Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 160753 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 353 AM EDT Tue Jul 16 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-162015- 353 AM EDT Tue Jul 16 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build S of the waters today. A warm front will cross the waters early Wed. A cold front, along with the remnants of Barry, will push E Wed afternoon through Thu bringing showers and scattered thunderstorms. Showers may linger across the waters into Fri. Dry conditions return late Fri and Sat. 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. $$ ANZ250-162015- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 353 AM EDT Tue Jul 16 2019 .TODAY...W winds around 5 kt, becoming S this afternoon. Seas around 2 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-162015- Massachusetts Bay and Ipswich Bay- 353 AM EDT Tue Jul 16 2019 .TODAY...W winds around 5 kt, becoming SE this afternoon. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. .WED NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT...W winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. 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. $$ ANZ231-162015- Cape Cod Bay- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds around 5 kt, becoming S this afternoon. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...NE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...SW winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-162015- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...W winds around 10 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 5 to 10 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. $$ ANZ255-162015- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds around 10 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...W winds around 5 kt, becoming E in the afternoon. Seas 2 to 3 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...W winds around 10 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-162015- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 3 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...SW winds around 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .FRI NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. .SAT...W winds around 10 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 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. $$ ANZ232-162015- Nantucket Sound- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...N winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-162015- Vineyard Sound- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...N winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...E winds around 5 kt. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...W winds around 10 kt. Seas around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 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. $$ ANZ234-162015- Buzzards Bay- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...N winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...E winds around 5 kt. Seas 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-162015- Rhode Island Sound- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...N winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 5 to 10 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. $$ ANZ237-162015- Block Island Sound- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...NE winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-162015- Boston Harbor- 353 AM EDT Tue Jul 16 2019 .TODAY...W winds around 5 kt, becoming SE around 5 kt this afternoon. Waves 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED...SW winds 5 to 10 kt. Waves 1 foot or less. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. .WED NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...NE winds 5 to 10 kt. Waves around 2 ft. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...E winds around 5 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .SAT...W winds around 5 kt. Waves 1 foot or less. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. Winds and waves 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. $$ ANZ236-162015- Narragansett Bay- 353 AM EDT Tue Jul 16 2019 .TODAY...SW winds around 5 kt, becoming S this afternoon. Waves 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .WED...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU...N winds around 5 kt, becoming E in the afternoon. Waves around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .THU NIGHT...NE winds around 5 kt. Waves around 2 ft. Patchy fog. Showers likely with a chance of tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .FRI...W winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .SAT...W winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston

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