Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 200232 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 1031 PM EDT Sat Aug 19 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-201500- 1031 PM EDT Sat Aug 19 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure will build over the waters through Tue, before a cold front approaches 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. $$ ANZ250-201500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .MON...W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-201500- Massachusetts Bay and Ipswich Bay- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds around 5 kt. Seas 1 foot or less. .MON...W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. Showers and tstms likely. .WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. .THU...N winds 5 to 10 kt. Seas 1 foot or less. .THU 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. $$ ANZ231-201500- Cape Cod Bay- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN...W winds around 5 kt. Seas 1 foot or less. .SUN NIGHT...W winds around 5 kt. Seas 1 foot or less. .MON...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .THU...N winds 5 to 10 kt. Seas 1 foot or less. .THU NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-201500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...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. .TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Seas 2 to 3 ft. .THU 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. $$ ANZ255-201500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. .THU...NW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-201500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds around 10 kt. Seas around 2 ft. .TUE...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. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU...NW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...NW 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. $$ ANZ232-201500- Nantucket Sound- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 NM or less. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .MON...W winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. .THU...NW winds 5 to 10 kt. Seas 1 foot or less. .THU NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-201500- Vineyard Sound- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. 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 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. .THU...NW winds 5 to 10 kt. Seas 1 foot or less. .THU 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. $$ ANZ234-201500- Buzzards Bay- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. .MON...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. .THU...NW winds 5 to 10 kt. Seas 1 foot or less. .THU NIGHT...W winds around 5 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-201500- Rhode Island Sound- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...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. .TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU...NW winds 5 to 10 kt. Seas around 2 ft. .THU 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. $$ ANZ237-201500- Block Island Sound- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .WED NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-201500- Boston Harbor- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...W winds around 5 kt. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...W winds around 5 kt. Waves 1 foot or less. .MON...SW winds around 5 kt. Waves 1 foot or less. .MON NIGHT...SW winds around 5 kt. Waves 1 foot or less. .TUE...SW winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT...SW winds around 10 kt. Waves 1 foot or less. Patchy fog. A chance of showers and tstms. .WED...SW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog. Showers and tstms likely. .WED NIGHT...W winds around 5 kt. Waves 1 foot or less. .THU...N winds around 5 kt. Waves 1 foot or less. .THU NIGHT...NE 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. $$ ANZ236-201500- Narragansett Bay- 1031 PM EDT Sat Aug 19 2017 .OVERNIGHT...W winds around 5 kt. Waves 1 foot or less. .SUN...W winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Waves 1 foot or less. .SUN NIGHT...NW winds around 5 kt. Waves 1 foot or less. .MON...W winds around 5 kt, becoming SW in the afternoon. Waves 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog. A chance of showers and tstms. .WED...SW winds 5 to 10 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog. Showers and tstms likely. .WED NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .THU...NW winds around 5 kt. Waves 1 foot or less. .THU NIGHT...NW winds around 5 kt. Waves 1 foot or less. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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