Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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865 FZUS51 KBOX 070604 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 104 AM EST Fri Nov 7 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-071900- 104 AM EST Fri Nov 7 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. $$ ANZ250-071900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and S 1 foot at 9 seconds. .FRI...W winds around 10 kt, becoming S 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and N 1 foot at 5 seconds. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 5 seconds and SE 1 foot at 11 seconds. A chance of rain in the evening, then rain likely after midnight. Patchy fog after midnight. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at 11 seconds. A chance of rain in the morning. .SAT NIGHT...NW winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and NW 1 foot at 3 seconds. .SUN...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds and SE 2 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Rain. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. .TUE...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. A chance of rain. .TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-071900- Massachusetts Bay and Ipswich Bay- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and SW 1 foot at 9 seconds. .FRI...W winds around 10 kt, becoming S 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and N 1 foot at 5 seconds. .FRI NIGHT...S 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 SE 1 foot at 12 seconds. A chance of rain in the evening, then rain likely after midnight. Patchy fog after midnight. .SAT...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 5 seconds. .SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 1 foot at 2 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 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds and NW 1 foot at 3 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt. Seas 2 to 3 ft. Rain. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain. .TUE AND TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 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. $$ ANZ231-071900- Cape Cod Bay- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 6 seconds and S 1 foot at 9 seconds. .FRI...W winds around 10 kt, becoming SW 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at 8 seconds. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at 5 seconds. Patchy fog after midnight. Rain likely after midnight. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot at 11 seconds. Patchy fog in the morning. Showers likely in the morning. .SAT NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and S 1 foot at 7 seconds. .SUN...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then 2 to 3 ft in the afternoon. Wave Detail: E 1 foot at 2 seconds and N 1 foot at 3 seconds, becoming SE 2 ft at 3 seconds and S 2 ft at 6 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Rain. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain. .TUE...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. A chance of rain. .TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-071900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and S 2 ft at 9 seconds. .FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and N 2 ft at 7 seconds. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 7 seconds and N 3 ft at 6 seconds. Patchy fog after midnight. Rain likely after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 6 seconds and SE 1 foot at 11 seconds. Showers likely in the morning, then a chance of rain in the afternoon. 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 3 ft at 7 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 4 ft. Wave Detail: SE 3 ft at 4 seconds and S 3 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. Rain. .MON...S winds around 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Rain. .MON NIGHT...W winds 20 to 25 kt. Seas 5 to 7 ft. Rain likely. .TUE...W winds 25 to 30 kt with gusts up to 40 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 35 kt with gusts up to 40 kt. Seas 7 to 10 ft, except 10 to 14 ft S and E of Nantucket. 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. $$ ANZ255-071900- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and SW 2 ft at 9 seconds. .FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and N 1 foot at 6 seconds. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 8 seconds and SW 2 ft at 4 seconds. Patchy fog after midnight. Showers likely after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt in the afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Wave Detail: SW 8 ft at 8 seconds and W 1 foot at 4 seconds, becoming SW 6 ft at 8 seconds and W 1 foot at 4 seconds. Showers likely in the morning, then a chance of rain in the afternoon. Patchy fog in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and W 1 foot at 3 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SE 2 ft at 4 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 20 to 25 kt, becoming S 15 to 20 kt after midnight. Seas 4 to 6 ft. Rain. .MON...SW winds 15 to 20 kt. Seas 4 to 6 ft. Rain likely. .MON NIGHT...W winds 25 to 30 kt. Seas 6 to 9 ft. A chance of rain. .TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 9 to 12 ft. A chance of rain. .TUE NIGHT...W winds 35 to 45 kt. Seas 10 to 14 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-071900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds and SW 2 ft at 8 seconds. .FRI...W winds 5 to 10 kt with gusts up to 20 kt, becoming SW 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: W 2 ft at 4 seconds and S 2 ft at 8 seconds, becoming SW 6 ft at 6 seconds and SE 1 foot at 11 seconds. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog after midnight. Showers after midnight. .SAT...SW winds 15 to 20 kt with gusts up 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 W 1 foot at 4 seconds, becoming SW 6 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog in the morning. Showers likely in the morning. .SAT NIGHT...NW winds around 10 kt, becoming NE after midnight. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and NW 1 foot at 3 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 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 4 to 6 ft. Rain. .MON...SW winds 15 to 20 kt. Seas 4 to 6 ft. Rain likely. .MON NIGHT...W winds 25 to 30 kt. Seas 5 to 8 ft. A chance of rain. .TUE...W winds 30 to 40 kt with gusts up to 45 kt. Seas 8 to 11 ft. A chance of rain. .TUE NIGHT...W winds 35 to 45 kt. Seas 9 to 13 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. $$ ANZ232-071900- Nantucket Sound- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds and SW 1 foot at 9 seconds. .FRI...W winds around 10 kt, becoming SW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at 7 seconds. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 5 seconds and NE 1 foot at 6 seconds. Patchy fog after midnight. Rain likely after midnight. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: SW 3 ft at 4 seconds and SW 3 ft at 8 seconds, becoming W 2 ft at 3 seconds and SW 2 ft at 8 seconds. Patchy fog in the morning. Showers likely in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 foot at 3 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds and S 2 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. Rain. .MON...SW winds 15 to 20 kt. Seas 2 to 4 ft. Rain likely. .MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain. .TUE...W winds 30 to 40 kt. Seas 5 to 7 ft. A chance of rain. .TUE NIGHT...W winds 30 to 40 kt with gusts up to 45 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-071900- Vineyard Sound- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds and SW 2 ft at 9 seconds. .FRI...W winds 5 to 10 kt, becoming SW 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas around 2 ft, building to 3 to 5 ft in the afternoon. Wave Detail: W 2 ft at 4 seconds and SW 2 ft at 8 seconds, becoming S 5 ft at 7 seconds and SW 3 ft at 4 seconds. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: SW 7 ft at 6 seconds and SE 1 foot at 11 seconds. Patchy fog after midnight. Showers after midnight. .SAT...SW winds 15 to 20 kt, becoming W around 10 kt in the afternoon. Seas 4 to 6 ft, subsiding to 2 to 4 ft in the afternoon. Wave Detail: SW 6 ft at 8 seconds and W 1 foot at 4 seconds, becoming SW 4 ft at 8 seconds and W 1 foot at 4 seconds. Patchy fog in the morning. Showers likely in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and NE 1 foot at 2 seconds. .SUN...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 3 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. Rain. .MON...SW winds 15 to 20 kt. Seas 2 to 4 ft. Rain likely. .MON NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft. A chance of rain. .TUE...W winds 25 to 35 kt with gusts up to 40 kt. Seas 5 to 7 ft. A chance of rain. .TUE NIGHT...W winds 30 to 35 kt with gusts up to 40 kt. Seas 5 to 8 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. $$ ANZ234-071900- Buzzards Bay- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and SW 2 ft at 8 seconds. .FRI...W winds 5 to 10 kt, becoming SW 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SW 3 ft at 4 seconds. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and SW 3 ft at 4 seconds. Patchy fog after midnight. Showers after midnight. .SAT...SW winds 15 to 20 kt, becoming W around 10 kt in the afternoon. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: SW 5 ft at 8 seconds and W 2 ft at 4 seconds, becoming SW 3 ft at 8 seconds and W 1 foot at 3 seconds. Patchy fog in the morning. Showers likely in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and NE 1 foot at 3 seconds. .SUN...E winds 5 to 10 kt, becoming SE 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and SW 2 ft at 7 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt. Seas 2 to 3 ft. Rain. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. .MON NIGHT...W winds 20 to 25 kt. Seas 2 to 4 ft. A chance of rain. .TUE...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. A chance of rain. .TUE NIGHT...W winds 25 to 35 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-071900- Rhode Island Sound- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 9 seconds and NW 2 ft at 5 seconds. .FRI...W winds 5 to 10 kt, becoming SW 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas around 2 ft, building to 4 to 6 ft in the afternoon. Wave Detail: W 2 ft at 4 seconds and SW 2 ft at 8 seconds, becoming SW 6 ft at 6 seconds and SE 1 foot at 11 seconds. .FRI NIGHT...SW winds 25 to 30 kt. Seas 6 to 9 ft. Wave Detail: S 9 ft at 7 seconds and SW 2 ft at 4 seconds. Patchy fog after midnight. Showers after midnight. .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: SW 7 ft at 8 seconds and W 2 ft at 5 seconds, becoming S 5 ft at 8 seconds and W 1 foot at 3 seconds. Patchy fog in the morning. Showers likely 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 7 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, building to 3 to 5 ft in the afternoon. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 3 seconds, becoming S 5 ft at 7 seconds and SE 3 ft at 4 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. Rain. .MON...SW winds 15 to 20 kt. Seas 3 to 5 ft. Rain likely. .MON NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of rain. .TUE...W winds 25 to 35 kt with gusts up to 40 kt. Seas 5 to 8 ft. A chance of rain. .TUE NIGHT...W winds 25 to 35 kt with gusts up to 40 kt. Seas 6 to 9 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. $$ ANZ237-071900- Block Island Sound- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and S 2 ft at 9 seconds. .FRI...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas around 2 ft, building to 3 to 5 ft in the afternoon. Wave Detail: W 2 ft at 3 seconds and N 1 foot at 3 seconds, becoming S 5 ft at 7 seconds and SW 4 ft at 4 seconds. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 6 seconds and SE 1 foot at 11 seconds. A chance of rain in the evening, then showers after midnight. Patchy fog after midnight. .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 5 seconds, becoming S 4 ft at 7 seconds and W 1 foot at 3 seconds. Patchy fog in the morning. Showers likely in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 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, building to 3 to 5 ft in the afternoon. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 3 seconds, becoming S 4 ft at 7 seconds and SE 3 ft at 4 seconds. A chance of rain in the afternoon. .SUN NIGHT...SE winds 15 to 20 kt, becoming S 10 to 15 kt after midnight. Seas 3 to 5 ft. Rain. .MON...W winds 15 to 20 kt. Seas 3 to 5 ft. Rain likely. .MON NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft. A chance of rain. .TUE...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. A chance of rain. .TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 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. $$ ANZ230-071900- Boston Harbor- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 10 to 15 kt. Waves 1 foot or less. .FRI...SW winds 5 to 10 kt, becoming S 15 to 20 kt with gusts up to 25 kt in the afternoon. Waves around 2 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. A chance of rain in the evening, then rain likely after midnight. Patchy fog after midnight. .SAT...W winds around 10 kt. Waves around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN...E winds 5 to 10 kt, increasing to 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...E winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves around 2 ft. Rain. .MON...SW winds 10 to 15 kt. Waves around 2 ft. Rain. .MON NIGHT...W winds 15 to 20 kt. Waves around 2 ft. A chance of rain. .TUE AND TUE NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 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. $$ ANZ236-071900- Narragansett Bay- 104 AM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH SATURDAY MORNING... .REST OF TONIGHT...W winds 5 to 10 kt. Waves around 2 ft. .FRI...SW winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Waves 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 4 to 6 ft. A chance of rain in the evening, then showers after midnight. Patchy fog after midnight. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Waves 2 to 4 ft. Patchy fog in the morning. .SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Waves 2 to 3 ft. .SUN...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. A chance of rain in the afternoon. .SUN NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 to 4 ft. Rain. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Rain likely. .MON NIGHT AND TUE...W winds 15 to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt. Waves 2 to 4 ft. A chance of rain. .TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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