Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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780 FZUS51 KBOX 080605 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 104 AM EST Sat Nov 8 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-081900- 104 AM EST Sat Nov 8 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure will build over New England tonight then move offshore Fri. Low pressure tracking through the eastern Great Lakes will push a cold front through the waters early Sat. Another low pressure system should track over southern New England Sun. High pres will build south of New England much of next week. $$ ANZ250-081900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 5 seconds and SE 1 foot at 11 seconds. Patchy fog. Showers likely. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W in the afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 11 seconds, becoming SE 2 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...NW winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 10 seconds. .SUN...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds and SE 2 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 6 seconds and SE 1 foot at 10 seconds. Rain. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 6 seconds and SW 2 ft at 3 seconds. Rain likely. .MON NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 4 to 6 ft. A chance of rain in the evening. .TUE AND TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. .WED NIGHT...W winds around 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-081900- Massachusetts Bay and Ipswich Bay- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 12 seconds. Patchy fog. Showers likely. .SAT...SW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot at 11 seconds. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NW 1 foot at 3 seconds. .SUN...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 11 seconds. Rain. .MON...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and SW 1 foot at 3 seconds. Rain likely. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain in the evening. .TUE...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain. 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. $$ ANZ231-081900- Cape Cod Bay- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 11 seconds. Patchy fog. Showers likely. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 6 seconds. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and SE 1 foot at 5 seconds. .SUN...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming SE 2 ft at 3 seconds and S 2 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and S 2 ft at 7 seconds. Rain. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and SE 2 ft at 8 seconds. Rain likely. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain in the evening. .TUE...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .WED AND WED NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt. Gusts up to 30 kt. Seas 2 to 4 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-081900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds and W 1 foot at 5 seconds. Patchy fog. Showers likely with isolated tstms. .SAT...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 1 foot at 11 seconds. A chance of showers. Patchy fog in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and NW 1 foot at 4 seconds. .SUN...E 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 4 seconds and S 3 ft at 8 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, becoming S after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 6 seconds and N 1 foot at 4 seconds. Rain. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 7 seconds and SW 1 foot at 3 seconds. Rain likely. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of rain. .TUE...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft, except 9 to 13 ft S and E of Nantucket. A chance of rain. .TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 8 to 11 ft, except 12 to 16 ft S and E of Nantucket. A chance of rain. .WED AND WED NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt. Seas 6 to 9 ft. S and E of Nantucket, seas 10 to 14 ft, subsiding to 9 to 12 ft. A chance of rain. 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. $$ ANZ255-081900- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TONIGHT...SW winds 25 to 30 kt. Seas 6 to 8 ft. Wave Detail: SW 8 ft at 8 seconds and SW 1 foot at 4 seconds. Patchy fog. Showers likely with a slight chance of tstms. .SAT...SW winds 20 to 25 kt, becoming W 10 to 15 kt in the afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Wave Detail: SW 8 ft at 8 seconds and SW 1 foot at 4 seconds, becoming S 6 ft at 8 seconds and W 1 foot at 4 seconds. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and NW 1 foot at 3 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SE 3 ft at 4 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 20 to 25 kt, becoming S 15 to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds and SE 1 foot at 10 seconds. Rain. .MON...SW winds 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and W 2 ft at 4 seconds. Rain likely. .MON NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 5 to 8 ft. A chance of rain. .TUE...W winds 30 to 40 kt. Seas 9 to 13 ft. A chance of rain. .TUE NIGHT...W winds 30 to 40 kt. Seas 12 to 16 ft. A chance of rain. .WED...SW winds 30 to 35 kt with gusts up to 40 kt. Seas 10 to 14 ft. A chance of rain. .WED NIGHT...W winds 25 to 35 kt. Seas 8 to 11 ft. A chance of rain. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-081900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TONIGHT...SW winds 25 to 30 kt. Seas 7 to 9 ft. Wave Detail: SW 9 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog. Showers likely with a slight chance of tstms. .SAT...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Wave Detail: SW 8 ft at 8 seconds and W 1 foot at 4 seconds, becoming S 6 ft at 8 seconds and W 1 foot at 3 seconds. A chance of showers in the morning. .SAT NIGHT...NW winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and NW 1 foot at 3 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 5 seconds and S 4 ft at 8 seconds. Rain likely in the afternoon. .SUN NIGHT...SE winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 6 seconds and SE 1 foot at 10 seconds. Rain. .MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and W 2 ft at 4 seconds. Rain likely, mainly in the morning. .MON NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 6 to 8 ft. A chance of rain. .TUE...W winds 25 to 35 kt with gusts up to 40 kt. Seas 8 to 11 ft. A chance of rain. .TUE NIGHT...W winds 30 to 40 kt. Seas 10 to 14 ft. .WED...SW winds 25 to 35 kt with gusts up to 40 kt. Seas 9 to 13 ft. .WED NIGHT...W winds 25 to 35 kt with gusts up to 40 kt. Seas 8 to 11 ft. A chance of rain. 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. $$ ANZ232-081900- Nantucket Sound- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... .REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 5 seconds and SE 1 foot at 11 seconds. Patchy fog. Showers likely with isolated tstms. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SW 3 ft at 8 seconds. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and W 1 foot at 3 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and S 2 ft at 8 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds around 20 kt, becoming S after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 10 seconds. Rain. .MON...SW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 6 seconds. Rain likely. .MON NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft. A chance of rain in the evening. .TUE...W winds 25 to 35 kt. Seas 5 to 7 ft. A chance of rain. .TUE NIGHT...W winds 25 to 35 kt with gusts up to 40 kt. Seas 6 to 9 ft. .WED...SW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. .WED NIGHT...W winds 25 to 30 kt. Seas 4 to 6 ft. A chance of rain. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-081900- Vineyard Sound- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... .REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog. Showers likely with isolated tstms. .SAT...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 8 seconds and SW 1 foot at 4 seconds. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and NW 1 foot at 4 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and S 2 ft at 8 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, becoming S after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and S 2 ft at 4 seconds. Rain. .MON...SW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 5 seconds. Rain likely, mainly in the morning. .MON NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 5 ft. A chance of rain in the evening. .TUE...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. A chance of rain. .TUE NIGHT AND WED...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. .WED NIGHT...W winds 25 to 30 kt. Seas 5 to 7 ft. A chance of rain. 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. $$ ANZ234-081900- Buzzards Bay- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... .REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SW 2 ft at 4 seconds. Patchy fog. Showers likely with isolated tstms. .SAT...SW winds 15 to 20 kt, becoming W around 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 8 seconds and SW 1 foot at 4 seconds. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds and NW 1 foot at 4 seconds. .SUN...E winds 5 to 10 kt, becoming SE 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and SW 2 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and S 2 ft at 7 seconds. Rain. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at 4 seconds. Rain likely, mainly in the morning. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain in the evening. .TUE...W winds 25 to 30 kt. Seas 3 to 5 ft. .TUE NIGHT AND WED...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-081900- Rhode Island Sound- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: S 8 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog. Showers likely with isolated tstms. .SAT...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 5 to 7 ft, subsiding to 3 to 5 ft in the afternoon. Wave Detail: S 7 ft at 8 seconds and W 1 foot at 4 seconds, becoming S 5 ft at 8 seconds and W 1 foot at 3 seconds. A chance of showers in the morning. .SAT NIGHT...NW winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and NW 1 foot at 4 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 5 seconds and S 4 ft at 8 seconds. Rain likely in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds and SE 1 foot at 10 seconds. Rain. .MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and W 2 ft at 4 seconds. Rain likely, mainly in the morning. .MON NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of rain in the evening. .TUE...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. A chance of rain. .TUE NIGHT AND WED...W winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to 10 ft. .WED NIGHT...W winds 25 to 30 kt. Seas 6 to 9 ft. A chance of rain. 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. $$ ANZ237-081900- Block Island Sound- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SW 6 ft at 6 seconds and SE 1 foot at 11 seconds. Patchy fog. Showers likely with isolated tstms. .SAT...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: S 5 ft at 8 seconds and W 2 ft at 4 seconds, becoming S 4 ft at 8 seconds and W 1 foot at 3 seconds. A chance of showers in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 1 foot at 3 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and S 3 ft at 8 seconds. Rain likely in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt, becoming SW 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 6 seconds and SE 1 foot at 10 seconds. Rain. .MON...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and W 2 ft at 4 seconds. A chance of rain. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE THROUGH WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-081900- Boston Harbor- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt. Waves around 2 ft. Patchy fog. Showers likely. .SAT...W winds around 10 kt. Waves 1 foot or less. Patchy fog in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. .SUN...E 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 rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Waves around 2 ft. Rain. .MON...W winds 10 to 15 kt. Waves around 2 ft. Rain likely, mainly in the morning. .MON NIGHT...W winds 15 to 20 kt. Waves around 2 ft. A chance of rain in the evening. .TUE THROUGH WED...SW winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. .WED NIGHT...SW winds 15 to 20 kt. Waves around 2 ft. A chance of rain. 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. $$ ANZ236-081900- Narragansett Bay- 104 AM EST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING... .REST OF TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 3 to 5 ft. Patchy fog. Showers likely with isolated tstms. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW in the afternoon. Waves 2 to 4 ft. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. .SUN...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Rain likely in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Waves 2 to 3 ft. Rain. .MON...W winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Rain likely, mainly in the morning. .MON NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Waves 2 to 4 ft. A chance of rain in the evening. .TUE...W winds 20 to 25 kt with gusts up to 30 kt. Waves 2 to 4 ft. .TUE NIGHT AND WED...SW winds 20 to 25 kt with gusts up to 30 kt. Waves 3 to 5 ft. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves 4 to 6 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston