Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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769 FZUS51 KBOX 092105 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 405 PM EST Sun Nov 9 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-101000- 405 PM EST Sun Nov 9 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... A couple waves of low pres will approach from the southwest later tonight into Mon. This will be followed by the passage of a strong cold front later Mon/Mon night with the potential for NW gale force wind gusts on Tue. Another cold front will approach and cross the waters later Wed into Thu. $$ ANZ250-101000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 20 to 25 kt, becoming S 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 7 seconds and SE 5 ft at 10 seconds. Patchy fog. Rain with a slight chance of tstms this evening, then a chance of rain after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...S winds around 10 kt, becoming SW in the afternoon. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 7 seconds and S 1 foot at 8 seconds. Patchy fog. Rain. Vsby 1 NM or less. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: E 5 ft at 7 seconds and W 4 ft at 4 seconds. Patchy fog in the evening. A chance of rain in the evening with vsby 1 to 3 NM. .TUE...W winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SE 4 ft at 9 seconds. .TUE NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 5 to 8 ft. Wave Detail: W 7 ft at 7 seconds and SE 3 ft at 10 seconds. .WED...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 6 seconds and SE 2 ft at 11 seconds. A chance of rain in the afternoon. .WED NIGHT...W winds around 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .THU THROUGH FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-101000- Massachusetts Bay and Ipswich Bay- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 20 to 25 kt with gusts up to 30 kt, becoming S 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 6 seconds and SE 4 ft at 10 seconds. Patchy fog. Rain, mainly this evening. Vsby 1 NM or less. .MON...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and SW 1 foot at 2 seconds. Patchy fog. Rain. Vsby 1 NM or less. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 9 seconds and W 3 ft at 4 seconds. A chance of rain in the evening. .TUE...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and E 3 ft at 9 seconds. .TUE NIGHT THROUGH WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SW 3 ft at 7 seconds. .THU THROUGH FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and N 2 ft at 4 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. $$ ANZ231-101000- Cape Cod Bay- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 15 to 20 kt with gusts up to 30 kt, becoming S 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 9 seconds. Patchy fog. Rain with a slight chance of tstms this evening, then a chance of rain after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...S winds around 10 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and S 2 ft at 8 seconds. Patchy fog. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 9 seconds and SE 3 ft at 9 seconds. A chance of rain in the evening. .TUE...W winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SW 3 ft at 8 seconds. .TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 8 seconds. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SW 4 ft at 8 seconds. A chance of rain in the afternoon. .WED NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. .THU THROUGH FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-101000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 20 to 25 kt with gusts up to 30 kt, becoming S 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: SE 5 ft at 8 seconds. Patchy fog. Rain with a chance of tstms this evening, then a chance of rain with a slight chance of tstms after midnight. Vsby 1 NM or less. .MON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 8 seconds and S 3 ft at 8 seconds. Patchy fog. Rain. Vsby 1 NM or less. .MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 9 seconds and S 5 ft at 9 seconds. A chance of rain. Patchy fog in the evening. .TUE...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: W 6 ft at 5 seconds and SE 5 ft at 9 seconds. .TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft, except 10 to 14 ft S and E of Nantucket. Wave Detail: W 7 ft at 6 seconds and SW 4 ft at 9 seconds. .WED...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 6 to 9 ft, except 9 to 13 ft S and E of Nantucket. Wave Detail: SW 8 ft at 9 seconds and W 5 ft at 6 seconds. A chance of rain in the afternoon. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, except 9 to 12 ft S and E of Nantucket. A chance of rain in the evening. .THU AND THU NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, except 7 to 10 ft S and E of Nantucket. A chance of rain. .FRI AND FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 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. $$ ANZ255-101000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 20 to 25 kt, becoming S 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 6 seconds and SE 5 ft at 10 seconds. Patchy fog. A chance of rain. A chance of tstms this evening, then a slight chance of tstms after midnight. Vsby 1 NM or less. .MON...S winds 10 to 15 kt, becoming SW in the afternoon. Gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 9 seconds and S 5 ft at 9 seconds. Patchy fog. Rain likely. Vsby 1 NM or less. .MON NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: SW 8 ft at 7 seconds and S 7 ft at 9 seconds. Patchy fog in the evening. A chance of rain after midnight. .TUE...W winds 25 to 35 kt. Seas 6 to 9 ft, building to 8 to 11 ft in the afternoon. Wave Detail: W 8 ft at 7 seconds and S 5 ft at 9 seconds, becoming W 11 ft at 7 seconds and SE 4 ft at 9 seconds. A chance of rain in the afternoon. .TUE NIGHT...W winds 30 to 40 kt. Seas 9 to 13 ft. Wave Detail: W 13 ft at 9 seconds and W 3 ft at 5 seconds. .WED AND WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 9 to 13 ft. Wave Detail: SW 13 ft at 9 seconds and W 2 ft at 5 seconds. A chance of rain through the night. .THU...W winds 25 to 30 kt. Seas 7 to 10 ft. .THU NIGHT...NW winds 25 to 30 kt. Seas 6 to 9 ft. .FRI...NW winds 20 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...NW winds 20 to 25 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-101000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 7 seconds and SE 5 ft at 10 seconds. Patchy fog. A chance of rain. A slight chance of tstms this evening. Vsby 1 NM or less. .MON...S winds around 10 kt, becoming W with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SE 6 ft at 9 seconds and SE 4 ft at 6 seconds. Patchy fog. Rain, mainly in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...W winds 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 9 seconds and W 4 ft at 5 seconds. .TUE...W winds 25 to 35 kt. Seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. Wave Detail: SW 7 ft at 8 seconds and NW 4 ft at 5 seconds, becoming SW 10 ft at 8 seconds and NW 4 ft at 5 seconds. .TUE NIGHT THROUGH WED NIGHT...W winds 30 to 40 kt. Seas 9 to 12 ft. Wave Detail: SW 12 ft at 9 seconds and NW 4 ft at 6 seconds. .THU...W winds 25 to 30 kt. Seas 7 to 10 ft. Wave Detail: SW 9 ft at 9 seconds and NW 5 ft at 5 seconds. .THU NIGHT...NW winds 25 to 30 kt. Seas 5 to 8 ft. .FRI...NW winds 20 to 25 kt. Seas 4 to 6 ft. .FRI NIGHT...NW winds 20 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. $$ ANZ232-101000- Nantucket Sound- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 20 to 25 kt, becoming S 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 4 seconds and SE 3 ft at 9 seconds. Patchy fog. Rain likely with a chance of tstms this evening, then a slight chance of rain after midnight. Vsby 1 NM or less. .MON...S winds 10 to 15 kt, becoming SW in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and S 3 ft at 9 seconds. Patchy fog. Rain likely. Vsby 1 NM or less. .MON NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 9 seconds and SW 3 ft at 4 seconds. Patchy fog in the evening. .TUE...W winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 8 seconds. .TUE NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt after midnight. Seas 5 to 7 ft. Wave Detail: W 6 ft at 5 seconds and SW 4 ft at 9 seconds. .WED...SW winds 25 to 30 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 9 seconds. A chance of rain in the afternoon. .WED NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft. .THU THROUGH FRI...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds around 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-101000- Vineyard Sound- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 15 to 20 kt with gusts up to 25 kt, becoming S 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and S 3 ft at 4 seconds. Patchy fog. Rain likely with a slight chance of tstms this evening. A chance of rain after midnight. Vsby 1 NM or less. .MON...S winds around 10 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and S 3 ft at 8 seconds. Patchy fog. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 9 seconds and SW 3 ft at 5 seconds. .TUE...W winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and W 3 ft at 5 seconds. .TUE NIGHT THROUGH WED NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 8 seconds and W 3 ft at 5 seconds. .THU...W winds 20 to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 9 seconds and NW 3 ft at 5 seconds. .THU NIGHT AND FRI...NW winds 20 to 25 kt, diminishing to 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 15 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. $$ ANZ234-101000- Buzzards Bay- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 15 to 20 kt with gusts up to 25 kt, becoming S 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds. Patchy fog. Rain likely with a slight chance of tstms this evening. A chance of rain after midnight. Vsby 1 NM or less. .MON...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Patchy fog. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 9 seconds and SW 3 ft at 4 seconds. .TUE...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 8 seconds and W 3 ft at 5 seconds. .TUE NIGHT...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 8 seconds and W 4 ft at 5 seconds. .WED AND WED NIGHT...W winds 25 to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and W 3 ft at 5 seconds. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .THU NIGHT THROUGH FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-101000- Rhode Island Sound- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 15 to 20 kt with gusts up to 25 kt, becoming S 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 10 seconds and SE 4 ft at 7 seconds. Patchy fog. Rain likely with a slight chance of tstms this evening. A chance of rain after midnight. Vsby 1 NM or less. .MON...S winds around 10 kt, becoming SW with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SW 1 foot at 3 seconds. Patchy fog. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and W 3 ft at 5 seconds. .TUE...W winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 8 seconds and W 4 ft at 5 seconds. .TUE NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: SW 8 ft at 9 seconds and W 5 ft at 6 seconds. .WED...W winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to 9 ft. Wave Detail: SW 9 ft at 9 seconds and W 3 ft at 5 seconds. .WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. .THU...W winds 20 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds 20 to 25 kt. Seas 4 to 6 ft. .FRI AND FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 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. $$ ANZ237-101000- Block Island Sound- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING... .TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. Patchy fog. A chance of rain. Vsby 1 NM or less. .MON...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 7 seconds and SW 2 ft at 3 seconds. Patchy fog. Rain, mainly in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and W 3 ft at 4 seconds. .TUE...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and S 4 ft at 8 seconds. .TUE NIGHT THROUGH WED NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: W 6 ft at 6 seconds and SW 6 ft at 9 seconds. .THU...W winds around 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and S 4 ft at 10 seconds. .THU NIGHT...NW winds 20 to 25 kt. Seas 3 to 5 ft. .FRI AND FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-101000- Boston Harbor- 405 PM EST Sun Nov 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...SE winds 15 to 20 kt with gusts up to 25 kt, becoming S 10 to 15 kt after midnight. Waves 2 to 3 ft this evening, then 1 foot or less. Patchy fog. Rain, mainly this evening. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...SE winds 5 to 10 kt, becoming SW in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. Patchy fog. Rain. Vsby 1 NM or less in the morning. .MON NIGHT...W winds 15 to 20 kt. Waves around 2 ft. A chance of rain in the evening. .TUE...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Waves around 2 ft. .TUE NIGHT THROUGH WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. .THU THROUGH FRI NIGHT...NW 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. $$ ANZ236-101000- Narragansett Bay- 405 PM EST Sun Nov 9 2025 .TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Waves 2 to 3 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .MON...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Patchy fog. Rain. Vsby 1 NM or less in the morning. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. .TUE...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Waves 2 to 3 ft. .TUE NIGHT THROUGH WED NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves 3 to 5 ft. .THU THROUGH FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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