Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 152316 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 PM EDT Mon Jul 15 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-161200- 716 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. $$ ANZ250-161200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...W winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Showers likely with a chance of tstms. .THU...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. A chance of showers. .FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-161200- Massachusetts Bay and Ipswich Bay- 716 PM EDT Mon Jul 15 2019 .TONIGHT...W winds around 5 kt. Seas around 2 ft. .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 2 to 3 ft. .WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Showers likely with a chance of tstms. .THU...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. A chance of showers. .FRI...S 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. .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. $$ ANZ231-161200- Cape Cod Bay- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE...W winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 1 foot or less. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 1 foot or less. Showers likely with a chance of tstms. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Showers likely with a chance of tstms. .THU NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 1 foot or less. A chance of showers. .FRI...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. .SAT...W winds 10 to 15 kt. Seas around 2 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-161200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 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 with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Showers likely with a chance of tstms. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Showers likely with a chance of tstms. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...SW winds 5 to 10 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 4 ft. .SAT...W winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...W 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. $$ ANZ255-161200- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas around 2 ft. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Showers likely with a chance of tstms. .THU...W winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Showers likely with a chance of tstms. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...W winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-161200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas 2 to 3 ft. .TUE...SW winds 5 to 10 kt, increasing to 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 3 to 4 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. Showers likely with a chance of tstms. .THU...SW winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .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 3 to 4 ft. .SAT...W winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 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. $$ ANZ232-161200- Nantucket Sound- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas 1 foot or less. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Showers likely with a chance of tstms. .THU...N winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas 1 foot or less. Showers likely with a chance of tstms. .THU NIGHT...S winds around 5 kt. Seas 1 foot or less. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-161200- Vineyard Sound- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas 1 foot or less. .TUE...SW winds around 5 kt, increasing to 10 to 15 kt in the afternoon. Seas 1 foot or less. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 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 2 ft. Showers likely with a chance of tstms. .THU...N winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft. Showers likely with a chance of tstms. .THU NIGHT...S winds around 5 kt. Seas around 2 ft. A chance of showers. .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. .SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...W 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. $$ ANZ234-161200- Buzzards Bay- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas 1 foot or less. .TUE...SW winds around 5 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Showers likely with a chance of tstms. .THU...NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas 1 foot or less. Showers likely with a chance of tstms. .THU NIGHT...S winds around 5 kt. Seas 1 foot or less. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. .SAT...W winds 10 to 15 kt. Seas around 2 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-161200- Rhode Island Sound- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas around 2 ft. .TUE...SW winds around 5 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .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. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Showers likely with a chance of tstms. .THU...W winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas around 2 ft. Showers likely with a chance of tstms. .THU NIGHT...S winds around 5 kt. Seas around 2 ft. A chance of showers. .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. .SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...W 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. $$ ANZ237-161200- Block Island Sound- 716 PM EDT Mon Jul 15 2019 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas around 2 ft. .TUE...SW winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Showers likely with a chance of tstms. .THU...W winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. A chance of showers. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .SAT...W winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-161200- Boston Harbor- 716 PM EDT Mon Jul 15 2019 .TONIGHT...NW winds 5 to 10 kt, becoming W after midnight. 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 5 to 10 kt. Waves 1 foot or less. A chance of showers. .WED NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. Showers likely with a chance of tstms. .THU...NE winds 5 to 10 kt. Waves 1 foot or less. Showers likely with a chance of tstms. .THU NIGHT...E winds 5 to 10 kt, becoming S after midnight. Waves 1 foot or less. A chance of showers. .FRI...S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .SAT...W winds 5 to 10 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. $$ ANZ236-161200- Narragansett Bay- 716 PM EDT Mon Jul 15 2019 .TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt, becoming SW after midnight. Waves around 2 ft. .TUE...SW winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. .TUE NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves around 2 ft. A chance of showers. .WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Showers likely with a chance of tstms. .THU...N winds around 5 kt, becoming SE around 5 kt in the afternoon. Waves around 2 ft. Showers likely with a chance of tstms. .THU NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance of showers. .FRI...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .SAT...W winds 10 to 15 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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