Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 101216 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 AM EST Sat Nov 10 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-110100- 716 AM EST Sat Nov 10 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pressure lifting northeast into Canada behind which westerly winds will remain blustery with potential gusts up to 40 kts through early Sunday. Thereafter, high pressure and calmer conditions proceed through Monday. Another coastal Gale is possible Tuesday however this low may track inland. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$ ANZ250-110100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt this afternoon. Seas around 11 ft, subsiding to 8 ft this afternoon. Patchy fog this morning. .TONIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas around 8 ft. .SUN...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 8 ft, subsiding to 6 ft in the afternoon. .SUN NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft. .MON...SW winds 5 to 10 kt. Seas around 3 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Gusts up to 45 kt. Seas around 8 ft, building to 10 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 9 to 10 ft. Rain likely, mainly in the evening. .WED...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas around 9 ft. .WED NIGHT...W winds 25 to 30 kt with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 7 to 8 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-110100- Massachusetts Bay and Ipswich Bay- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt this afternoon. Seas around 10 ft, subsiding to 6 ft this afternoon. A slight chance of showers this morning. .TONIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 5 ft. .SUN...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 4 ft. .SUN NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 5 to 6 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after midnight. Gusts up to 25 kt. Seas around 6 ft. Rain likely, mainly in the evening. .WED...W winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 5 ft. .WED NIGHT...W winds 15 to 20 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. $$ ANZ231-110100- Cape Cod Bay- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 30 kt, increasing to 35 kt this afternoon. Seas around 5 ft. A slight chance of showers this morning. .TONIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas around 5 ft. .SUN...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 4 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .MON...W winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas around 2 ft. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas 4 to 5 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 5 ft. Rain likely, mainly in the evening. .WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 5 ft. .WED NIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 4 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-110100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 20 to 25 kt, increasing to 25 to 30 kt this afternoon. Gusts up to 35 kt, increasing to 40 kt this afternoon. Seas 9 to 10 ft. A slight chance of showers this morning. .TONIGHT...W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 8 to 9 ft. .SUN...NW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 8 ft, subsiding to 6 ft in the afternoon. .SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 5 ft. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft. .MON NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 3 to 4 ft. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Gusts up to 45 kt. Seas around 8 ft, building to 12 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 11 to 12 ft. Rain likely, mainly in the evening with vsby 1 to 3 NM. .WED...W winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas 10 to 11 ft. A chance of showers in the morning. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 40 kt. Seas 8 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. $$ ANZ255-110100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 20 to 25 kt, increasing to 25 to 30 kt this afternoon. Gusts up to 35 kt, increasing to 40 kt this afternoon. Seas around 10 ft. A slight chance of showers this morning. .TONIGHT...W winds 25 to 30 kt, becoming NW 20 to 25 kt after midnight. Seas 9 to 10 ft. .SUN...NW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 8 ft, subsiding to 6 ft in the afternoon. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 3 ft. .MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming SE 15 to 20 kt with gusts up to 30 kt after midnight. Seas around 3 ft, building to 5 ft after midnight. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas around 9 ft, building to 12 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas around 13 ft. Rain likely, mainly in the evening with vsby 1 to 3 NM. .WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas 10 to 11 ft. A chance of showers in the morning. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas around 10 ft, subsiding to 8 ft after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-110100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 25 to 30 kt with gusts up to 35 kt. Seas around 10 ft. A slight chance of showers this morning. .TONIGHT...W winds 25 to 30 kt, becoming NW 20 to 25 kt after midnight. Seas around 10 ft, subsiding to 8 ft after midnight. .SUN...NW winds 20 to 25 kt with gusts up to 30 kt, becoming W around 15 kt with gusts up to 20 kt in the afternoon. Seas around 7 ft, subsiding to 5 ft in the afternoon. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SE 15 to 20 kt with gusts up to 30 kt after midnight. Seas 3 to 4 ft. Rain. Vsby 1 to 3 NM after midnight. .TUE...SE winds 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas around 8 ft, building to 12 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas 12 to 13 ft. Rain likely, mainly in the evening. .WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 11 ft, subsiding to 9 ft in the afternoon. A chance of showers in the morning. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas around 9 ft, subsiding to 7 ft after midnight. 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. $$ ANZ232-110100- Nantucket Sound- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 20 to 25 kt with gusts up to 40 kt. Seas around 5 ft. A slight chance of showers this morning. .TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 5 ft. .SUN...NW winds 15 to 20 kt with gusts up to 35 kt, becoming W 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 30 kt after midnight. Seas 2 to 3 ft. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 20 to 25 kt with gusts up to 40 kt. Seas around 5 ft, building to 7 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 7 ft. Rain likely, mainly in the evening. .WED...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 6 ft. .WED NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-110100- Vineyard Sound- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 5 ft. A slight chance of showers this morning. .TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 5 ft. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas around 2 ft. .MON...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas around 5 ft, building to 7 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 7 ft. Rain likely, mainly in the evening. .WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 6 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 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. $$ ANZ234-110100- Buzzards Bay- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 35 kt. Seas around 5 ft. A slight chance of showers this morning. .TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 3 to 4 ft. .SUN...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas around 2 ft in the evening, then 1 foot or less. .MON...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. .MON NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas around 2 ft. A chance of rain in the evening, then rain after midnight. .TUE...S winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 5 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft. Rain likely, mainly in the evening with vsby 1 to 3 NM. .WED...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-110100- Rhode Island Sound- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 8 ft. A slight chance of showers this morning. .TONIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 7 ft. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 5 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming SE 10 to 15 kt with gusts up to 30 kt after midnight. Seas around 3 ft. A chance of rain in the evening, then rain after midnight. .TUE...S winds 20 to 25 kt with gusts up to 35 kt. Seas around 6 ft, building to 9 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 10 ft. Rain likely, mainly in the evening. .WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 8 ft. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around 7 ft, subsiding to 5 ft after midnight. 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. $$ ANZ237-110100- Block Island Sound- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 20 to 25 kt with gusts up to 35 kt. Seas around 7 ft. A slight chance of showers this morning. .TONIGHT...W winds 20 to 25 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 6 ft. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. A chance of rain in the evening, then rain after midnight with vsby 1 to 3 NM. .TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft, building to 8 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 9 ft. Rain likely, mainly in the evening. .WED...W winds 20 to 25 kt with gusts up to 30 kt. Seas around 8 ft, subsiding to 6 ft in the afternoon. .WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-110100- Boston Harbor- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING... .TODAY...W winds 15 to 20 kt, increasing to 20 to 25 kt this afternoon. Gusts up to 30 kt, increasing to 35 kt this afternoon. Waves around 2 ft. At the outer harbor entrance, waves around 9 ft, subsiding to 4 ft this afternoon. A slight chance of showers this morning. .TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 40 kt. Waves around 2 ft. .SUN...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves around 2 ft. .SUN NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Waves around 2 ft in the evening, then 1 foot or less. .MON...SW winds around 5 kt. Waves 1 foot or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 10 to 15 kt with gusts up to 30 kt. Waves around 3 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Rain likely, mainly in the evening. .WED...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Waves around 2 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up 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. $$ ANZ236-110100- Narragansett Bay- 716 AM EST Sat Nov 10 2018 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Waves around 5 ft, subsiding to 3 ft this afternoon. A slight chance of showers this morning. .TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 35 kt. Waves around 3 ft. .SUN...W winds 10 to 15 kt. Gusts up to 30 kt. Waves 2 to 3 ft. .SUN NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft in the evening, then 1 foot or less. .MON...W winds around 5 kt, becoming SW in the afternoon. Waves 1 foot or less. .MON NIGHT...S winds 5 to 10 kt, becoming SE with gusts up to 20 kt after midnight. Waves around 2 ft. A chance of rain in the evening, then rain after midnight. .TUE...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves 4 to 5 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 5 ft, subsiding to 3 ft after midnight. At the bay entrance, waves around 7 ft. Rain likely, mainly in the evening. .WED...W winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft, except 5 to 6 ft at the bay entrance. .WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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