Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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910 FZUS51 KBOX 281103 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 703 AM EDT Sun Apr 28 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-290000- 703 AM EDT Sun Apr 28 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure will slowly be replaced by a low pressure dropping south across the region tonight. A cold front will drop south across the waters Monday and stall to the west through Tue. Low pres may track south of New Eng Tue night into Wed, then high pres will follow for Thu and Fri. $$ ANZ250-290000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 703 AM EDT Sun Apr 28 2024 .TODAY...S winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 10 seconds. .TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 10 seconds. Patchy fog. Vsby 1 to 3 NM after midnight. .MON...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 9 seconds and NW 2 ft at 3 seconds. .MON NIGHT...W winds around 5 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and NW 1 ft at 3 seconds. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 8 seconds. A chance of rain. Vsby 1 to 3 NM. .WED...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds and E 2 ft at 8 seconds. A chance of rain. .WED NIGHT THROUGH THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-290000- Massachusetts Bay and Ipswich Bay- 703 AM EDT Sun Apr 28 2024 .TODAY...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds. .TONIGHT...S winds around 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 10 seconds. Patchy fog. Vsby 1 to 3 NM after midnight. .MON...N winds around 10 kt, becoming NE in the afternoon. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 8 seconds. .MON NIGHT...S winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 9 seconds. .TUE AND TUE NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 10 seconds. A chance of rain. .WED...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds and E 2 ft at 7 seconds. A chance of rain. .WED NIGHT THROUGH THU NIGHT...S winds 10 to 15 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. $$ ANZ231-290000- Cape Cod Bay- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 9 seconds. .TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 10 seconds and SW 1 ft at 3 seconds. Patchy fog. Vsby 1 to 3 NM. .MON...N winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 10 seconds and NW 1 ft at 3 seconds. .MON NIGHT...E winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: NE 2 ft at 7 seconds and NW 1 ft at 4 seconds. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 3 seconds and NE 1 ft at 6 seconds. A chance of rain. .WED...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 2 seconds and NE 1 ft at 6 seconds. A chance of rain. .WED NIGHT THROUGH THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-290000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 10 seconds. .TONIGHT...SW winds 10 to 15 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and SW 2 ft at 4 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 11 seconds and NW 3 ft at 4 seconds. .MON NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 10 seconds and SW 2 ft at 6 seconds. .TUE...NE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: NE 3 ft at 9 seconds and S 2 ft at 6 seconds. .TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 9 seconds and S 1 ft at 6 seconds. A chance of rain. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain. .WED NIGHT THROUGH THU NIGHT...S 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. $$ ANZ255-290000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers this morning. .TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 10 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...NW winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and E 3 ft at 10 seconds. .MON NIGHT...E winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at 11 seconds and SW 2 ft at 6 seconds. .TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and SW 2 ft at 6 seconds. .TUE NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 9 seconds. A chance of rain. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. .WED NIGHT THROUGH THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-290000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 703 AM EDT Sun Apr 28 2024 .TODAY...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 9 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...NW winds around 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 10 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .MON NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and S 2 ft at 6 seconds. .TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and E 2 ft at 11 seconds. .TUE NIGHT...E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and E 2 ft at 10 seconds. A chance of rain. .WED...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. .WED NIGHT THROUGH THU NIGHT...S winds 10 to 15 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. $$ ANZ232-290000- Nantucket Sound- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 ft at 8 seconds. A chance of showers this morning. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 ft at 10 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and NE 2 ft at 9 seconds. .MON NIGHT...NE winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NE 2 ft at 10 seconds and SW 1 ft at 5 seconds, becoming SW 1 ft at 6 seconds and E 1 ft at 11 seconds. .TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 ft at 6 seconds and E 1 ft at 11 seconds. .TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: SE 1 ft at 3 seconds and E 1 ft at 9 seconds. A chance of rain. .WED...E winds 10 to 15 kt. Seas around 2 ft. A chance of rain. .WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-290000- Vineyard Sound- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 ft at 9 seconds. A chance of showers this morning. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 ft at 10 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: W 1 ft at 4 seconds and E 1 ft at 10 seconds. .MON NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 1 ft at 5 seconds and E 1 ft at 6 seconds, becoming SW 1 ft at 6 seconds and E 1 ft at 9 seconds. .TUE AND TUE NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 ft at 6 seconds and E 1 ft at 10 seconds. A chance of rain. .WED...E winds around 10 kt. Seas 1 foot or less. Wave Detail: E 1 ft at 4 seconds and E 1 ft at 9 seconds. A chance of rain. .WED NIGHT THROUGH THU NIGHT...SW 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. $$ ANZ234-290000- Buzzards Bay- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 ft at 9 seconds. A chance of showers this morning. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 ft at 10 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...N winds 5 to 10 kt, becoming NE in the afternoon. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: NW 1 ft at 4 seconds and E 1 ft at 9 seconds. .MON NIGHT...SE winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SW 1 ft at 5 seconds and NE 1 ft at 5 seconds, becoming SW 1 ft at 5 seconds and E 1 ft at 8 seconds. .TUE AND TUE NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 ft at 6 seconds and E 1 ft at 10 seconds. A chance of rain. .WED...E winds around 10 kt. Seas 1 foot or less. Wave Detail: E 1 ft at 3 seconds and E 1 ft at 8 seconds. A chance of rain. .WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-290000- Rhode Island Sound- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 10 seconds. A slight chance of showers this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 ft at 9 seconds. .MON NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 ft at 10 seconds. .TUE AND TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and E 1 ft at 11 seconds. A chance of rain. .WED...E winds around 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds and E 1 ft at 10 seconds. A chance of rain. .WED NIGHT THROUGH THU NIGHT...SW 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. $$ ANZ237-290000- Block Island Sound- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds. Showers likely this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and E 2 ft at 9 seconds. .MON NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 10 seconds. .TUE AND TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and E 1 ft at 11 seconds. A chance of rain. .WED...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds. A chance of rain. .WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-290000- Boston Harbor- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds around 10 kt. Waves 1 foot or less. .TONIGHT...SW winds around 10 kt, becoming W after midnight. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM after midnight. .MON...N winds 10 to 15 kt, becoming NE in the afternoon. Waves around 2 ft. .MON NIGHT...SE winds 5 to 10 kt, becoming E 10 to 15 kt after midnight. Waves around 2 ft in the evening, then 1 foot or less. A chance of rain after midnight. .TUE AND TUE NIGHT...SE winds 10 to 15 kt. Waves around 2 ft. A chance of rain. .WED...E winds around 10 kt. Waves 1 foot or less. A chance of rain. .WED NIGHT THROUGH THU NIGHT...S 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. $$ ANZ236-290000- Narragansett Bay- 703 AM EDT Sun Apr 28 2024 .TODAY...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A slight chance of showers this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves around 2 ft in the evening, then 1 foot or less. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .MON...NW winds 5 to 10 kt, becoming NE in the afternoon. Waves 1 foot or less. .MON NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. .TUE AND TUE NIGHT...E winds 10 to 15 kt. Waves around 2 ft. A chance of rain. .WED...NE winds 5 to 10 kt. Waves around 2 ft. A chance of rain. .WED NIGHT THROUGH THU NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston