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 Mon Jul 15 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-160600- 116 PM EDT Mon Jul 15 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build over the waters through Tuesday, followed by a warm front with associated showers Wednesday. A cold front will approach the waters 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. $$ ANZ250-160600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...S winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-160600- Massachusetts Bay and Ipswich Bay- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...W winds around 5 kt. Seas 1 foot or less. .TUE...W winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. .TUE NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...S winds around 5 kt. Seas 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI 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. $$ ANZ231-160600- Cape Cod Bay- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...W winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...S winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-160600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. .THU...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. .FRI...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ255-160600- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. .THU...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. .FRI...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-160600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas around 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. $$ ANZ232-160600- Nantucket Sound- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...W winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. .FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-160600- Vineyard Sound- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...SW winds around 10 kt. Seas 1 foot or less. .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...W winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED...SW winds around 10 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. .THU...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. .FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 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. $$ ANZ234-160600- Buzzards Bay- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...SW winds around 10 kt. Seas 1 foot or less. .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .TUE...W winds around 5 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-160600- Rhode Island Sound- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...SW winds around 10 kt. Seas around 2 ft. .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 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. $$ ANZ237-160600- Block Island Sound- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...SW winds 10 to 15 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-160600- Boston Harbor- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .TUE...W winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. .WED NIGHT...SW winds around 5 kt. Waves 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...S winds around 5 kt. Waves 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT...SW 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. $$ ANZ236-160600- Narragansett Bay- 116 PM EDT Mon Jul 15 2019 .THIS AFTERNOON...W winds 5 to 10 kt. Waves around 2 ft. .TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves around 2 ft. .TUE...W winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. .TUE NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. .WED...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .THU NIGHT...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Waves around 2 ft. .FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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