Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 092317 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 716 PM EDT Sun Aug 9 2020 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-101200- 716 PM EDT Sun Aug 9 2020 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres builds across the waters tonight and into early in the week. A cold front will cross the waters late Thu into Fri morning bringing scattered showers and tstms. 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. $$ ANZ250-101200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EDT Sun Aug 9 2020 .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A slight chance of showers this evening. .MON...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .TUE...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. .WED AND WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. .THU...N winds around 5 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-101200- Massachusetts Bay and Ipswich Bay- 716 PM EDT Sun Aug 9 2020 .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 2 to 3 ft. A slight chance of showers this evening. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE...S 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...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .THU...N winds around 5 kt. Seas around 2 ft. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 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. $$ ANZ231-101200- Cape Cod Bay- 716 PM EDT Sun Aug 9 2020 .TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Gusts up to 20 kt. Seas around 2 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .TUE NIGHT AND WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. A chance of showers. .THU...NW winds around 5 kt. Seas 1 foot or less. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-101200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. .TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU THROUGH FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 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. $$ ANZ255-101200- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds around 10 kt. Seas 2 to 3 ft. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 3 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. Patchy fog. Vsby 1 to 3 NM. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Patchy fog. .TUE NIGHT AND WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. Patchy fog. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU...SW winds around 5 kt. Seas around 2 ft. .THU NIGHT...NE winds around 5 kt. Seas around 2 ft. A chance of showers. .FRI AND FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-101200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds around 10 kt. Gusts up to 20 kt this evening. Seas 2 to 3 ft. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 3 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Patchy fog. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Patchy fog. .TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .THU...SW winds around 5 kt. Seas around 2 ft. .THU NIGHT AND FRI...W winds around 5 kt, becoming NE. Seas around 2 ft. A chance of showers. .FRI NIGHT...E winds 5 to 10 kt. Seas 2 to 3 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. $$ ANZ232-101200- Nantucket Sound- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. .TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU THROUGH FRI NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-101200- Vineyard Sound- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Patchy fog. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. .TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .THU...SW winds around 5 kt. Seas 1 foot or less. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...E 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. $$ ANZ234-101200- Buzzards Bay- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. .TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU...SW winds around 5 kt. Seas 1 foot or less. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-101200- Rhode Island Sound- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 2 to 3 ft. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. Patchy fog. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. .TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .THU AND THU NIGHT...SW winds around 5 kt, becoming NE. Seas around 2 ft. A chance of showers. .FRI AND FRI NIGHT...E 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. $$ ANZ237-101200- Block Island Sound- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .THU AND THU NIGHT...SW winds around 5 kt, becoming NE. Seas 1 foot or less, then around 2 ft. A chance of showers. .FRI AND FRI NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-101200- Boston Harbor- 716 PM EDT Sun Aug 9 2020 .TONIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Waves around 2 ft. .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...S winds 5 to 10 kt. Waves 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED AND WED NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .THU...N winds around 5 kt. Waves 1 foot or less. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...E winds 5 to 10 kt. Waves 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. $$ ANZ236-101200- Narragansett Bay- 716 PM EDT Sun Aug 9 2020 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. .MON...SW winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. .TUE NIGHT AND WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. A chance of showers. .THU AND THU NIGHT...SW winds around 5 kt, becoming NW around 5 kt. Waves 1 foot or less. A chance of showers. .FRI AND FRI NIGHT...E winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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