Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 170516 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 AM EDT Sun Jun 17 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-171800- 116 AM EDT Sun Jun 17 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres builds over the waters tonight into Sunday, shifting fully east on Monday. A cold front will cross the waters sometime Mon night or Tue. The front then may washout over the region on Wed. 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. $$ ANZ250-171800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .SUN...N winds around 5 kt, becoming E around 5 kt in the afternoon. Seas around 2 ft. .SUN NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers and tstms. .TUE...N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. .THU...NE winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...S winds around 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-171800- Massachusetts Bay and Ipswich Bay- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds around 5 kt. Seas 1 foot or less. .SUN...N winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .MON 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. A chance of showers and tstms. .TUE...N winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds around 5 kt. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...NE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SE 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. $$ ANZ231-171800- Cape Cod Bay- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds around 5 kt. Seas 1 foot or less. .SUN...NW winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. A chance of showers and tstms. .TUE...NW winds 5 to 10 kt with gusts up to 20 kt, becoming N in the afternoon. Seas around 2 ft. A chance of showers. .TUE NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. .WED...SW winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...NE winds 5 to 10 kt. Seas 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-171800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE...W winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...N winds around 5 kt. Seas 2 to 4 ft. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SE winds 5 to 10 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. $$ ANZ255-171800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. .MON NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers. .TUE...W winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds around 5 kt. Seas 2 to 4 ft. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-171800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. .TUE...W winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 3 to 4 ft. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SE winds 5 to 10 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. $$ ANZ232-171800- Nantucket Sound- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds around 5 kt. Seas 1 foot or less. .SUN...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. .MON NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft. A chance of showers. .TUE...W winds around 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...E winds around 5 kt, becoming N after midnight. Seas 1 foot or less. .WED...SE winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...NE winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-171800- Vineyard Sound- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .SUN...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. .TUE...W winds around 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. .WED...SE winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SE winds 5 to 10 kt. Seas 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. $$ ANZ234-171800- Buzzards Bay- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds around 5 kt. Seas 1 foot or less. .SUN...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .TUE NIGHT...SE winds around 5 kt, becoming N around 5 kt after midnight. Seas around 2 ft. .WED...SE winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...S winds 5 to 10 kt. Seas 1 foot or less. .THU NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-171800- Rhode Island Sound- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .MON NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .TUE...NW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas around 3 ft. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SE winds 5 to 10 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. $$ ANZ237-171800- Block Island Sound- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .SUN...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...NE winds around 5 kt. Seas 2 to 3 ft. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...SW winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-171800- Boston Harbor- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds around 5 kt. Waves 1 foot or less. .SUN...N winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .SUN NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Gusts up to 25 kt in the evening. Waves around 2 ft. A chance of showers and tstms. .TUE...N winds around 5 kt. Waves 1 foot or less. .TUE NIGHT...NW winds around 5 kt. Waves 1 foot or less. .WED...W winds around 5 kt. Waves 1 foot or less. .WED NIGHT...SW winds around 5 kt. Waves 1 foot or less. .THU...NE winds around 5 kt. Waves 1 foot or less. .THU NIGHT...SE 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. $$ ANZ236-171800- Narragansett Bay- 116 AM EDT Sun Jun 17 2018 .REST OF TONIGHT...W winds around 5 kt. Waves around 2 ft. .SUN...NW winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Waves 2 to 4 ft. A chance of showers and tstms. .TUE...NW winds 5 to 10 kt. Waves 2 to 4 ft. A chance of showers. .TUE NIGHT...NE winds around 5 kt. Waves 2 to 3 ft. .WED...SE winds 5 to 10 kt. Waves around 2 ft. .WED NIGHT...SW winds around 5 kt. Waves around 2 ft. .THU...W winds around 5 kt. Waves around 2 ft. .THU NIGHT...SE winds around 5 kt. Waves 1 foot or less. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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