Coastal Waters Forecast
Issued by NWS Boston, MA

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463 FZUS51 KBOX 102003 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 403 PM EDT Fri Jul 10 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-110900- 403 PM EDT Fri Jul 10 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... A weak cold front moves S across the waters tonight. High pres arrives from SE Canada this weekend and lingers through early next week. $$ ANZ250-110900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 403 PM EDT Fri Jul 10 2026 .TONIGHT...SW winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .SAT...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 7 seconds. .SAT NIGHT...S winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds. .SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: N 2 ft at 7 seconds and S 1 foot at 7 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 4 seconds and NE 2 ft at 7 seconds. .TUE THROUGH WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-110900- Massachusetts Bay and Ipswich Bay- 403 PM EDT Fri Jul 10 2026 .TONIGHT...S winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 4 seconds. .SAT...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 8 seconds and NW 1 foot at 4 seconds. .SAT NIGHT...S winds around 5 kt, becoming NW after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SE 2 ft at 7 seconds, becoming S 1 foot at 7 seconds and E 1 foot at 8 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 7 seconds and S 1 foot at 5 seconds. .SUN NIGHT THROUGH MON NIGHT...SW 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 NE 2 ft at 6 seconds. .TUE THROUGH WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 9 seconds. 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. $$ ANZ231-110900- Cape Cod Bay- 403 PM EDT Fri Jul 10 2026 .TONIGHT...S winds around 5 kt, becoming N after midnight. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at 10 seconds. A slight chance of showers this evening. .SAT...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 foot at 5 seconds. .SAT NIGHT...SE winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds. .SUN...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and N 1 foot at 4 seconds. .TUE THROUGH WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 9 seconds. .WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-110900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 403 PM EDT Fri Jul 10 2026 .TONIGHT...SW winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. Patchy fog. A slight chance of showers this evening. Vsby 1 NM or less. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and NE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...E winds around 5 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 2 ft at 8 seconds. .SUN...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 2 ft at 8 seconds. .SUN NIGHT THROUGH MON 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 NE 2 ft at 7 seconds. .TUE...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 1 foot at 9 seconds. .TUE NIGHT AND WED...SW winds 20 to 25 kt, becoming W 15 to 20 kt. Gusts up to 30 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 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. $$ ANZ255-110900- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 403 PM EDT Fri Jul 10 2026 .TONIGHT...S winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and E 2 ft at 9 seconds. Patchy fog. A slight chance of showers this evening. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 9 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 2 ft at 8 seconds. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 2 ft at 9 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 7 seconds. .TUE...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and SE 1 foot at 9 seconds. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. .WED AND WED NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-110900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 403 PM EDT Fri Jul 10 2026 .TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and E 2 ft at 9 seconds. A slight chance of showers. A slight chance of tstms after midnight. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 2 ft at 8 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 2 ft at 7 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 2 ft at 8 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 7 seconds. .TUE...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and SE 1 foot at 9 seconds. .TUE NIGHT AND WED...SW winds 20 to 25 kt, becoming W 15 to 20 kt. Gusts up to 30 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 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. $$ ANZ232-110900- Nantucket Sound- 403 PM EDT Fri Jul 10 2026 .TONIGHT...SE winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: S 1 foot at 5 seconds and E 1 foot at 9 seconds. A chance of showers this evening. Patchy fog after midnight. .SAT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 6 seconds and NE 1 foot at 7 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: E 1 foot at 6 seconds and SW 1 foot at 7 seconds. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 7 seconds and NE 1 foot at 8 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 6 seconds. .TUE THROUGH WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 4 seconds and SE 1 foot at 9 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-110900- Vineyard Sound- 403 PM EDT Fri Jul 10 2026 .TONIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 10 seconds. A chance of showers this evening. .SAT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and NE 1 foot at 5 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: E 1 foot at 5 seconds and SW 1 foot at 7 seconds. .SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and SW 1 foot at 7 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 5 seconds. .TUE...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds. .TUE NIGHT AND WED...SW winds 20 to 25 kt, becoming W 15 to 20 kt. Gusts up to 30 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 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. $$ ANZ234-110900- Buzzards Bay- 403 PM EDT Fri Jul 10 2026 .TONIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft this evening, then 1 foot or less. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 10 seconds, becoming SW 1 foot at 5 seconds and SE 1 foot at 9 seconds. Showers likely this evening. .SAT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 6 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 7 seconds, becoming E 1 foot at 3 seconds and SW 1 foot at 7 seconds. .SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 7 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 2 seconds. .TUE AND TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at 10 seconds. .WED AND WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-110900- Rhode Island Sound- 403 PM EDT Fri Jul 10 2026 .TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and SE 1 foot at 9 seconds. A slight chance of showers this evening. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 9 seconds. .SAT NIGHT...E winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 1 foot at 9 seconds. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 foot at 9 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at 7 seconds. .TUE...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 1 foot at 9 seconds. .TUE NIGHT THROUGH WED NIGHT...W winds 20 to 25 kt with gusts up to 30 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. $$ ANZ237-110900- Block Island Sound- 403 PM EDT Fri Jul 10 2026 .TONIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. A slight chance of showers this evening. .SAT...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 9 seconds. .SAT NIGHT...E winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 8 seconds. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 8 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds. .TUE THROUGH WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 1 foot at 9 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-110900- Boston Harbor- 403 PM EDT Fri Jul 10 2026 .TONIGHT...E winds around 5 kt, becoming N after midnight. Waves 1 foot or less. .SAT...N winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .SAT NIGHT...SE winds around 5 kt, becoming NW after midnight. Waves 1 foot or less. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .TUE THROUGH WED NIGHT...W winds 15 to 20 kt. Waves 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. $$ ANZ236-110900- Narragansett Bay- 403 PM EDT Fri Jul 10 2026 .TONIGHT...N winds 5 to 10 kt. Waves around 2 ft. A slight chance of showers this evening. .SAT...NE winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft. .SAT NIGHT...SE winds around 5 kt, becoming NW after midnight. Waves around 2 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft. .SUN NIGHT THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE THROUGH WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-110900- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 403 PM EDT Fri Jul 10 2026 .TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. Patchy fog. Vsby 1 NM or less. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 6 seconds and NE 2 ft at 9 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...SW winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 2 ft at 8 seconds. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 7 seconds and S 2 ft at 7 seconds. .SUN NIGHT THROUGH MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and NE 2 ft at 7 seconds. .TUE...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 1 foot at 9 seconds. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .WED AND WED NIGHT...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 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. $$ ANZ281-110900- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 403 PM EDT Fri Jul 10 2026 .TONIGHT...NW winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 2 ft at 6 seconds and E 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .SAT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 7 seconds and NE 2 ft at 9 seconds. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...N winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 2 ft at 7 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and N 2 ft at 8 seconds. .SUN NIGHT...N winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 2 ft at 7 seconds. .MON AND MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 8 seconds. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT AND WED...SW winds 20 to 25 kt, becoming W 15 to 20 kt. Gusts up to 35 kt. Seas 5 to 6 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-110900- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 403 PM EDT Fri Jul 10 2026 .TONIGHT...W winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 6 seconds and E 2 ft at 9 seconds. Patchy fog. A slight chance of showers and tstms after midnight. Vsby 1 NM or less. .SAT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 9 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 2 ft at 8 seconds. Patchy fog in the evening with vsby 1 NM or less. .SUN...N winds 5 to 10 kt. Seas around 3 ft. Wave Detail: NE 3 ft at 6 seconds and S 2 ft at 7 seconds. .SUN NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 2 ft at 7 seconds. .MON AND MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 7 seconds. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT THROUGH WED NIGHT...W winds 20 to 25 kt with gusts up to 30 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. $$ ANZ283-110900- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 403 PM EDT Fri Jul 10 2026 .TONIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming NW after midnight. Seas around 3 ft. Wave Detail: SW 3 ft at 6 seconds and E 2 ft at 9 seconds. A slight chance of showers and tstms. .SAT...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 8 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and S 2 ft at 7 seconds. .SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and S 2 ft at 7 seconds. .SUN NIGHT...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and S 1 foot at 7 seconds. .MON AND MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 7 seconds. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT THROUGH WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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