Coastal Waters Forecast
Issued by NWS Boston, MA

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902 FZUS51 KBOX 031404 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1003 AM EDT Mon Jun 3 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-040300- 1003 AM EDT Mon Jun 3 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... A backdoor cold front will move across the waters Monday, shifting winds into the N-NE. Then high pressure builds over New England Tuesday, sliding just offshore Wednesday. A trough of low pressure moves across the waters Wed night into Thu. Then broad and weak low pressure lingers across New England Friday, slowly lifting northward over the weekend. $$ ANZ250-040300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and E 1 foot at 9 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and E 1 foot at 9 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and E 1 foot at 9 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 1 foot at 4 seconds and E 1 foot at 8 seconds. .WED AND WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 4 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 2 ft at 3 seconds and E 2 ft at 9 seconds. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-040300- Massachusetts Bay and Ipswich Bay- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and NE 1 foot at 4 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NE 1 foot at 4 seconds and E 1 foot at 9 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NE 1 foot at 4 seconds and E 1 foot at 9 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Wave Detail: SE 1 foot at 4 seconds and E 1 foot at 8 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 8 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 8 seconds. Showers likely. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .FRI AND FRI NIGHT...SE winds around 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. $$ ANZ231-040300- Cape Cod Bay- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...N winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and E 1 foot at 9 seconds. .TONIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and E 1 foot at 9 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NE 1 foot at 3 seconds and SW 1 foot at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 4 seconds and S 1 foot at 4 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 2 seconds and NE 1 foot at 4 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 8 seconds. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-040300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...NW winds 5 to 10 kt, becoming NE. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and E 1 foot at 9 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and NE 1 foot at 4 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds around 5 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and S 1 foot at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 foot at 5 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. .THU NIGHT AND FRI...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .FRI NIGHT...S winds around 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. $$ ANZ255-040300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and NE 1 foot at 2 seconds. .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and NE 1 foot at 2 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and NE 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 4 seconds. .WED AND WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 8 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds. Showers likely. .THU NIGHT AND FRI...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-040300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 9 seconds. .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds and NE 1 foot at 2 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and E 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and E 1 foot at 3 seconds. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at 8 seconds. .WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers after midnight. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .THU NIGHT AND FRI...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 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. $$ ANZ232-040300- Nantucket Sound- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...W winds 5 to 10 kt, becoming N. Seas 1 foot or less, then around 2 ft. Wave Detail: W 1 foot at 4 seconds and E 1 foot at 9 seconds, becoming NE 1 foot at 3 seconds and W 1 foot at 5 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 6 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds around 5 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and S 1 foot at 5 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and NE 1 foot at 4 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and E 1 foot at 8 seconds. A chance of showers. .THU NIGHT AND FRI...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-040300- Vineyard Sound- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...W winds 5 to 10 kt, becoming SW. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and NE 1 foot at 3 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 2 seconds. .TUE...E winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 5 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and S 1 foot at 5 seconds. .WED...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NE 1 foot at 4 seconds and SW 1 foot at 5 seconds. .WED NIGHT...S winds around 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 8 seconds. A chance of showers after midnight. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SW 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. $$ ANZ234-040300- Buzzards Bay- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...W winds around 5 kt, becoming S. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and SW 1 foot at 4 seconds. .TONIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 6 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 5 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and S 1 foot at 5 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and SW 1 foot at 5 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-040300- Rhode Island Sound- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 1 foot at 2 seconds. .TUE...E winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 3 seconds, becoming SE 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of showers after midnight. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 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. $$ ANZ237-040300- Block Island Sound- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at 9 seconds. .TUE...E winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and E 1 foot at 2 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SE 2 ft at 4 seconds and SE 1 foot at 8 seconds, becoming SE 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot at 8 seconds. A chance of showers after midnight. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .THU NIGHT AND FRI...SW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-040300- Boston Harbor- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...NE winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...E winds 5 to 10 kt. Waves 1 foot or less. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Waves 1 foot or less. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .WED...S winds 5 to 10 kt. Waves 1 foot or less. .WED NIGHT...S winds around 10 kt. Waves 1 foot or less. A chance of showers after midnight. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. .THU NIGHT...S winds 10 to 15 kt. Waves around 2 ft. Showers likely. .FRI AND FRI NIGHT...E winds 5 to 10 kt, becoming S. Waves 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. $$ ANZ236-040300- Narragansett Bay- 1003 AM EDT Mon Jun 3 2024 .THIS AFTERNOON...W winds around 5 kt, becoming S. Waves 1 foot or less. .TONIGHT...SE winds 5 to 10 kt, becoming E after midnight. Waves around 2 ft. Patchy fog after midnight with vsby 1 to 3 NM. .TUE...E winds around 5 kt, becoming S in the afternoon. Waves around 2 ft in the morning, then 1 foot or less. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .WED...SW winds 5 to 10 kt. Waves 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft after midnight. A chance of showers after midnight. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. .THU NIGHT THROUGH FRI NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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