181 FZUS51 KBOX 122031 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 431 PM EDT Tue Apr 12 2022 Coastal waters from the Merrimack River MA to Watch Hill RI out to25 NM ANZ200-130915- 431 PM EDT Tue Apr 12 2022 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres builds across the waters tonight. A warm front is expected to move N over the waters Wed, then stall into Thu. A cold front will sweep across srn New Eng and the waters Thu night. Weak high pres will build S of the waters Fri, then another cold front approaches from the W late on Sat. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo $$ ANZ250-130915- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 431 PM EDT Tue Apr 12 2022 .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...NE winds around 10 kt, becoming N with gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. .FRI...N winds around 10 kt with gusts up to 20 kt, becoming NW in the afternoon. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-130915- Massachusetts Bay and Ipswich Bay- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI...N winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 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. $$ ANZ231-130915- Cape Cod Bay- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds 5 to 10 kt, becoming NE in the afternoon. Seas 1 foot or less. Patchy fog. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. A chance of showers. .FRI...N winds around 10 kt, becoming NW in the afternoon. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-130915- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. .THU NIGHT...SW winds around 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 3 to 5 ft. A chance of showers. .FRI...NW winds around 10 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. .FRI NIGHT...SW winds around 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 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. $$ ANZ255-130915- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .FRI...N winds around 10 kt, becoming W in the afternoon. Gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .FRI NIGHT...SW winds around 10 kt. Seas 3 to 5 ft. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-130915- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...S 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. .WED NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming N after midnight. Seas 4 to 6 ft. A chance of showers. .FRI...NW winds around 10 kt, becoming W with gusts up to 20 kt in the afternoon. Seas 4 to 5 ft. A chance of showers. .FRI NIGHT...SW winds around 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. .SAT...S winds 15 to 20 kt. Seas 4 to 5 ft. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. .SUN AND SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 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. $$ ANZ232-130915- Nantucket Sound- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. .THU NIGHT...W winds around 10 kt, becoming NW with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers. .FRI...N winds around 10 kt, becoming W in the afternoon. Gusts up to 20 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...SW winds around 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SAT...S winds 15 to 20 kt. Seas 2 to 3 ft. A chance of rain. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-130915- Vineyard Sound- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .WED...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. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. .THU NIGHT...W winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. A chance of showers. .FRI...NW winds around 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 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. $$ ANZ234-130915- Buzzards Bay- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds around 10 kt. Seas 2 to 3 ft. Patchy fog. .THU NIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft. A chance of showers. .FRI...NW winds around 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds around 10 kt. Seas around 2 ft. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-130915- Rhode Island Sound- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .WED...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. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. .THU NIGHT...W winds around 10 kt, becoming N after midnight. Seas 3 to 5 ft. A chance of showers. .FRI...NW winds around 10 kt, becoming W with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. A chance of showers. .FRI NIGHT...SW winds around 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 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. $$ ANZ237-130915- Block Island Sound- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .WED...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .THU NIGHT...W winds around 10 kt with gusts up to 20 kt, becoming N after midnight. Seas 3 to 5 ft. A chance of showers. .FRI AND FRI NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SUN AND SUN NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-130915- Boston Harbor- 431 PM EDT Tue Apr 12 2022 .TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt, becoming W after midnight. Waves 1 foot or less. .WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 foot or less. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt after midnight. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...NE winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .THU NIGHT...N winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .FRI...N winds 5 to 10 kt, becoming W in the afternoon. Waves around 2 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 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. $$ ANZ236-130915- Narragansett Bay- 431 PM EDT Tue Apr 12 2022 .TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves 1 foot or less. .WED...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. Patchy fog. .THU...SW winds 5 to 10 kt. Waves 2 to 4 ft. .THU NIGHT...NW winds 5 to 10 kt. Waves 3 to 4 ft. A chance of showers. .FRI...NW winds 5 to 10 kt, becoming W in the afternoon. Waves 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of rain. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves 3 to 4 ft. A chance of showers. .SUN AND SUN NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/nwsboston You can follow us on Twitter at @NWSBoston