@ FZUS51 KBOX 190505 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 105 AM EDT Tue May 19 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-191800- 105 AM EDT Tue May 19 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. $$ ANZ250-191800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 4 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 4 seconds and SE 2 ft at 9 seconds. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 3 ft at 9 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers in the afternoon. .WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and N 3 ft at 5 seconds. .FRI...NE winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT THROUGH SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-191800- Massachusetts Bay and Ipswich Bay- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 4 seconds. Patchy fog. Vsby 1 to 3 NM. .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. A chance of showers 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. $$ ANZ231-191800- Cape Cod Bay- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas around 2 ft, building to 3 to 4 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 4 seconds, becoming SW 2 ft at 3 seconds and E 1 foot at 4 seconds. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 9 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 10 seconds. Showers likely in the afternoon. .WED NIGHT...W winds 10 to 15 kt, becoming NW after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and N 2 ft at 3 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and S 1 foot at 6 seconds. .FRI...E winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-191800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 105 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...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. 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 in the morning with vsby 1 NM or less. .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 after midnight with 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. A chance of showers in the afternoon. Vsby 1 NM or less. .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. $$ ANZ255-191800- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 105 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy dense fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and E 1 foot at 10 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and E 1 foot at 9 seconds. Patchy fog. Vsby 1 NM or less. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds and N 2 ft at 2 seconds. Showers likely. Patchy fog in the evening with vsby 1 NM or less. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and N 2 ft at 4 seconds. A chance of showers in the morning. .THU NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-191800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 105 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 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 3 to 5 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 NM or less. .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 after midnight with 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. A chance of showers in the afternoon. 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. .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. $$ ANZ232-191800- Nantucket Sound- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and NE 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and N 2 ft at 2 seconds. A chance of showers. .THU AND THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SW 1 foot at 6 seconds. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt. Seas around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-191800- Vineyard Sound- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and NE 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 after midnight with 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 NM or less 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. $$ ANZ234-191800- Buzzards Bay- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and NE 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and W 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds and SE 1 foot at 15 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and S 2 ft at 8 seconds. Patchy fog in the morning. Showers likely in the afternoon. Vsby 1 NM or less in the morning. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 2 seconds. A chance of showers in the evening. .THU AND THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and SW 2 ft at 6 seconds. .FRI...E winds 5 to 10 kt. Seas 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt. Seas around 2 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-191800- Rhode Island Sound- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and NE 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 4 ft at 6 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 4 to 6 ft. Wave Detail: SE 6 ft at 7 seconds and W 3 ft at 4 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 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 NM or less 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. $$ ANZ237-191800- Block Island Sound- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and W 2 ft at 4 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 7 seconds and W 2 ft at 4 seconds. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 4 seconds. A chance of showers in the evening. .THU AND THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 9 seconds. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-191800- Boston Harbor- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds around 10 kt. Waves 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. A chance of showers in the evening. .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. Showers likely 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. $$ ANZ236-191800- Narragansett Bay- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds around 10 kt. Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. Showers likely in the afternoon. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Waves 2 to 3 ft. Showers likely in the evening. .THU AND THU NIGHT...NW winds 10 to 15 kt. Waves around 2 ft. .FRI...E winds 5 to 10 kt. Waves around 2 ft. .FRI NIGHT...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SAT AND SAT NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-191800- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 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. 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 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. Patchy fog in the morning. A chance of showers in the afternoon. Vsby 1 NM or less in the morning. .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. $$ ANZ281-191800- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy dense fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 1 foot at 9 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds around 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 6 seconds and SE 1 foot at 9 seconds. Patchy fog. A chance of showers in the afternoon. Vsby 1 NM or less. .WED NIGHT...W winds 15 to 20 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds and N 1 foot at 4 seconds. A chance of showers in the evening, then showers likely after midnight. Patchy fog in the evening with vsby 1 NM or less. .THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and N 3 ft at 5 seconds. A chance of showers in the morning. .THU NIGHT...S winds around 5 kt, becoming NW around 5 kt after midnight. Seas 2 to 4 ft. .FRI...NE winds around 5 kt. Seas 2 to 3 ft. .FRI NIGHT AND SAT...S winds 5 to 10 kt, becoming E. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-191800- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas around 4 ft. Wave Detail: W 4 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy dense 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 in the morning with vsby 1 NM or less. .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 after midnight with 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. .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. Patchy fog in the evening with vsby 1 NM or less. .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. $$ ANZ283-191800- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 105 AM EDT Tue May 19 2026 .REST OF TONIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas around 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 NM or less. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: W 7 ft at 6 seconds and SE 2 ft at 10 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds around 20 kt with gusts up to 30 kt. Seas around 6 ft. Wave Detail: W 6 ft at 7 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, becoming NW 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and N 2 ft at 3 seconds. A chance of showers in the evening, then showers likely after midnight. Patchy fog in the evening with vsby 1 NM or less. .THU...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and N 2 ft at 4 seconds. Showers likely in the morning. .THU NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. .SAT NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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