Coastal Waters Forecast
Issued by NWS Boston, MA

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814 FZUS51 KBOX 160617 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 116 AM EST Tue Jan 16 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-161900- 116 AM EST Tue Jan 16 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Large high pres will move east across Quebec tonight resulting in brisk N-NE winds and scattered freezing spray. A developing coastal low pres system will cross the waters late Tue into Wed. Another high will build to the south of the waters Thu into Fri. 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. $$ ANZ250-161900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 8 ft. A chance of snow with patchy freezing drizzle. .TUE...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 5 to 8 ft. .TUE NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 4 to 6 ft. Snow likely. Vsby 1 NM or less. .WED...SE winds 5 to 10 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Snow and rain. Vsby 1 NM or less. .WED NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of snow. .THU...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-161900- Massachusetts Bay and Ipswich Bay- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. A chance of snow with patchy freezing drizzle. .TUE...N winds 5 to 10 kt, becoming S in the afternoon. Seas 4 to 7 ft. .TUE NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Snow likely. Vsby 1 NM or less. .WED...E winds 5 to 10 kt, becoming N in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Snow. Vsby 1 NM or less. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of snow. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 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. $$ ANZ231-161900- Cape Cod Bay- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST EARLY THIS MORNING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow with patchy freezing drizzle. .TUE...N winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds around 5 kt, becoming SE with gusts up to 20 kt after midnight. Seas around 2 ft. Snow likely. .WED...E winds 5 to 10 kt, becoming N in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Rain and snow. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-161900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 8 ft. A slight chance of snow. .TUE...N winds 5 to 10 kt with gusts up to 20 kt, becoming SE in the afternoon. Seas 5 to 8 ft. .TUE NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 4 to 6 ft. Snow likely with a chance of rain. .WED...E winds 10 to 15 kt, becoming NE in the afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. Rain likely with snow. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 5 to 7 ft. A chance of snow and rain. .THU...NW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT 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. $$ ANZ255-161900- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Rain and snow likely. Vsby 1 to 3 NM. .WED...E winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. Rain and snow likely. Vsby 1 NM or less. .WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt, increasing to 30 kt after midnight. Seas 4 to 7 ft. A chance of snow and rain. .THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...W winds around 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-161900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 4 to 6 ft. Rain likely. .WED...NE winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. Rain and snow likely. Vsby 1 to 3 NM. .WED NIGHT...NW winds 15 to 20 kt. Gusts up to 30 kt after midnight. Seas 5 to 7 ft. A chance of snow. .THU...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .THU NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...W winds 15 to 20 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. $$ ANZ232-161900- Nantucket Sound- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST EARLY THIS MORNING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A slight chance of snow. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SE winds around 5 kt, increasing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Snow and rain likely. .WED...E winds 5 to 10 kt, becoming N in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Rain and snow. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of snow. .THU...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-161900- Vineyard Sound- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST EARLY THIS MORNING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. .TUE NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Snow and rain likely. .WED...E winds around 10 kt with gusts up to 30 kt, becoming N with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Rain and snow. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of snow. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU NIGHT...W winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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. $$ ANZ234-161900- Buzzards Bay- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST EARLY THIS MORNING... .REST OF TONIGHT...N winds 5 to 10 kt. Seas 1 foot or less. A slight chance of snow. .TUE...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 foot or less. .TUE NIGHT...SE winds around 5 kt, increasing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 1 foot or less. Snow and rain likely. Vsby 1 to 3 NM. .WED...NE winds 5 to 10 kt, becoming N in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Snow and rain. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of snow. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-161900- Rhode Island Sound- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST EARLY THIS MORNING... .REST OF TONIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SE winds 5 to 10 kt. Gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain and snow likely. .WED...NE winds 10 to 15 kt with gusts up to 30 kt, becoming N 5 to 10 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Rain and snow. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of snow. .THU...NW winds 10 to 15 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 15 to 20 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. $$ ANZ237-161900- Block Island Sound- 116 AM EST Tue Jan 16 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST EARLY THIS MORNING... .REST OF TONIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Rain and snow likely. .WED...NE winds 5 to 10 kt with gusts up to 30 kt, becoming N with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Rain and snow. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of snow. .THU...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-161900- Boston Harbor- 116 AM EST Tue Jan 16 2018 .REST OF TONIGHT...N winds 5 to 10 kt. Waves 1 foot or less, except 3 to 5 ft at the outer harbor entrance. A chance of snow. .TUE...N winds 5 to 10 kt, becoming W in the afternoon. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .TUE NIGHT...S winds around 5 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. Snow likely. Vsby 1 NM or less. .WED...NE winds around 5 kt, becoming N in the afternoon. Waves 2 to 3 ft. Snow. Vsby 1 NM or less. .WED NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. A chance of snow. .THU...W winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .FRI...W winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .SAT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. 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. $$ ANZ236-161900- Narragansett Bay- 116 AM EST Tue Jan 16 2018 .REST OF TONIGHT...N winds 5 to 10 kt. Waves around 2 ft. .TUE...N winds 5 to 10 kt, becoming SE in the afternoon. Waves around 2 ft. .TUE NIGHT...SE winds around 5 kt, becoming E after midnight. Waves around 2 ft. Snow likely. Vsby 1 to 3 NM. .WED...N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 2 to 3 ft. Snow and rain. Vsby 1 to 3 NM. .WED NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of snow. .THU...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .FRI...W winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .FRI NIGHT...W winds 5 to 10 kt. Waves around 2 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SAT NIGHT...W winds around 10 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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