FZUS51 KBOX 231705 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 105 PM EDT Sun Aug 23 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-240600- 105 PM EDT Sun Aug 23 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak low pres continues moving N over the eastern waters today. Periods of showers possible. High pres moves in tonight into Mon. This high pres should remain over the waters through Wed. Potential for low pres to return late week with showers possible. $$ ANZ250-240600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds and N 1 foot at 4 seconds. Patchy fog. Showers with isolated tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .MON...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 4 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 3 seconds. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and W 1 foot at 3 seconds. .TUE NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-240600- Massachusetts Bay and Ipswich Bay- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...E winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds and N 1 foot at 4 seconds. Patchy fog. Showers with isolated tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. Vsby 1 to 3 NM. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 foot at 2 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 7 seconds. .TUE AND TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and W 1 foot at 2 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds and SE 2 ft at 3 seconds. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ231-240600- Cape Cod Bay- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and N 1 foot at 4 seconds. Patchy fog. Showers with isolated tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and N 1 foot at 5 seconds. Patchy fog after midnight. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 1 foot at 2 seconds and NE 1 foot at 4 seconds. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 7 seconds. .TUE AND TUE NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and W 1 foot at 2 seconds. .WED THROUGH THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 13 seconds. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-240600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 7 seconds. Patchy fog. A chance of showers with isolated tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TONIGHT...S winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM. .MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM. .TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 4 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 2 ft at 4 seconds. .THU NIGHT...S winds around 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ255-240600- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and NW 1 foot at 4 seconds. Showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 9 seconds. Patchy fog after midnight. .MON...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and W 3 ft at 3 seconds. .MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 4 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at 6 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 10 seconds. .THU NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-240600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and NW 1 foot at 4 seconds. A slight chance of showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 7 seconds and SE 2 ft at 12 seconds. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and W 1 foot at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. Wave Detail: S 3 ft at 6 seconds and SE 2 ft at 11 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and W 3 ft at 4 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and NE 3 ft at 6 seconds. .THU NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ232-240600- Nantucket Sound- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and NW 1 foot at 4 seconds. Showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 5 seconds. Patchy fog after midnight. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and W 1 foot at 3 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and W 2 ft at 3 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SW 2 ft at 4 seconds. .THU NIGHT...S winds around 10 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-240600- Vineyard Sound- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 1 foot at 4 seconds and S 1 foot at 4 seconds. Showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SW 1 foot at 2 seconds. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and W 2 ft at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and SW 2 ft at 4 seconds. .TUE AND TUE NIGHT...W 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 SW 3 ft at 4 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 6 seconds. .THU NIGHT...S winds around 10 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ234-240600- Buzzards Bay- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 4 seconds and S 1 foot at 4 seconds. Showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 5 to 10 kt with gustsup to 20 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 5 seconds. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SW 2 ft at 5 seconds. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 7 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SW 3 ft at 5 seconds. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and SW 2 ft at 5 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-240600- Rhode Island Sound- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and NW 1 foot at 4 seconds. Showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 9 seconds. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .TUE AND TUE NIGHT...W 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 W 2 ft at 4 seconds. .WED THROUGH THU...S 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 2 ft at 5 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ237-240600- Block Island Sound- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 1 foot at 4 seconds and S 1 foot at 4 seconds. A slight chance of showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and W 1 foot at 3 seconds. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-240600- Boston Harbor- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...E winds around 5 kt. Waves 1 foot orless. Patchy fog. Showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...S winds around 5 kt. Waves around 2 ft in the evening, then 1 foot or less. Patchy fog after midnight. .MON...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .TUE AND TUE NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...S winds 10 to 15 kt. Waves around 2 ft. A chance of showers. Winds and waves higher in and near tstms. 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. $$ ANZ236-240600- Narragansett Bay- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...S winds 5 to 10 kt. Waves around 2 ft. Showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. .WED THROUGH THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-240600- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and S 1 foot at 4 seconds. Patchy fog. A chance of showers with isolated tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 4 seconds. Patchy fog. Vsby 1 NM or less. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM. .TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds. .WED THROUGH THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and E 2 ft at 3 seconds. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ281-240600- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...S winds around 10 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 7 seconds. Patchy fog. A chance of showers with isolated tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and N 1 foot at 4 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 NM or less. .MON...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and W 2 ft at 4 seconds. Patchy fog in the morning. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 5 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds around 10 kt. Seas around 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-240600- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...SW winds around 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 12 seconds. Showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds and SE 3 ft at 8 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM. .MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and SE 2 ft at 11 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 6 seconds and SE 2 ft at 11 seconds. Patchy fog. Vsby 1 to 3 NM. .TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and W 4 ft at 5 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SE 3 ft at 10 seconds. .THU NIGHT...SE winds around 10 kt. Seas 3 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. 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. $$ ANZ283-240600- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 105 PM EDT Sun Aug 23 2026 .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 6 seconds. A slight chance of showers with isolated tstms. Some tstms may produce heavy rainfall. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 3 ft at 9 seconds. .MON...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 3 ft at 10 seconds. .MON NIGHT...SW winds around 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 6 seconds and W 2 ft at 4 seconds. .TUE AND TUE NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SW 4 ft at 6 seconds. .WED THROUGH THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and SE 3 ft at 9 seconds. .THU NIGHT...SE winds around 10 kt. Seas around 3 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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