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Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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000 FZUS51 KBOX 200808 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 408 AM EDT Fri May 20 2022 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-202100- 408 AM EDT Fri May 20 2022 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure over the New England waters Friday. A warm front lifts across the waters Friday night, giving way to a very warm southwest flow over the weekend. A cold front moves across the waters and breaks the heat late Sunday into early Monday. Scattered showers and thunderstorms may accompany the front. High pressure builds into southeast Canada early next week, resulting in NE winds across the New England waters. $$ ANZ250-202100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 408 AM EDT Fri May 20 2022 .TODAY...NE winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy dense fog. Showers likely. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .MON AND MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE AND TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-202100- Massachusetts Bay and Ipswich Bay- 408 AM EDT Fri May 20 2022 .TODAY...NE winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt this afternoon. Seas around 2 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy dense fog. A chance of showers. Vsby 1 NM or less. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...S 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. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON AND MON NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE AND TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 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. $$ ANZ231-202100- Cape Cod Bay- 408 AM EDT Fri May 20 2022 .TODAY...W winds around 5 kt, becoming SE this afternoon. Seas 1 foot or less. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Showers likely. Vsby 1 to 3 NM. .SAT...S winds around 10 kt. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON...N winds around 10 kt. Seas around 2 ft. A chance of showers. .MON NIGHT AND TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-202100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 408 AM EDT Fri May 20 2022 .TODAY...W winds around 5 kt, becoming S this afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN AND SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .MON NIGHT AND TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 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. $$ ANZ255-202100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 408 AM EDT Fri May 20 2022 .TODAY...W winds around 5 kt, becoming S this afternoon. Seas 3 to 4 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .SAT...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. .SAT NIGHT...SW winds around 10 kt. Seas 3 to 4 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .MON...NW winds around 10 kt. Seas 3 to 5 ft. A chance of showers. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE...NE winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-202100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 408 AM EDT Fri May 20 2022 .TODAY...SW winds around 5 kt, becoming SE this afternoon. Seas 3 to 4 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Patchy dense fog. A chance of showers. Vsby 1 NM or less. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .MON AND MON NIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .TUE...NE winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 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. $$ ANZ232-202100- Nantucket Sound- 408 AM EDT Fri May 20 2022 .TODAY...W winds around 5 kt, becoming S this afternoon. Seas around 2 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .SAT...SW winds around 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON AND MON NIGHT...NW winds around 10 kt, becoming NE with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-202100- Vineyard Sound- 408 AM EDT Fri May 20 2022 .TODAY...W winds around 5 kt, becoming S this afternoon. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less this afternoon. .TONIGHT...S winds around 10 kt. Seas around 2 ft. Showers likely. Vsby 1 NM or less. .SAT...SW winds around 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...SW winds around 10 kt. Seas around 2 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON AND MON NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...NE winds 10 to 15 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. $$ ANZ234-202100- Buzzards Bay- 408 AM EDT Fri May 20 2022 .TODAY...W winds around 5 kt, becoming S this afternoon. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .TONIGHT...S winds around 10 kt. Seas 1 foot or less. Showers likely. Vsby 1 to 3 NM. .SAT...SW winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...SW winds around 10 kt. Seas around 2 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .MON AND MON NIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-202100- Rhode Island Sound- 408 AM EDT Fri May 20 2022 .TODAY...SW winds around 5 kt, becoming S this afternoon. Seas around 3 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. Patchy dense fog. A chance of showers. Vsby 1 NM or less. .SAT...SW winds around 10 kt. Seas around 3 ft. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...SW winds around 10 kt. Seas around 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .MON AND MON NIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE...NE winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 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. $$ ANZ237-202100- Block Island Sound- 408 AM EDT Fri May 20 2022 .TODAY...S winds around 5 kt, becoming SE this afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy dense fog. A chance of showers. Vsby 1 NM or less. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON AND MON NIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-202100- Boston Harbor- 408 AM EDT Fri May 20 2022 .TODAY...NE winds around 5 kt, becoming SE this afternoon. Waves around 2 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. .SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .MON THROUGH TUE NIGHT...E winds 5 to 10 kt with gusts up to 20 kt. Waves 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. $$ ANZ236-202100- Narragansett Bay- 408 AM EDT Fri May 20 2022 .TODAY...W winds around 5 kt, becoming S this afternoon. Waves 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .SAT NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .MON...N winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. .MON NIGHT AND TUE...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TUE NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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