216 FZUS51 KBOX 182305 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 705 PM EDT Mon May 18 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-191200- 705 PM EDT Mon May 18 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... Gusty SW winds will develop Tue. A strong cold front will cross the waters late Wed and Wed evening. Strong high pres builds over the Gt Lakes Thu and moves into the waters Fri. The high moves offshore by Sat as a frontal boundary approaches from the S. $$ ANZ250-191200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 705 PM EDT Mon May 18 2026 .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 3 ft at 9 seconds. Patchy fog after midnight. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers in the afternoon. .WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and N 3 ft at 5 seconds. .FRI...NE winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT THROUGH SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-191200- Massachusetts Bay and Ipswich Bay- 705 PM EDT Mon May 18 2026 .TONIGHT...S winds 10 to 15 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and W 1 foot at 2 seconds. Patchy fog after midnight. .TUE...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 4 seconds. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 9 seconds. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 9 seconds. Showers likely in the afternoon. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and S 1 foot at 4 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and NE 1 foot at 4 seconds. .FRI...E winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT AND SAT...SW winds 5 to 10 kt, becoming E. Seas around 2 ft, then 1 foot or less. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-191200- Cape Cod Bay- 705 PM EDT Mon May 18 2026 .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and NE 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas around 2 ft, building to 3 to 4 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 4 seconds, becoming SW 2 ft at 3 seconds and E 1 foot at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds. Patchy fog after midnight. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 10 seconds. Showers likely in the afternoon. .WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and N 2 ft at 3 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and S 1 foot at 6 seconds. .FRI...E winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-191200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 705 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING... .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt. Gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and W 2 ft at 4 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and W 2 ft at 4 seconds. A chance of showers. .THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. A chance of showers in the morning. .THU NIGHT...S winds around 5 kt, becoming NW around 5 kt after midnight. Seas 2 to 3 ft. .FRI...E winds around 5 kt. Seas 2 to 3 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 2 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ255-191200- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 705 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING... .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and NW 2 ft at 4 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: W 4 ft at 6 seconds and SE 2 ft at 9 seconds, becoming W 5 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .TUE NIGHT...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and E 1 foot at 10 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 6 seconds and E 1 foot at 9 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds and N 2 ft at 2 seconds. Showers likely. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and N 2 ft at 4 seconds. A chance of showers in the morning. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-191200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 705 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING... .TONIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less in the morning. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 7 seconds and E 2 ft at 10 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and N 2 ft at 3 seconds. A chance of showers. .THU...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and N 2 ft at 3 seconds. A chance of showers in the morning. .THU NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .SAT NIGHT...E winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ232-191200- Nantucket Sound- 705 PM EDT Mon May 18 2026 .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and N 2 ft at 2 seconds. A chance of showers. .THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SW 1 foot at 6 seconds. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt. Seas around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-191200- Vineyard Sound- 705 PM EDT Mon May 18 2026 .TONIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and E 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and E 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 5 seconds and E 1 foot at 8 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and E 1 foot at 8 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and NW 2 ft at 3 seconds. A chance of showers. .THU AND THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds and SW 3 ft at 7 seconds. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Seas around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ234-191200- Buzzards Bay- 705 PM EDT Mon May 18 2026 .TONIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 7 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and W 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 foot at 15 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and S 2 ft at 8 seconds. Patchy fog in the morning. Showers likely in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 2 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and SW 2 ft at 6 seconds. .FRI...E winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt. Seas around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-191200- Rhode Island Sound- 705 PM EDT Mon May 18 2026 .TONIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and E 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less in the morning. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 7 seconds and W 3 ft at 4 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SE 3 ft at 7 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in the morning. .WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and N 2 ft at 2 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ237-191200- Block Island Sound- 705 PM EDT Mon May 18 2026 .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and W 2 ft at 4 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 7 seconds and W 2 ft at 4 seconds. Showers likely in the afternoon. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 4 seconds. A chance of showers in the evening. .THU AND THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 9 seconds. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-191200- Boston Harbor- 705 PM EDT Mon May 18 2026 .TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Waves around 2 ft this evening, then 1 foot or less. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .WED...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely in the afternoon. .WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt. Waves around 2 ft. .FRI...E winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT AND SAT...SW winds 5 to 10 kt, becoming E. Waves 1 foot or less. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 foot or less. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-191200- Narragansett Bay- 705 PM EDT Mon May 18 2026 .TONIGHT...S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Patchy fog after midnight. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. Showers likely in the afternoon. .WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt. Waves around 2 ft. .FRI...E winds 5 to 10 kt. Waves around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-191200- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 705 PM EDT Mon May 18 2026 .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and SE 3 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt. Gusts up to 20 kt, increasing to 30 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds. A chance of showers in the afternoon. .WED NIGHT...W winds around 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 3 ft at 4 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: N 3 ft at 5 seconds and SW 2 ft at 7 seconds. .FRI AND FRI NIGHT...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT AND SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ281-191200- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 705 PM EDT Mon May 18 2026 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SE 3 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas around 6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 1 foot at 9 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 6 seconds and SE 1 foot at 9 seconds. Patchy fog. A chance of showers in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds and N 1 foot at 4 seconds. A chance of showers in the evening, then showers likely after midnight. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and N 3 ft at 5 seconds. A chance of showers in the morning. .THU NIGHT...S winds around 5 kt, becoming NW around 5 kt after midnight. Seas 2 to 4 ft. .FRI...NE winds around 5 kt. Seas 2 to 3 ft. .FRI NIGHT AND SAT...S winds 5 to 10 kt, becoming E. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-191200- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 705 PM EDT Mon May 18 2026 .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Wave Detail: SW 7 ft at 7 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds around 20 kt with gusts up to 25 kt. Seas around 6 ft. Wave Detail: W 6 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds and N 2 ft at 2 seconds. A chance of showers in the evening, then showers likely after midnight. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and N 2 ft at 4 seconds. Showers likely in the morning. .THU NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. .FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds around 5 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ283-191200- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 705 PM EDT Mon May 18 2026 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog this evening, then patchy dense fog after midnight. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less in the morning. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and SE 2 ft at 10 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds around 20 kt with gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 7 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and N 2 ft at 3 seconds. A chance of showers in the evening, then showers likely after midnight. .THU...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and N 2 ft at 4 seconds. Showers likely in the morning. .THU NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. .SAT NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston  161 FZAK51 PAJK 182316 CWFAJK Coastal Waters Forecast for Southeast Alaska National Weather Service Juneau AK 316 PM AKDT Mon May 18 2026 Southeast Alaska Inside Waters from Dixon Entrance to Skagway Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one-third of the combined windwave and swell height. PKZ098-191530- 316 PM AKDT Mon May 18 2026 .SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS... Winds and seas continue a diminishing trend over the eastern Gulf of Alaska on Tuesday, before building up again late Tuesday as a gale force system moves into the gulf, arriving in the panhandle on Wednesday. $$ PKZ011-191530- Glacier Bay- 316 PM AKDT Mon May 18 2026 .TONIGHT...S wind 15 kt. Seas 3 ft in the evening then 2 ft or less. .TUE...SE wind 10 kt. Seas 2 ft or less. .TUE NIGHT...SE wind 10 kt. Seas 2 ft or less. Patchy dense fog late. Rain late. .WED...SE wind 20 kt. Gusts to 35 kt. Seas 4 ft. Rain. .WED NIGHT...SE wind 15 kt. Seas 3 ft. Rain. .THU...S wind 15 kt. Seas 3 ft. .FRI...SE wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. $$ PKZ012-191530- Northern Lynn Canal- 316 PM AKDT Mon May 18 2026 .TONIGHT...S wind 20 kt, except 25 kt near Taiya Inlet. Gusts to 35 kt. Seas 4 ft. .TUE...S wind 20 kt. Seas 4 ft. .TUE NIGHT...S wind 20 kt. Gusts to 35 kt. Seas 4 ft. .WED...SE wind 25 kt. Seas 5 ft. Rain. .WED NIGHT...S wind 25 kt. Seas 5 ft. Rain. .THU...S wind 20 kt. Seas 3 ft. .FRI...S wind 15 kt. Seas 3 ft. .SAT...S wind 15 kt. Seas 3 ft. $$ PKZ013-191530- Southern Lynn Canal- 316 PM AKDT Mon May 18 2026 .TONIGHT...S wind 15 kt. Seas 3 ft. .TUE...SE wind 15 kt. Seas 3 ft. .TUE NIGHT...SE wind 15 kt. Seas 3 ft. .WED...SE wind 25 kt. Gusts to 40 kt, except 35 kt out of interior passes. Seas 5 ft. Rain. .WED NIGHT...SE wind 25 kt. Seas 5 ft. Rain. .THU...S wind 15 kt. Seas 3 ft. .FRI...S wind 15 kt. Seas 3 ft. .SAT...S wind 10 kt. Seas 2 ft or less. $$ PKZ021-191530- Icy Strait- 316 PM AKDT Mon May 18 2026 .TONIGHT...SW wind 15 kt becoming S late. Seas 3 ft in the evening then 2 ft or less. .TUE...SE wind 10 kt. Seas 2 ft or less. .TUE NIGHT...E wind 15 kt. Seas building to 3 ft late. .WED...E wind 25 kt. Seas 5 ft. Rain. .WED NIGHT...SE wind 20 kt. Seas 4 ft. Rain. .THU...SW wind 15 kt. Seas 3 ft. .FRI...SE wind 10 kt. Seas 2 ft or less. .SAT...S wind 15 kt. Seas 2 ft or less. $$ PKZ022-191530- Cross Sound- 316 PM AKDT Mon May 18 2026 .TONIGHT...SW wind 15 kt. Seas 7 ft. SW swell in the evening. .TUE...SE wind 10 kt. Seas 6 ft. .TUE NIGHT...E wind 15 kt. Seas 5 ft. Rain late. .WED...E wind 25 kt. Seas 8 ft. Rain. .WED NIGHT...E wind 20 kt. Seas 8 ft. Rain. .THU...SW wind 20 kt. Seas 8 ft. .FRI...W wind 10 kt. Seas 6 ft. .SAT...SW wind 15 kt. Seas 7 ft. $$ PKZ031-191530- Stephens Passage- 316 PM AKDT Mon May 18 2026 .TONIGHT...S wind 15 kt diminishing to 10 kt late. Seas 3 ft subsiding to 2 ft or less. .TUE...S wind 15 kt. Seas building to 3 ft in the afternoon. .TUE NIGHT...SE wind 20 kt. Seas 3 ft. .WED...SE wind 30 kt. Seas 6 ft. Rain. .WED NIGHT...SE wind 25 kt. Gusts to 40 kt. Seas 6 ft. Rain. .THU...S wind 10 kt. Seas 2 ft or less. .FRI...SE wind 15 kt. Seas 3 ft. .SAT...S wind 10 kt. Seas 2 ft or less. $$ PKZ032-191530- Northern Chatham Strait- 316 PM AKDT Mon May 18 2026 .TONIGHT...S wind 10 kt. Seas 2 ft or less. .TUE...S wind 15 kt. Seas 3 ft. .TUE NIGHT...SE wind 15 kt. Seas building to 3 ft late. .WED...SE wind 30 kt. Gusts to 45 kt. Seas 5 ft. Rain. .WED NIGHT...S wind 25 kt. Seas 5 ft. Rain. .THU...SW wind 10 kt. Seas 2 ft or less. .FRI...S wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. $$ PKZ033-191530- Southern Chatham Strait- 316 PM AKDT Mon May 18 2026 .TONIGHT...W wind 10 kt in the evening becoming light, except 20 kt near ocean entrances. Seas 2 ft or less, except 8 ft near ocean entrances. .TUE...S wind 15 kt. Seas 3 ft, except 6 ft near ocean entrances. .TUE NIGHT...S wind 15 kt. Seas 3 ft, except 6 ft near ocean entrances. .WED...SE wind 30 kt. Seas 6 ft, except 11 ft near ocean entrances. Rain. .WED NIGHT...S wind 25 kt. Seas 7 ft, except 12 ft near ocean entrances. Rain. .THU...SW wind 10 kt. Seas 2 ft or less. .FRI...S wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. $$ PKZ034-191530- Frederick Sound- 316 PM AKDT Mon May 18 2026 .TONIGHT...SW wind 10 kt. Seas 2 ft or less, except 5 ft near ocean entrances. .TUE...S wind 10 kt. Seas 2 ft or less. .TUE NIGHT...SE wind 10 kt. Seas building to 3 ft late. .WED...SE wind 25 kt. Seas 5 ft. Rain. .WED NIGHT...S wind 25 kt. Gusts to 40 kt out of interior passes. Seas 5 ft. Rain. .THU...SW wind 10 kt. Seas 2 ft or less. .FRI...S wind 15 kt. Seas 3 ft. .SAT...S wind 10 kt. Seas 2 ft or less. $$ PKZ035-191530- Sumner Strait- 316 PM AKDT Mon May 18 2026 .TONIGHT...W wind 10 kt, except 20 kt near ocean entrances. Seas 3 ft early in the evening then 2 ft or less. Near ocean entrances, seas 6 ft. .TUE...S wind 10 kt. Seas 2 ft or less. .TUE NIGHT...S wind 10 kt. Seas 2 ft or less. .WED...SE wind 20 kt. Gusts to 35 kt. Seas 4 ft, except 7 ft near ocean entrances. Rain. .WED NIGHT...S wind 25 kt. Seas 5 ft, except 8 ft near ocean entrances. .THU...SW wind 10 kt. Seas 2 ft or less. .FRI...S wind 10 kt. Seas 2 ft or less. .SAT...SW wind 10 kt. Seas 2 ft or less. $$ PKZ036-191530- Clarence Strait- 316 PM AKDT Mon May 18 2026 .TONIGHT...W wind 10 kt. Seas 3 ft in the evening then 2 ft or less. Near ocean entrances, seas 6 ft. .TUE...Light winds becoming variable 10 kt in the afternoon. Seas 2 ft or less, except 4 ft near ocean entrances. .TUE NIGHT...W wind 10 kt becoming SE late. Seas 2 ft or less. .WED...SE wind 25 kt. Seas 8 ft. Rain. .WED NIGHT...S wind 25 kt. Seas 9 ft. Rain. .THU...W wind 10 kt. Seas 2 ft or less. .FRI...S wind 15 kt. Seas 3 ft. .SAT...S wind 15 kt. Seas 3 ft. $$  143 FZAK52 PAJK 182316 CWFAEG Coastal Waters Forecast for Southeast Alaska National Weather Service Juneau AK 316 PM AKDT Mon May 18 2026 Southeast Alaska Coastal Waters from Dixon Entrance to Cape Suckling out 100 NM Wind forecasts reflect the predominant speed and direction expected. Seas forecasts represent the average of the highest one-third of the combined windwave and swell height. PKZ099-191730- 316 PM AKDT Mon May 18 2026 .SYNOPSIS FOR OUTSIDE WATERS... Winds and seas continue a diminishing trend over the eastern Gulf of Alaska on Tuesday, before building up again late Tuesday as a gale force system moves into the gulf, arriving in the panhandle on Wednesday. $$ PKZ641-191730- Dixon Entrance to Cape Decision out to 15 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TONIGHT...W wind 10 kt. Seas 8 ft. W swell. .TUE...Light winds becoming S 10 kt in the afternoon. Seas 7 ft. W swell in the morning. .TUE NIGHT...S wind 15 kt. Seas 7 ft. .WED...SE wind 25 kt. Seas 12 ft. Rain. .WED NIGHT...W wind 25 kt. Seas 13 ft. .THU...W wind 15 kt. Seas 9 ft. .FRI...W wind 15 kt. Seas 7 ft. .SAT...W wind 20 kt. Seas 9 ft. $$ PKZ661-191730- Dixon Entrance to Cape Decision from 15 to 90 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TONIGHT...W wind 10 kt. Seas 8 ft. W swell. .TUE...SW wind 15 kt. Seas 7 ft. W swell in the morning. .TUE NIGHT...S wind 20 kt. Seas 8 ft. .WED...S wind 30 kt. Seas 14 ft. Rain. .WED NIGHT...W wind 25 kt. Seas 13 ft. .THU...W wind 15 kt. Seas 9 ft. .FRI...W wind 20 kt. Seas 8 ft. .SAT...W wind 20 kt. Seas 10 ft. $$ PKZ642-191730- Cape Decision to Cape Edgecumbe out to 15 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TONIGHT...W wind 10 kt. Seas 8 ft. W swell. .TUE...S wind 10 kt. Seas 7 ft. W swell in the morning. .TUE NIGHT...S wind 15 kt. Seas 7 ft. Rain late. .WED...SE gale to 35 kt. Seas 13 ft. Rain. .WED NIGHT...W wind 25 kt. Seas 13 ft. Rain. .THU...W wind 15 kt. Seas 9 ft. .FRI...W wind 10 kt. Seas 7 ft. .SAT...W wind 15 kt. Seas 9 ft. $$ PKZ662-191730- Cape Decision to Cape Edgecumbe from 15 to 80 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TONIGHT...SW wind 15 kt. Seas 8 ft. W swell. .TUE...S wind 15 kt. Seas 7 ft. W swell in the morning. .TUE NIGHT...S wind 20 kt. Seas 8 ft. Rain late. .WED...SE gale to 35 kt. Seas 15 ft. Rain. .WED NIGHT...W wind 25 kt. Seas 13 ft. .THU...W wind 15 kt. Seas 9 ft. .FRI...W wind 15 kt. Seas 9 ft. .SAT...W wind 20 kt. Seas 10 ft. $$ PKZ643-191730- Cape Edgecumbe to Cape Spencer out to 15 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TONIGHT...SW wind 10 kt. Seas 8 ft. .TUE...S wind 10 kt. Seas 6 ft. .TUE NIGHT...SE wind 15 kt. Seas 7 ft. Rain late. .WED...SE gale to 35 kt. Seas 14 ft. Rain. .WED NIGHT...SW wind 25 kt. Seas 12 ft. .THU...W wind 15 kt. Seas 9 ft. .FRI...SW wind 10 kt. Seas 7 ft. .SAT...W wind 10 kt. Seas 8 ft. $$ PKZ663-191730- Cape Edgecumbe to Cape Spencer from 15 to 80 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TONIGHT...SW wind 10 kt becoming S late. Seas 8 ft. .TUE...S wind 15 kt. Seas 7 ft. .TUE NIGHT...S wind 25 kt. Seas 8 ft. Rain late. .WED...SE gale to 35 kt. Seas 14 ft. Rain. .WED NIGHT...W wind 25 kt. Seas 12 ft. .THU...W wind 15 kt. Seas 9 ft. .FRI...SW wind 15 kt. Seas 8 ft. .SAT...W wind 15 kt. Seas 9 ft. $$ PKZ644-191730- Cape Spencer to Cape Fairweather out to 15 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TONIGHT...W wind 10 kt becoming SE late. Seas 8 ft subsiding. .TUE...SE wind 20 kt. Seas 7 ft. .TUE NIGHT...SE wind 25 kt. Seas 8 ft. Rain late. .WED...E gale to 35 kt. Seas 13 ft. Rain. .WED NIGHT...E wind 30 kt. Seas 12 ft. Rain. .THU...W wind 15 kt. Seas 9 ft. .FRI...SW wind 10 kt. Seas 7 ft. .SAT...W wind 10 kt. Seas 8 ft. $$ PKZ664-191730- Cape Spencer to Cape Fairweather from 15 to 85 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TONIGHT...S wind 15 kt. Seas 8 ft. .TUE...S wind 15 kt. Seas 7 ft. .TUE NIGHT...SE wind 25 kt. Seas 8 ft. Rain late. .WED...SE gale to 40 kt. Seas 15 ft. Rain. .WED NIGHT...W wind 25 kt. Seas 12 ft. .THU...W wind 15 kt. Seas 9 ft. .FRI...SW wind 15 kt. Seas 8 ft. .SAT...W wind 15 kt. Seas 8 ft. $$ PKZ651-191730- Cape Fairweather to Icy Cape out to 15 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...S wind 10 kt becoming E 25 kt late. Seas 8 ft. SW swell in the evening. .TUE...E wind 25 kt. Seas 8 ft. Rain in the afternoon. .TUE NIGHT...E wind 30 kt. Seas 9 ft. Rain. .WED...E gale to 35 kt. Seas 14 ft. Rain. .WED NIGHT...NW wind 25 kt. Seas 11 ft. .THU...SW wind 15 kt. Seas 8 ft. .FRI...E wind 20 kt. Seas 8 ft. .SAT...SE wind 15 kt. Seas 8 ft. $$ PKZ671-191730- Cape Fairweather to Icy Cape from 15 to 80 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TONIGHT...S wind 10 kt becoming SE late. Seas 8 ft. SW swell in the evening. .TUE...SE wind 20 kt. Seas 7 ft. Rain in the afternoon. .TUE NIGHT...SE wind 25 kt. Seas 9 ft. Rain. .WED...SE gale to 40 kt. Seas 15 ft. Rain. .WED NIGHT...W wind 20 kt. Seas 12 ft. .THU...W wind 15 kt. Seas 9 ft. .FRI...W wind 15 kt. Seas 8 ft. .SAT...W wind 15 kt. Seas 8 ft. $$ PKZ652-191730- Icy Cape to Cape Suckling out to 15 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...E wind 20 kt. Seas 8 ft subsiding. SW swell in the evening. .TUE...E wind 30 kt. Seas building to 10 ft. Rain showers in the morning, then rain in the afternoon. .TUE NIGHT...E gale to 35 kt. Seas 12 ft. Rain. .WED...E gale to 35 kt. Seas 15 ft. Rain. .WED NIGHT...W wind 25 kt. Seas 12 ft. Rain. .THU...S wind 20 kt. Seas 8 ft. .FRI...SE wind 25 kt. Seas 8 ft. .SAT...SE wind 15 kt. Seas 7 ft. $$ PKZ672-191730- Icy Cape to Cape Suckling from 15 to 80 NM- 316 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...SE wind 15 kt increasing to 25 kt late. Seas 8 ft subsiding. SW swell in the evening. .TUE...SE wind 25 kt. Seas building to 9 ft. Rain in the afternoon. .TUE NIGHT...SE wind 30 kt. Seas 11 ft. Rain. .WED...E gale to 35 kt. Seas 15 ft. Rain. .WED NIGHT...W wind 25 kt. Seas 12 ft. .THU...S wind 15 kt. Seas 9 ft. .FRI...SW wind 20 kt. Seas 9 ft. .SAT...SE wind 15 kt. Seas 8 ft. $$  138 FZAK53 PAJK 182316 CWFYAK Marine Forecast for Yakutat Bay National Weather Service Juneau AK 316 PM AKDT Mon May 18 2026 Coastal Waters Forecast for Yakutat Bay Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one-third of the combined windwave and swell height. PKZ053-191730- Yakutat Bay- 316 PM AKDT Mon May 18 2026 .TONIGHT...Light winds becoming E 15 kt late. Seas 7 ft. SW swell in the evening. .TUE...E wind 20 kt. Seas 6 ft. Rain in the afternoon. .TUE NIGHT...E wind 25 kt. Seas 7 ft. Rain. .WED...E wind 25 kt. Seas 10 ft. Rain. .WED NIGHT...W wind 15 kt. Seas 9 ft. Rain. .THU...SW wind 10 kt. Seas 7 ft. .FRI...E wind 15 kt. Seas 7 ft. .SAT...SE wind 10 kt. Seas 7 ft. $$  926 FZUS52 KTBW 182329 CWFTBW Coastal Waters Forecast for Florida National Weather Service Tampa Bay Ruskin FL 729 PM EDT Mon May 18 2026 Gulf coastal waters from Bonita Beach to the mouth of the Suwannee River out to 60 NM. Important notice to mariners...marine forecasts are issued at least four times a day. Boaters on extended trips should routinely monitor subsequent forecast issuances and updates for the latest marine weather information. The wave heights are forecast as significant wave height which is the average of the highest one-third of the waves. The highest waves may rarely be twice the significant wave height. The winds and seas near thunderstorms may be higher than forecast. GMZ800-191215- Synopsis for the coastal waters from Bonita Beach to Suwannee River- 729 PM EDT Mon May 18 2026 .SYNOPSIS... Winds will be mainly out of the east for much of the week around 5 to 15 knots with winds shifting southeast on Friday. Our main concern to boaters will be afternoon and evening storms that push off of land and and into the Gulf. Some of these storms could cause frequent lightning and strong winds. $$ GMZ830-191215- Tampa Bay waters- 729 PM EDT Mon May 18 2026 .REST OF TONIGHT...Southeast winds around 10 knots, becoming east late this evening and overnight. Bay and inland waters a moderate chop. A chance of showers and thunderstorms early this evening, then a slight chance of showers and thunderstorms late this evening. .TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Bay and inland waters a moderate chop. Showers likely with a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Bay and inland waters a moderate chop. Showers likely with a chance of thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ836-191215- Charlotte Harbor and Pine Island Sound- 729 PM EDT Mon May 18 2026 .REST OF TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots. Bay and inland waters a moderate chop. A chance of showers and thunderstorms early this evening, then a slight chance of showers and thunderstorms late this evening. .TUESDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay and inland waters a moderate chop. Showers likely with a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. Showers likely with a chance of thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay and inland waters light chop. Showers likely with a chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters light chop. A chance of thunderstorms in the evening. A slight chance of showers. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A chance of showers and thunderstorms in the evening. .FRIDAY...East winds 5 to 10 knots, becoming south in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming east after midnight. Bay and inland waters light chop. A slight chance of thunderstorms. A chance of showers, mainly in the evening. .SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Bay and inland waters light chop. A chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ GMZ856-191215- Coastal waters from Bonita Beach to Englewood FL out 20 NM- 729 PM EDT Mon May 18 2026 .REST OF TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms this evening. .TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 4 seconds, becoming southeast 1 foot at 4 seconds. Bay and inland waters a moderate chop. Showers likely with a chance of thunderstorms in the evening. .WEDNESDAY...East winds around 10 knots, becoming south in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .FRIDAY...East winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...South winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms. .SATURDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ876-191215- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 729 PM EDT Mon May 18 2026 .REST OF TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms this evening. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. .THURSDAY NIGHT...Northeast winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...East winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ853-191215- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- 729 PM EDT Mon May 18 2026 .REST OF TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A chance of showers with a slight chance of thunderstorms early this evening, then a slight chance of showers and thunderstorms late this evening. .TUESDAY...East winds 10 to 15 knots, becoming north 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming northwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters light chop. A slight chance of thunderstorms in the evening. A slight chance of showers. .THURSDAY...East winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters light chop. .THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. .SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ873-191215- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- 729 PM EDT Mon May 18 2026 .REST OF TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms early this evening. .TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TUESDAY NIGHT...Northeast winds around 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds and northeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at 5 seconds. .THURSDAY...East winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. .THURSDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...North winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ850-191215- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- 729 PM EDT Mon May 18 2026 .REST OF TONIGHT...North winds 5 to 10 knots, becoming east 10 to 15 knots with gusts up to 20 knots late this evening and overnight. Seas 1 foot or less, then 1 to 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters a moderate chop. A slight chance of showers and thunderstorms early this evening. .TUESDAY...East winds 10 to 15 knots, becoming northwest 5 to 10 knots in the afternoon. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. Bay and inland waters a moderate chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers and thunderstorms in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the evening. .THURSDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds. Bay and inland waters light chop. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. .FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. .FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Bay and inland waters light chop. .SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Bay and inland waters light chop. A slight chance of showers and thunderstorms in the afternoon. Winds and seas higher in and near thunderstorms. $$ GMZ870-191215- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- 729 PM EDT Mon May 18 2026 .REST OF TONIGHT...North winds 5 to 10 knots, becoming east 10 to 15 knots late this evening and overnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds and south 1 foot at 5 seconds. A slight chance of showers in the evening. .WEDNESDAY...East winds 5 to 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds and south 1 foot at 6 seconds. .WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and south 1 foot at 5 seconds. .THURSDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and south 1 foot at 5 seconds. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. .FRIDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. .FRIDAY NIGHT...Northwest winds around 5 knots, becoming east after midnight. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. $$  131 FZAK51 PAFG 182348 CWFNSB Coastal Waters Forecast for Arctic Alaska National Weather Service Fairbanks AK 348 PM AKDT Mon May 18 2026 Arctic Alaska Coastal Waters out 100 NM Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one- third of the combined wind-wave and swell height. PKZ811-191400- Cape Thompson to Cape Beaufort out to 15 NM- 348 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TONIGHT...E winds 15 kt. Seas 5 ft subsiding. .TUE...NE winds 10 kt. Seas 3 ft. .TUE NIGHT...NE winds 15 kt. Seas 3 ft. .WED...SE winds 10 kt. Seas 3 ft. .WED NIGHT...NE winds 5 kt. Seas 2 ft. .THU...NE winds 10 kt. Seas 3 ft. .THU NIGHT...NE winds 15 kt. Seas 5 ft. .FRI...NE winds 15 kt. Seas 6 ft. .SAT...NE winds 15 kt. Seas 3 ft. $$ PKZ812-191400- Cape Beaufort to Point Franklin out to 15 NM- 348 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...E winds 25 kt. Seas 5 ft subsiding. Moderate freezing spray. .TUE...E winds 20 kt. Seas 4 ft. Moderate freezing spray. .TUE NIGHT...E winds 20 kt. Seas 4 ft. Moderate freezing spray. .WED...E winds 20 kt. Seas 4 ft. Moderate freezing spray. .WED NIGHT...E winds 15 kt. Seas 3 ft. Light freezing spray. .THU...E winds 15 kt. Seas 3 ft. Light freezing spray. .THU NIGHT...E winds 20 kt. Seas 4 ft. Light freezing spray. .FRI...E winds 20 kt. Seas 4 ft. .SAT...NE winds 15 kt. Seas 4 ft. $$ PKZ813-191400- Point Franklin to Cape Halkett out to 15 NM- 348 PM AKDT Mon May 18 2026 .TONIGHT...E winds 20 kt. .TUE...E winds 20 kt. .TUE NIGHT...E winds 20 kt. .WED...E winds 20 kt. .WED NIGHT...E winds 20 kt. .THU...E winds 15 kt. .THU NIGHT...E winds 20 kt. .FRI...E winds 15 kt. .SAT...E winds 15 kt. $$ PKZ814-191400- Cape Halkett to Flaxman Island out to 15 NM- 348 PM AKDT Mon May 18 2026 ...BRISK WIND ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... .TONIGHT...E winds 20 kt. .TUE...E winds 25 kt. .TUE NIGHT...E winds 25 kt. .WED...E winds 20 kt. .WED NIGHT...E winds 15 kt. .THU...E winds 20 kt. .THU NIGHT...E winds 20 kt. .FRI...E winds 25 kt. .SAT...E winds 15 kt. $$ PKZ815-191400- Flaxman Island to Demarcation Point out to 15 NM- 348 PM AKDT Mon May 18 2026 ...BRISK WIND ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... .TONIGHT...E winds 20 kt. Fog. .TUE...E winds 25 kt. .TUE NIGHT...E winds 20 kt. .WED...E winds 15 kt. .WED NIGHT...E winds 15 kt. .THU...E winds 15 kt. .THU NIGHT...E winds 20 kt. .FRI...E winds 20 kt. .SAT...E winds 15 kt. $$ PKZ857-191400- Cape Thompson to Cape Beaufort from 15 to 85 NM- 348 PM AKDT Mon May 18 2026 ...BRISK WIND ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TONIGHT...NE winds 20 kt. .TUE...NE winds 15 kt. .TUE NIGHT...NE winds 15 kt. .WED...E winds 15 kt. .WED NIGHT...E winds 10 kt. .THU...NE winds 10 kt. .THU NIGHT...NE winds 15 kt. .FRI...NE winds 15 kt. .SAT...NE winds 10 kt. $$ PKZ858-191400- Cape Beaufort to Point Franklin from 15 to 85 NM- 348 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...E winds 25 kt. Seas 6 ft. Moderate freezing spray. .TUE...E winds 20 kt. Seas 5 ft. Moderate freezing spray. .TUE NIGHT...E winds 20 kt. Seas 4 ft. Moderate freezing spray. .WED...E winds 20 kt. Seas 4 ft. Moderate freezing spray. .WED NIGHT...E winds 20 kt. Seas 4 ft. Moderate freezing spray. .THU...E winds 15 kt. Seas 4 ft. Light freezing spray. .THU NIGHT...E winds 20 kt. Seas 5 ft. Light freezing spray. .FRI...E winds 20 kt. Seas 5 ft. .SAT...NE winds 15 kt. Seas 4 ft. $$ PKZ859-191400- Point Franklin to Cape Halkett from 15 to 75 NM- 348 PM AKDT Mon May 18 2026 .TONIGHT...E winds 15 kt. .TUE...E winds 15 kt. .TUE NIGHT...E winds 15 kt. .WED...E winds 15 kt. .WED NIGHT...E winds 15 kt. .THU...E winds 15 kt. .THU NIGHT...E winds 15 kt. .FRI...E winds 15 kt. .SAT...E winds 10 kt. $$ PKZ860-191400- Cape Halkett to Flaxman Island from 15 to 80 NM- 348 PM AKDT Mon May 18 2026 ...BRISK WIND ADVISORY IN EFFECT TUESDAY AFTERNOON... .TONIGHT...E winds 15 kt. .TUE...E winds 25 kt. .TUE NIGHT...E winds 20 kt. .WED...E winds 20 kt. .WED NIGHT...E winds 15 kt. .THU...E winds 15 kt. .THU NIGHT...E winds 20 kt. .FRI...E winds 20 kt. .SAT...E winds 15 kt. $$ PKZ861-191400- Flaxman Island to Demarcation Point from 15 to 75 NM- 348 PM AKDT Mon May 18 2026 .TONIGHT...E winds 15 kt. .TUE...E winds 15 kt. .TUE NIGHT...E winds 20 kt. .WED...E winds 15 kt. .WED NIGHT...E winds 15 kt. .THU...E winds 15 kt. .THU NIGHT...E winds 15 kt. .FRI...E winds 15 kt. .SAT...E winds 15 kt. $$ May 26  714 FZUS51 KLWX 182359 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 759 PM EDT Mon May 18 2026 Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. ANZ500-190800- 759 PM EDT Mon May 18 2026 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will continue to strengthen offshore today through Tuesday leading to increased south to southwesterly flow. Expect Small Craft Advisories for channeling this afternoon and again Tuesday afternoon. Winds will subside during the late evening and overnight periods. Additional Small Craft Advisories will be needed Wednesday into Thursday as a cold front crosses the waters. The front will bring scattered to numerous showers and thunderstorms Wednesday afternoon and evening. Special Marine Warnings may be needed for stronger thunderstorms during this time. $$ ANZ535-190800- Tidal Potomac from Key Bridge to Indian Head- 759 PM EDT Mon May 18 2026 .TONIGHT...S winds 5 kt. Waves less than 1 ft. .TUE...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .TUE NIGHT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers. .THU...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .THU NIGHT...E winds around 5 kt. Waves 1 ft. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-190800- Tidal Potomac from Indian Head to Cobb Island- 759 PM EDT Mon May 18 2026 .TONIGHT...S winds 10 kt. Waves 1 ft. .TUE...SW winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers. .THU...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .THU NIGHT...NE winds around 5 kt. Waves 1 ft. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-190800- Tidal Potomac from Cobb Island to Smith Point- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE...S winds 5 to 10 kt. Waves 1 to 2 ft. .TUE NIGHT...S winds 10 to 15 kt. Waves 2 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .FRI...E winds 10 to 15 kt. Waves 2 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely . Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-190800- Chesapeake Bay north of Pooles Island- 759 PM EDT Mon May 18 2026 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt until early morning. Waves 1 ft. .TUE...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .TUE NIGHT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms. .WED NIGHT...N winds 10 to 15 kt. Waves 1 ft. Showers. .THU...N winds 10 to 15 kt...becoming NE around 5 kt in the afternoon. Waves 1 ft. A chance of showers. .THU NIGHT...E winds around 5 kt. Waves flat. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the morning, then showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-190800- Chesapeake Bay from Pooles Island to Sandy Point- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms. .WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers likely. .THU NIGHT...E winds around 5 kt. Waves 1 ft or less. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-190800- Patapsco River including Baltimore Harbor- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .TUE...SW winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers. .THU...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .THU NIGHT...E winds around 5 kt. Waves flat. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-190800- Chester River to Queenstown MD- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...NW winds 5 kt...becoming N 10 to 15 kt after midnight. Waves 1 ft. Showers. .THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 1 to 2 ft. Showers likely. .THU NIGHT...E winds around 5 kt. Waves flat. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-190800- Chesapeake Bay from Sandy Point to North Beach- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft...subsiding to 1 ft late. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves 1 to 2 ft. Showers. .THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-190800- Eastern Bay- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves 1 ft. Showers. .THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .THU NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-190800- Chesapeake Bay from North Beach to Drum Point- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft...subsiding to 1 ft late. .TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE NIGHT...S winds 10 to 15 kt...becoming SW late. Gusts up to 20 kt. Waves 2 ft. .WED...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and tstms. .WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers likely. .THU...N winds 15 to 20 kt. Waves 2 to 3 ft. Showers likely. .THU NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 to 2 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-190800- Choptank River to Cambridge MD and the Little Choptank River- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Showers likely. .THU NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-190800- Patuxent River to Broomes Island MD- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 10 kt. Waves 1 ft. .TUE...SW winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely. .THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers likely. .THU NIGHT...E winds around 5 kt. Waves 1 ft. A chance of showers. .FRI...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-190800- Chesapeake Bay from Drum Point to Smith Point- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. .WED NIGHT...SE winds 10 to 15 kt...becoming N after midnight. Gusts up to 20 kt. Waves 2 ft. Showers likely with a chance of tstms. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely. .THU NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI...E winds 10 to 15 kt. Waves 2 ft. Showers likely. .SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-190800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 759 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY... .TONIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft. .TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of showers. .WED NIGHT...SE winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 to 2 ft. Showers likely. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI...E winds 10 to 15 kt. Waves 1 ft. Showers likely. .SAT...SE winds 10 kt. Waves 1 ft. Showers likely. $$