Coastal Waters Forecast
Issued by NWS Boston, MA

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223 FZUS51 KBOX 220807 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 407 AM EDT Sun Oct 22 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-222115- 407 AM EDT Sun Oct 22 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Strong high pressure will move east of New England today. Local seabreezes develop by mid morning. A strong cold front approaches from the west late Tuesday, then lingers around the region into Thu. 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. $$ ANZ250-222115- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 407 AM EDT Sun Oct 22 2017 .TODAY...NE winds around 5 kt, becoming E this afternoon. Seas 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. A chance of showers. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. Showers. .WED...S winds 20 to 25 kt with gusts up to 40 kt. Seas 8 to 11 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft. Showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt with gusts up to 25 kt. Seas 6 to 9 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-222115- Massachusetts Bay and Ipswich Bay- 407 AM EDT Sun Oct 22 2017 .TODAY...N winds around 5 kt, becoming NE this afternoon. Seas 2 to 3 ft. .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. .TUE...S winds 15 to 20 kt. Gusts up to 30 kt, increasing to 40 kt in the afternoon. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 40 kt. Seas 4 to 7 ft. Showers. .WED...S winds 15 to 20 kt with gusts up to 40 kt. Seas 4 to 7 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 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. $$ ANZ231-222115- Cape Cod Bay- 407 AM EDT Sun Oct 22 2017 .TODAY...W winds around 5 kt, becoming S this afternoon. Seas 1 foot or less. .TONIGHT...S winds around 5 kt. Seas 1 foot or less. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...S winds 15 to 20 kt. Gusts up to 30 kt, increasing to 40 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...S winds around 20 kt with gusts up to 40 kt. Seas 3 to 4 ft. Showers. .WED...S winds 15 to 20 kt with gusts up to 40 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-222115- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 407 AM EDT Sun Oct 22 2017 .TODAY...S winds around 5 kt. Seas 2 to 3 ft. .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE...S winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to 10 ft. Showers. .WED...S winds 20 to 25 kt with gusts up to 40 kt. Seas 9 to 12 ft, except 11 to 16 ft S and E of Nantucket. Showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 8 to 11 ft. Showers. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt with gusts up to 25 kt. Seas 7 to 10 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 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. $$ ANZ255-222115- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 407 AM EDT Sun Oct 22 2017 .TODAY...SW winds around 5 kt. Seas 2 to 3 ft. .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE...S winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 5 to 8 ft. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 40 kt. Seas 8 to 11 ft. Showers. .WED...S winds 20 to 25 kt with gusts up to 40 kt. Seas 10 to 15 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 9 to 12 ft. Showers. Vsby 1 to 3 NM. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 8 to 10 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-222115- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 407 AM EDT Sun Oct 22 2017 .TODAY...SW winds around 5 kt. Seas 2 to 3 ft. .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE...S winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. A chance of showers. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 40 kt. Seas 9 to 11 ft. Showers. .WED...S winds 20 to 25 kt with gusts up to 40 kt. Seas 9 to 13 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds around 10 kt with gusts up to 25 kt. Seas 9 to 12 ft. Showers likely. Vsby 1 to 3 NM. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 8 to 10 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 7 to 10 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. $$ ANZ232-222115- Nantucket Sound- 407 AM EDT Sun Oct 22 2017 .TODAY...S winds around 5 kt. Seas 1 foot or less. .TONIGHT...S winds around 5 kt. Seas 1 foot or less. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE...S winds 15 to 20 kt. Gusts up to 30 kt, increasing to 40 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 40 kt. Seas 3 to 5 ft. Showers. .WED...S winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-222115- Vineyard Sound- 407 AM EDT Sun Oct 22 2017 .TODAY...SW winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...S winds around 5 kt. Seas 1 foot or less. .MON...S winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE...S 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 5 ft. A chance of showers. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. Showers. .WED...S winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 6 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 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. $$ ANZ234-222115- Buzzards Bay- 407 AM EDT Sun Oct 22 2017 .TODAY...W winds around 5 kt, becoming SW this afternoon. Seas 1 foot or less. .TONIGHT...S winds around 5 kt. Seas 1 foot or less. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 1 foot or less. .MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...S winds 15 to 20 kt. Gusts up to 30 kt, increasing to 40 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 40 kt. Seas 3 to 5 ft. Showers. .WED...S winds 15 to 20 kt with gusts up to 40 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds around 10 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-222115- Rhode Island Sound- 407 AM EDT Sun Oct 22 2017 .TODAY...W winds around 5 kt, becoming SW this afternoon. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE...S winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft. A chance of showers. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 40 kt. Seas 8 to 11 ft. Showers. .WED...S winds 20 to 25 kt with gusts up to 40 kt. Seas 8 to 11 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 25 kt. Seas 7 to 10 ft. Showers likely. Vsby 1 to 3 NM. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 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. $$ ANZ237-222115- Block Island Sound- 407 AM EDT Sun Oct 22 2017 .TODAY...SW winds around 5 kt. Seas around 2 ft. .TONIGHT...S winds around 5 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .TUE...S winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 8 ft. A chance of showers. .TUE NIGHT...S winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to 10 ft. Showers. .WED...S winds 15 to 20 kt with gusts up to 40 kt. Seas 6 to 9 ft. Showers. Vsby 1 to 3 NM. .WED NIGHT...SW winds 5 to 10 kt with gusts up to 25 kt. Seas 6 to 9 ft. Showers likely. Vsby 1 to 3 NM. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-222115- Boston Harbor- 407 AM EDT Sun Oct 22 2017 .TODAY...N winds around 5 kt, becoming E this afternoon. Waves 1 foot or less. .TONIGHT...SE winds around 5 kt, becoming S after midnight. Waves 1 foot or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 foot or less. .MON NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. .TUE...S winds 10 to 15 kt. Gusts up to 30 kt, increasing to 40 kt in the afternoon. Waves around 2 ft. Showers likely. .TUE NIGHT...S winds around 15 kt with gusts up to 40 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. Showers. .WED...S winds 10 to 15 kt with gusts up to 35 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. Showers. Vsby 1 to 3 NM. .WED NIGHT...S winds around 5 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 5 to 10 kt with gusts up 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. $$ ANZ236-222115- Narragansett Bay- 407 AM EDT Sun Oct 22 2017 .TODAY...NW winds around 5 kt, becoming S 5 to 10 kt this afternoon. Waves around 2 ft. .TONIGHT...S winds around 5 kt. Waves around 2 ft. .MON...S winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. .TUE...S winds 15 to 20 kt with gusts up to 40 kt. Waves 4 to 6 ft. Showers likely. .TUE NIGHT...S winds 15 to 20 kt with gusts up to 40 kt. Waves 4 to 7 ft. Showers. .WED...S winds 15 to 20 kt with gusts up to 40 kt. Waves 4 to 6 ft, except 6 to 9 ft at the bay entrance. Showers. Vsby 1 to 3 NM. .WED NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves 4 to 6 ft. Showers likely. Vsby 1 to 3 NM. .THU...W winds 5 to 10 kt with gusts up to 20 kt. Waves 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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