Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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466 FZUS51 KBOX 252304 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 703 PM EDT Sat Jul 25 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-261200- 703 PM EDT Sat Jul 25 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres across the waters this weekend bringing more tranquil boating weather. Increasing risk for rough seas towards the middle of next week as low pressure approaches from the W. $$ ANZ250-261200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 703 PM EDT Sat Jul 25 2026 .TONIGHT...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SE 2 ft at 7 seconds. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 9 seconds. .SUN NIGHT...NE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 1 foot at 7 seconds. .MON...NE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and SE 1 foot at 12 seconds. .MON NIGHT AND TUE...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 4 seconds. .TUE NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 9 seconds and S 2 ft at 4 seconds. A chance of showers in the evening. Showers likely after midnight. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-261200- Massachusetts Bay and Ipswich Bay- 703 PM EDT Sat Jul 25 2026 .TONIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 2 ft at 16 seconds. .SUN NIGHT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 1 foot at 8 seconds. .MON...NE winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .TUE...S winds 5 to 10 kt, becoming SE 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 SE 2 ft at 4 seconds. A chance of showers in the afternoon. .TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers in the evening, then showers likely with a chance of tstms after midnight. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. .WED NIGHT THROUGH THU NIGHT...N 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. $$ ANZ231-261200- Cape Cod Bay- 703 PM EDT Sat Jul 25 2026 .TONIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SE 1 foot at 7 seconds. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 2 seconds and S 1 foot at 12 seconds. .SUN NIGHT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: N 1 foot at 3 seconds. .MON...NE winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. .MON NIGHT AND TUE...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 3 seconds. .TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 1 foot at 3 seconds and E 1 foot at 7 seconds. A chance of showers in the evening. Showers likely after midnight. .WED...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .WED NIGHT AND THU...NE winds 10 to 15 kt, becoming N. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-261200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 7 seconds. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and SE 1 foot at 12 seconds. .MON NIGHT AND TUE...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and E 1 foot at 10 seconds. A chance of showers. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. 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. $$ ANZ255-261200- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SE 2 ft at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 6 seconds and S 2 ft at 7 seconds. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SW 2 ft at 7 seconds. .MON NIGHT AND TUE...SE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 6 seconds and E 1 foot at 10 seconds. A chance of showers in the evening. Showers likely after midnight. .WED...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .WED NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers. .THU...N winds around 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-261200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 703 PM EDT Sat Jul 25 2026 .TONIGHT...E winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SW 2 ft at 7 seconds. .SUN NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and S 2 ft at 7 seconds. .MON...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 8 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 6 seconds. A chance of showers in the afternoon. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. A chance of showers and tstms in the evening, then showers after midnight. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Showers likely. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers. .THU...N winds around 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. 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. $$ ANZ232-261200- Nantucket Sound- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and S 1 foot at 7 seconds. .SUN...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 foot at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 5 seconds and S 1 foot at 7 seconds. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 5 seconds and SW 1 foot at 7 seconds. .MON NIGHT AND TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 7 seconds. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 7 seconds. A chance of showers in the evening. Showers likely after midnight. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. Showers likely. .WED NIGHT AND THU...E winds 15 to 20 kt, becoming N. Seas 2 to 4 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-261200- Vineyard Sound- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 3 seconds and S 1 foot at 8 seconds. .SUN...NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 7 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 8 seconds. .MON...N winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and W 1 foot at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 4 seconds. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 10 seconds. A chance of showers in the afternoon. .TUE NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Showers likely. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT AND THU...NE winds 15 to 20 kt, becoming N 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. 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. $$ ANZ234-261200- Buzzards Bay- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 7 seconds. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 2 seconds and S 1 foot at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming NE 1 foot at 2 seconds and SW 1 foot at 7 seconds. .MON...N winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 6 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 6 seconds, becoming SE 2 ft at 9 seconds and SW 1 foot at 3 seconds. .TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds. A chance of showers in the afternoon. .TUE NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers and tstms in the evening, then showers likely after midnight. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT AND THU...NE winds 15 to 20 kt, becoming N 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-261200- Rhode Island Sound- 703 PM EDT Sat Jul 25 2026 .TONIGHT...E winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and S 2 ft at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and S 2 ft at 7 seconds. .MON...NE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and S 2 ft at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds. A chance of showers in the afternoon. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms. .WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers. .THU...N winds around 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. 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. $$ ANZ237-261200- Block Island Sound- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .SUN...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 8 seconds. .SUN NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. .MON...NE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 4 seconds. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 6 seconds. A chance of showers in the afternoon. .TUE NIGHT...SE winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers. A chance of tstms in the evening. .WED...E winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers. .WED NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .THU...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-261200- Boston Harbor- 703 PM EDT Sat Jul 25 2026 .TONIGHT...E winds 5 to 10 kt, becoming NE after midnight. Waves 1 foot or less. .SUN...NE winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...E winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. .MON...NE winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .MON NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Waves 1 foot or less. .TUE...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. A chance of showers in the afternoon. .TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. Showers likely. A chance of tstms after midnight. .WED AND WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers likely with a chance of tstms. .THU AND THU NIGHT...NE winds around 10 kt, becoming N. Waves around 2 ft, then 1 foot or less. 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. $$ ANZ236-261200- Narragansett Bay- 703 PM EDT Sat Jul 25 2026 .TONIGHT...E winds 5 to 10 kt, becoming NE after midnight. Waves around 2 ft. .SUN...NE winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...E winds 5 to 10 kt, becoming N after midnight. Waves around 2 ft. .MON...NE winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Waves around 2 ft. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. A chance of showers in the afternoon. .TUE NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers with a chance of tstms. .WED...E winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers. .WED NIGHT AND THU...N winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-261200- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 703 PM EDT Sat Jul 25 2026 .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds. .SUN...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 1 foot at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 8 seconds. .MON...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 8 seconds. .MON NIGHT AND TUE...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and S 2 ft at 7 seconds. .TUE NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. Wave Detail: SE 3 ft at 7 seconds and E 1 foot at 10 seconds. A chance of showers. .WED AND WED NIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 4 to 5 ft. Showers likely. .THU...E winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. A chance of showers. .THU NIGHT...N winds around 10 kt. Seas 4 to 6 ft. 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. $$ ANZ281-261200- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds and S 2 ft at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and SE 1 foot at 12 seconds. .MON...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SE 1 foot at 11 seconds. .MON NIGHT...N winds around 5 kt, becoming SW after midnight. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 8 seconds. .TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SE 3 ft at 8 seconds. .TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 25 kt after midnight. Seas 3 to 4 ft. A chance of showers. .WED...SE winds 15 to 20 kt with gusts up to 30 kt. Seas around 4 ft. Showers likely. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 9 ft. A chance of showers. .THU NIGHT...NW winds around 10 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-261200- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and S 2 ft at 8 seconds. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 6 seconds and S 2 ft at 7 seconds. .MON...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. .MON NIGHT...SW winds around 5 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. .TUE NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 3 to 4 ft. A chance of showers in the evening. Showers likely after midnight. .WED...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Showers likely. .WED NIGHT AND THU...E winds 10 to 15 kt, becoming NW. Gusts up to 20 kt. Seas 6 to 9 ft. A chance of showers. .THU NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. 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. $$ ANZ283-261200- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 703 PM EDT Sat Jul 25 2026 .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. .SUN...NE winds 10 to 15 kt. Seas around 4 ft. Wave Detail: NE 4 ft at 7 seconds and S 2 ft at 8 seconds. .SUN NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and S 2 ft at 7 seconds. .MON...N winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to 4 ft. Wave Detail: E 3 ft at 7 seconds and SW 2 ft at 7 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 8 seconds. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. A chance of showers in the afternoon. .TUE NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. A chance of showers and tstms in the evening, then showers after midnight. .WED...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Showers likely. .WED NIGHT...NE winds 15 to 20 kt. Seas 5 to 8 ft. A chance of showers. .THU...N winds around 15 kt with gusts up to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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