Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 151716 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 PM EDT Sun Jul 15 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-160600- 116 PM EDT Sun Jul 15 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will be south of the waters this afternoon. South to southwest winds will increase Mon night and Tue ahead of an approaching cold front from the west. The cold front will sweep across the waters Tue night through early Wed. High pres will follow for Wed and 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. $$ ANZ250-160600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SE winds around 5 kt. Seas 2 to 4 ft. .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .MON...SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .TUE...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .THU...N winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-160600- Massachusetts Bay and Ipswich Bay- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SE winds around 5 kt. Seas around 2 ft. .TONIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .MON...SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Areas of fog. Tstms likely with a chance of showers. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .THU...NE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW 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. $$ ANZ231-160600- Cape Cod Bay- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SE winds around 5 kt. Seas around 2 ft. .TONIGHT...S winds around 5 kt. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt. Seas around 2 ft. Showers and tstms likely. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .THU...NE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-160600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...S winds around 5 kt. Seas 2 to 4 ft. .TONIGHT...S winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Areas of fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .THU...N winds 5 to 10 kt. Seas 3 to 5 ft. .THU NIGHT...SW 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. $$ ANZ255-160600- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SW winds around 5 kt. Seas 2 to 4 ft. .TONIGHT...SW winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .MON...S winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 3 to 5 ft. Areas of fog. Vsby 1 to 3 NM. .TUE...SW winds 15 to 20 kt. Seas 3 to 5 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. Areas of fog. Showers and tstms likely. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft. .THU...NE winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...S winds around 5 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-160600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 15 to 20 kt. Seas around 5 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt. Seas 4 to 6 ft. A chance of showers and tstms. Some tstms may produce heavy rainfall. .WED NIGHT...NW winds 5 to 10 kt. Seas 4 to 6 ft. .THU...E winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...S winds around 5 kt. Seas around 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. $$ ANZ232-160600- Nantucket Sound- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...S winds around 5 kt. Seas around 2 ft. .TONIGHT...S winds around 5 kt. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Areas of fog. Showers and tstms likely. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU...NE winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds around 5 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-160600- Vineyard Sound- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. Areas of fog. Vsby 1 to 3 NM. .MON...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 3 ft. Areas of fog. Vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms likely. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU...E winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds around 5 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. $$ ANZ234-160600- Buzzards Bay- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. Areas of fog. Vsby 1 to 3 NM. .MON...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas around 2 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU...E winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds around 5 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-160600- Rhode Island Sound- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TUE 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. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers and tstms. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .THU...E winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW 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. $$ ANZ237-160600- Block Island Sound- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. .MON...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. .MON NIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM. .WED...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .THU...E winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-160600- Boston Harbor- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...E winds around 5 kt. Waves 1 foot or less. .TONIGHT...SE winds around 5 kt. Waves around 2 ft. Areas of fog. Vsby 1 NM or less. .MON...E winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. Areas of dense fog. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. Areas of fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. .WED...NW winds around 5 kt. Waves 1 foot or less. A chance of showers and tstms. Some tstms may produce heavy rainfall. .WED NIGHT...N winds around 5 kt. Waves 1 foot or less. .THU...NE winds around 5 kt. Waves 1 foot or less. .THU NIGHT...SW winds around 5 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. $$ ANZ236-160600- Narragansett Bay- 116 PM EDT Sun Jul 15 2018 .THIS AFTERNOON...S winds 5 to 10 kt. Waves around 2 ft. Isolated showers. .TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Waves around 2 ft. .MON...SE winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Areas of fog. Vsby 1 NM or less. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Areas of fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .TUE NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Waves 2 to 3 ft. Areas of fog. Showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .WED...NW winds around 5 kt. Waves 2 to 3 ft. A chance of showers and tstms. Some tstms may produce heavy rainfall. .WED NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. .THU...E winds around 5 kt. Waves around 2 ft. .THU NIGHT...SW winds around 5 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates, please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston

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