FZUS51 KBOX 090816 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 416 AM EDT Sun Aug 9 2020 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-092100- 416 AM EDT Sun Aug 9 2020 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure builds across the waters today and early in the week. A cold front will cross the waters late Thursday into Friday morning bringing scattered showers and thunderstorms. 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. $$ ANZ250-092100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 4 ft. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. .WED NIGHT THROUGH THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-092100- Massachusetts Bay and Ipswich Bay- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt this afternoon. Seas around 2 ft. A slight chance of showers with isolated tstms this afternoon. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT THROUGH THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. 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. $$ ANZ231-092100- Cape Cod Bay- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON...SW winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .TUE AND TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU AND THU NIGHT...S winds around 5 kt, becoming NE. Seas 1 foot or less, then around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-092100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. .TONIGHT...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. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. .WED AND 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. A chance of showers. .THU NIGHT...NW winds around 5 kt. Seas 2 to 3 ft. A chance of showers. 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. $$ ANZ255-092100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. .TUE NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .THU...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...W winds around 5 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-092100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. 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. $$ ANZ232-092100- Nantucket Sound- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas around 2 ft. .TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Patchy fog. .TUE NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .THU NIGHT...NW winds around 5 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-092100- Vineyard Sound- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...SW 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. Patchy fog. .TUE...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. .TUE NIGHT...SW winds around 10 kt. Seas around 2 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU AND THU NIGHT...SW winds 5 to 10 kt, becoming NW. Seas 1 foot or less, then around 2 ft. A chance of showers. 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. $$ ANZ234-092100- Buzzards Bay- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this afternoon. Seas 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .THU AND THU NIGHT...SW winds 5 to 10 kt, becoming N. Seas 1 foot or less. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-092100- Rhode Island Sound- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas around 2 ft. .TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .MON...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. .MON NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU AND THU NIGHT...S winds 5 to 10 kt, becoming NE. Seas around 2 ft. A chance of showers. 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. $$ ANZ237-092100- Block Island Sound- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Patchy fog. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU AND THU NIGHT...S winds 5 to 10 kt, becoming NE. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-092100- Boston Harbor- 416 AM EDT Sun Aug 9 2020 .TODAY...S winds 5 to 10 kt. Waves 1 foot or less. A slight chance of showers with isolated tstms this afternoon. .TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .MON...S winds 5 to 10 kt. Waves 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED THROUGH THU NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. 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. $$ ANZ236-092100- Narragansett Bay- 416 AM EDT Sun Aug 9 2020 .TODAY...SW winds 5 to 10 kt. Waves around 2 ft. A slight chance of showers with isolated tstms this afternoon. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .MON...SW winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .THU AND THU NIGHT...SW winds around 5 kt, becoming NE. Waves around 2 ft. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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