Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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213 FZUS51 KBOX 091805 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 105 PM EST Tue Dec 9 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-100700- 105 PM EST Tue Dec 9 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will continue moving east of the waters tonight. Low pres then tracks well to our north Wed resulting in gale force SW wind gusts. A cold front then crosses the waters late Wed night into early Thu followed by another pulse of gale force W wind gusts Thu into part of Fri. Weak high pres builds over the waters Fri night, then low pres tracks in the vicinity of the southern waters late Sat night into Sun. $$ ANZ250-100700- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and NE 1 foot at 4 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 4 seconds and NE 1 foot at 4 seconds. A chance of rain after midnight. .WED...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 6 seconds. Patchy fog. A chance of rain. .THU AND THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 7 ft. Wave Detail: SW 6 ft at 6 seconds and SE 3 ft at 11 seconds. .FRI...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 6 seconds and SE 1 foot at 10 seconds. .FRI NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT...W winds 15 to 20 kt. Seas 2 to 4 ft. A chance of snow. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-100700- Massachusetts Bay and Ipswich Bay- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and NE 1 foot at 5 seconds. .TONIGHT...SW winds 15 to 20 kt. Gusts up to 30 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and NE 1 foot at 4 seconds. A chance of snow after midnight. .WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 9 seconds, becoming S 5 ft at 4 seconds and SE 1 foot at 9 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of rain. .THU AND THU NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds. .FRI THROUGH SAT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SW 2 ft at 7 seconds. .SAT NIGHT...W winds 15 to 20 kt. Seas 2 to 3 ft. A chance of snow. 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. $$ ANZ231-100700- Cape Cod Bay- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 5 seconds and E 1 foot at 9 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and NE 1 foot at 5 seconds. .WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 4 seconds and E 1 foot at 9 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. A chance of rain. .THU AND THU NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and S 3 ft at 8 seconds. .FRI AND FRI NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SW 2 ft at 8 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain. .SAT NIGHT...W winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-100700- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 6 seconds and E 1 foot at 9 seconds. .TONIGHT...SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and NE 2 ft at 5 seconds, becoming S 5 ft at 5 seconds and NW 2 ft at 4 seconds. .WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to 7 ft in the afternoon. Wave Detail: SW 5 ft at 5 seconds and E 1 foot at 9 seconds, becoming SW 7 ft at 5 seconds and E 1 foot at 9 seconds. .WED NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 7 ft, except 8 to 11 ft S and E of Nantucket. Wave Detail: SW 7 ft at 6 seconds and SE 1 foot at 9 seconds. A chance of rain. Patchy fog after midnight. .THU AND THU NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: W 5 ft at 5 seconds and SW 5 ft at 10 seconds. .FRI...W winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and SW 3 ft at 8 seconds. .FRI NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .SAT...W winds 15 to 20 kt. Seas 3 to 5 ft. A chance of rain. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 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. $$ ANZ255-100700- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and NE 1 foot at 5 seconds. .TONIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 4 ft at 4 seconds and NE 1 foot at 5 seconds, becoming SW 6 ft at 5 seconds and NE 1 foot at 5 seconds. .WED...SW winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Seas 5 to 7 ft, building to 7 to 10 ft in the afternoon. Wave Detail: SW 7 ft at 7 seconds and SW 1 foot at 4 seconds, becoming SW 10 ft at 8 seconds and SW 1 foot at 4 seconds. .WED NIGHT...SW winds 25 to 30 kt with gusts up to 35 kt. Seas 8 to 11 ft. Wave Detail: SW 11 ft at 9 seconds and SW 2 ft at 4 seconds. A chance of rain. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 10 seconds and W 2 ft at 4 seconds. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft. Wave Detail: SW 9 ft at 10 seconds and W 5 ft at 6 seconds. .FRI...W winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 9 ft. .FRI NIGHT...W winds 20 to 25 kt. Seas 5 to 7 ft. .SAT...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of rain. .SAT NIGHT...W winds 20 to 25 kt. Seas 5 to 8 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-100700- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and NE 1 foot at 3 seconds. .TONIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 3 to 5 ft, building to 5 to 8 ft after midnight. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at 5 seconds, becoming SW 8 ft at 7 seconds and W 1 foot at 4 seconds. .WED...SW winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to 8 ft, building to 9 to 12 ft in the afternoon. Wave Detail: SW 8 ft at 7 seconds and W 1 foot at 4 seconds, becoming SW 12 ft at 8 seconds and E 1 foot at 9 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 25 to 30 kt with gusts up to 40 kt. Seas 9 to 12 ft. Wave Detail: SW 12 ft at 9 seconds and W 2 ft at 4 seconds. Rain likely, mainly in the evening. .THU...W winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 9 seconds and NW 3 ft at 4 seconds. .THU NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 8 ft. Wave Detail: SW 8 ft at 9 seconds and NW 4 ft at 5 seconds. .FRI...W winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. .FRI NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. .SAT...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of rain. .SAT NIGHT...W winds 20 to 25 kt. Seas 5 to 7 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. $$ ANZ232-100700- Nantucket Sound- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 5 seconds. .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and NE 1 foot at 5 seconds. .WED...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SW 3 ft at 5 seconds and NE 1 foot at 5 seconds, becoming SW 5 ft at 5 seconds and E 1 foot at 9 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 8 seconds and SW 3 ft at 4 seconds. A chance of rain. .THU...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 4 seconds and SW 3 ft at 9 seconds. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 4 seconds and SW 3 ft at 9 seconds. .FRI...W winds 25 to 30 kt with gusts up to 35 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 20 to 25 kt. Seas 2 to 4 ft. .SAT...W winds 15 to 20 kt. Seas 2 to 4 ft. A chance of rain. .SAT NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-100700- Vineyard Sound- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and NE 1 foot at 4 seconds. .TONIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 5 seconds and NE 1 foot at 5 seconds. .WED...SW winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Seas 4 to 6 ft, building to 5 to 8 ft in the afternoon. Wave Detail: SW 6 ft at 7 seconds and SW 1 foot at 4 seconds, becoming SW 8 ft at 8 seconds and SW 1 foot at 4 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: SW 8 ft at 9 seconds and SW 2 ft at 4 seconds, becoming SW 7 ft at 9 seconds and W 2 ft at 4 seconds. A chance of rain. .THU...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft, subsiding to 4 to 5 ft in the afternoon. Wave Detail: SW 6 ft at 9 seconds and W 2 ft at 4 seconds, becoming SW 5 ft at 9 seconds and W 2 ft at 4 seconds. .THU NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 9 seconds and W 3 ft at 5 seconds. .FRI...W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT...W winds 15 to 20 kt. Seas 2 to 4 ft. A chance of rain and snow. .SAT NIGHT...W winds 15 to 20 kt. Seas 3 to 5 ft. A chance of rain and snow. 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. $$ ANZ234-100700- Buzzards Bay- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 4 seconds. .TONIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and NE 1 foot at 5 seconds. .WED...SW winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and SW 1 foot at 4 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 25 to 30 kt, becoming W 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 8 seconds and SW 2 ft at 4 seconds. A chance of rain. Patchy fog in the evening. .THU AND THU NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 9 seconds and W 3 ft at 5 seconds. .FRI AND FRI NIGHT...W winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 8 seconds and W 3 ft at 4 seconds. .SAT AND SAT NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 2 to 3 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-100700- Rhode Island Sound- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 3 seconds. .TONIGHT...SW winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 4 ft at 5 seconds and NE 1 foot at 5 seconds, becoming SW 6 ft at 7 seconds and SW 1 foot at 4 seconds. .WED...SW winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 5 to 7 ft, building to 6 to 9 ft in the afternoon. Wave Detail: SW 7 ft at 7 seconds and SW 1 foot at 4 seconds, becoming SW 9 ft at 8 seconds and SW 1 foot at 3 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 25 to 30 kt, becoming W 20 to 25 kt after midnight. Seas 7 to 10 ft. Wave Detail: SW 10 ft at 9 seconds and W 2 ft at 5 seconds. A chance of rain. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 5 to 8 ft. Wave Detail: SW 8 ft at 9 seconds and W 2 ft at 4 seconds. .THU NIGHT...W winds 25 to 30 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 10 seconds and W 3 ft at 5 seconds. .FRI...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain and snow. 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. $$ ANZ237-100700- Block Island Sound- 105 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at 3 seconds. .TONIGHT...SW winds 20 to 25 kt. Gusts up to 35 kt after midnight. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave Detail: SW 3 ft at 4 seconds and NE 1 foot at 3 seconds, becoming SW 4 ft at 5 seconds and SE 1 foot at 9 seconds. .WED...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft, building to 5 to 8 ft in the afternoon. Wave Detail: S 5 ft at 7 seconds and W 2 ft at 4 seconds, becoming S 8 ft at 8 seconds and W 2 ft at 5 seconds. A chance of rain in the afternoon. .WED NIGHT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. Wave Detail: S 8 ft at 9 seconds and W 4 ft at 5 seconds. A chance of rain. Patchy fog in the evening. .THU...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 6 ft at 10 seconds and W 4 ft at 5 seconds. .THU NIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 4 ft at 5 seconds and S 4 ft at 9 seconds. .FRI...W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain and snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-100700- Boston Harbor- 105 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of snow after midnight. .WED...SW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. Rain likely in the afternoon. .WED NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. Rain likely, mainly in the evening. Patchy fog in the evening. .THU AND THU NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. .FRI THROUGH SAT...SW winds 20 to 25 kt with gusts up to 30 kt. Waves around 2 ft. .SAT NIGHT...W winds 10 to 15 kt. Waves around 2 ft. A chance of snow. 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. $$ ANZ236-100700- Narragansett Bay- 105 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING THROUGH LATE WEDNESDAY NIGHT... .THIS AFTERNOON...SW winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 4 ft. .WED...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Waves 2 to 4 ft, building to 4 to 6 ft in the afternoon. A chance of rain in the afternoon. .WED NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. A chance of rain. Patchy fog in the evening. .THU AND THU NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. .FRI THROUGH SAT...W winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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