Coastal Waters Forecast
Issued by NWS Boston, MA

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207 FZUS51 KBOX 010204 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1004 PM EDT Fri May 31 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-011500- 1004 PM EDT Fri May 31 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Dry and calm conditions continue this weekend as high pressure builds in. High pressure looks to remain in control to start next week with the next chance for precip at the end of next week. $$ ANZ250-011500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 2 seconds. .SAT...NW winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and NW 1 foot at 3 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and SE 2 ft at 7 seconds. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 9 seconds. .SUN NIGHT...SW winds around 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and E 1 foot at 4 seconds. .MON AND MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 3 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-011500- Massachusetts Bay and Ipswich Bay- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 4 seconds. .SAT...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and E 1 foot at 7 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 8 seconds. .SUN...S winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: SE 1 foot at 4 seconds and E 1 foot at 10 seconds. .SUN NIGHT...SW winds around 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SE 1 foot at 4 seconds and E 1 foot at 9 seconds. .MON AND MON NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 3 seconds. .TUE THROUGH WED NIGHT...S 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. $$ ANZ231-011500- Cape Cod Bay- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 3 seconds and N 1 foot at 4 seconds. .SAT...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 7 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and NW 1 foot at 3 seconds. .SUN...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 9 seconds. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and NE 1 foot at 4 seconds. .MON AND MON NIGHT...E winds around 5 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and E 1 foot at 4 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-011500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds around 10 kt, becoming NW. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds. .SAT...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 foot at 4 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 8 seconds. .SUN...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and S 1 foot at 3 seconds. .SUN NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and NE 1 foot at 5 seconds. .MON AND MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and NE 1 foot at 3 seconds. .TUE THROUGH WED 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. $$ ANZ255-011500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. .SAT...NW winds around 10 kt, becoming W in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds. .SAT NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: NE 1 foot at 3 seconds and SW 1 foot at 4 seconds. .SUN...SE winds around 10 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 3 seconds. .SUN NIGHT AND MON...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 5 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 9 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-011500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 7 seconds. .SAT...NW winds around 10 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds. .SAT NIGHT...SW winds 5 to 10 kt, becoming E after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .SUN...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: E 1 foot at 3 seconds and SW 1 foot at 4 seconds. .SUN NIGHT THROUGH MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 3 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and E 1 foot at 9 seconds. 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. $$ ANZ232-011500- Nantucket Sound- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SAT...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 7 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 3 seconds. .SUN...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 9 seconds. .SUN NIGHT AND MON...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 4 seconds. .MON NIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas 1 foot or less. Wave Detail: SW 1 foot at 4 seconds and E 1 foot at 9 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-011500- Vineyard Sound- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. Wave Detail: W 1 foot at 4 seconds and SE 1 foot at 7 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 2 seconds and SW 1 foot at 4 seconds. .SUN...SE winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 foot or less. Wave Detail: S 1 foot at 4 seconds and SE 1 foot at 8 seconds. .SUN NIGHT AND MON...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 4 seconds and SW 1 foot at 5 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 9 seconds. .TUE THROUGH WED 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. $$ ANZ234-011500- Buzzards Bay- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. Wave Detail: W 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 3 seconds. .SUN...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 4 seconds and SE 1 foot at 8 seconds. .SUN NIGHT AND MON...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 4 seconds and SW 1 foot at 4 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 5 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-011500- Rhode Island Sound- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 4 seconds, becoming SW 1 foot at 4 seconds and SE 1 foot at 7 seconds. .SAT NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming S 1 foot at 4 seconds and SE 1 foot at 7 seconds. .SUN...SE winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: S 1 foot at 4 seconds and SE 1 foot at 8 seconds. .SUN NIGHT AND MON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 8 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 9 seconds. .TUE THROUGH WED NIGHT...S 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. $$ ANZ237-011500- Block Island Sound- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds, becoming SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .SAT NIGHT...SW winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 3 seconds. .SUN...SE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 4 seconds. .SUN NIGHT AND MON...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 3 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 9 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-011500- Boston Harbor- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .SAT...NW winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less. .SUN...S winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves 1 foot or less. .MON AND MON NIGHT...E winds 5 to 10 kt. Waves 1 foot or less. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Waves 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. $$ ANZ236-011500- Narragansett Bay- 1004 PM EDT Fri May 31 2024 .OVERNIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .SAT...NW winds 5 to 10 kt. Waves 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt, becoming E after midnight. Waves 1 foot or less. .SUN...S winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT AND MON...SW winds 5 to 10 kt. Waves 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Waves 1 foot or less. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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