Coastal Waters Forecast
Issued by NWS Boston, MA

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020 FZUS51 KBOX 101406 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1006 AM EDT Mon Jun 10 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-110300- 1006 AM EDT Mon Jun 10 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... A weak front will move across the waters late today and tonight followed by weak high pres and tranquil boating conditions Tue and Wed. The high pres will move offshore Thu with increasing SW flow developing later Thu into Fri as a cold front approaches from the W. This front will cross the waters Fri night into Sat. $$ ANZ250-110300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds around 10 kt, becoming S. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. .TONIGHT...SW winds around 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 4 seconds. .TUE...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and N 1 foot at 3 seconds. .TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NW 1 foot at 2 seconds. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SE 1 foot at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and S 1 foot at 5 seconds. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-110300- Massachusetts Bay and Ipswich Bay- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 5 to 10 kt, becoming S. Seas 1 foot or less. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and S 1 foot at 3 seconds. .TUE...NW winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 foot at 2 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 8 seconds. .WED...SW winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and SE 1 foot at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 8 seconds, becoming S 1 foot at 3 seconds and E 1 foot at 8 seconds. .THU AND THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. .FRI AND FRI NIGHT...SW 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. $$ ANZ231-110300- Cape Cod Bay- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. Wave Detail: W 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 8 seconds, becoming W 1 foot at 2 seconds and S 1 foot at 5 seconds. .TUE...NW winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 6 seconds. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Wave Detail: S 1 foot at 2 seconds and W 1 foot at 3 seconds. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at 8 seconds. .THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-110300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds. .TUE...W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. .TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 2 seconds. .THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 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. $$ ANZ255-110300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 10 to 15 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds and E 1 foot at 8 seconds. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and W 1 foot at 3 seconds. .TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. .TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 2 seconds. .THU THROUGH FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SW 2 ft at 3 seconds. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-110300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...W winds 10 to 15 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 3 seconds. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 8 seconds. .TUE...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. .TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 3 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 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. $$ ANZ232-110300- Nantucket Sound- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. .TUE...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 3 seconds and S 1 foot at 7 seconds. .TUE NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 7 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 7 seconds. .THU THROUGH FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-110300- Vineyard Sound- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds. .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 5 seconds and E 1 foot at 8 seconds. .TUE...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds. .TUE NIGHT...SW winds around 5 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 7 seconds. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 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. $$ ANZ234-110300- Buzzards Bay- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SW 2 ft at 6 seconds. .TONIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 8 seconds. .TUE...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds. .TUE NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 7 seconds. .THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-110300- Rhode Island Sound- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 4 seconds. .TONIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .TUE...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. .TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 2 seconds. .THU THROUGH FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SE 2 ft at 8 seconds. .FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 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. $$ ANZ237-110300- Block Island Sound- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. .TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds. .TUE...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 2 seconds. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 2 seconds. .THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-110300- Boston Harbor- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 5 to 10 kt. Waves 1 foot or less. A slight chance of showers. .TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .TUE...NW winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. .TUE NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .WED...SW winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .THU AND THU NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Waves 1 foot or less, then around 2 ft. .FRI AND FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 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. $$ ANZ236-110300- Narragansett Bay- 1006 AM EDT Mon Jun 10 2024 .THIS AFTERNOON...SW winds 5 to 10 kt. Waves around 2 ft. .TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Waves around 2 ft. .TUE...NW winds around 5 kt, becoming S in the afternoon. Waves around 2 ft in the morning, then 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves around 2 ft. .WED AND WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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