FZUS51 KBOX 261405 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1004 AM EDT Fri Jul 26 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-270300- 1004 AM EDT Fri Jul 26 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure builds across the waters on Friday and persists through at least Saturday. Possible low pressure develops on Sunday, persisting into Monday. $$ ANZ250-270300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds around 10 kt, becoming SW. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 9 seconds. .TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and NE 1 foot at 6 seconds. .SAT...NW winds around 5 kt, becoming E in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 foot at 5 seconds. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 4 seconds. .SUN...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 foot at 3 seconds. .SUN NIGHT...SE winds around 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds and SE 2 ft at 9 seconds. A chance of showers after midnight. .MON THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-270300- Massachusetts Bay and Ipswich Bay- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds around 10 kt, becoming S. Seas 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and E 1 foot at 5 seconds. .TONIGHT...SW winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 4 seconds. .SAT...NW winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at 4 seconds. .SAT 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 SE 1 foot at 9 seconds. .SUN...SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and SE 1 foot at 9 seconds. .SUN NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SE 1 foot at 3 seconds and SE 1 foot at 9 seconds. .MON THROUGH TUE 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. $$ ANZ231-270300- Cape Cod Bay- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 1 foot at 3 seconds and E 1 foot at 5 seconds. .TONIGHT...SW winds around 5 kt, becoming W after midnight. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 8 seconds. .SAT...NW winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 8 seconds. .SAT NIGHT...S winds around 5 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and E 1 foot at 4 seconds. .SUN...SE winds around 5 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 3 seconds and SE 1 foot at 9 seconds. .SUN NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: E 1 foot at 2 seconds and SE 1 foot at 9 seconds, becoming N 1 foot at 2 seconds and SE 1 foot at 9 seconds. A chance of showers after midnight. .MON...E winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON NIGHT THROUGH TUE NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-270300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and NW 2 ft at 3 seconds. .TONIGHT...W winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and N 1 foot at 5 seconds. .SAT...NW winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and N 1 foot at 4 seconds. .SAT NIGHT...S winds around 5 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 2 ft at 8 seconds and W 1 foot at 3 seconds, becoming W 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SUN...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: NE 1 foot at 3 seconds and W 1 foot at 3 seconds, becoming SE 2 ft at 9 seconds and E 1 foot at 3 seconds. .SUN NIGHT...E winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers after midnight. .MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas around 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. $$ ANZ255-270300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and NW 2 ft at 4 seconds. .TONIGHT...W winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and W 1 foot at 3 seconds. .SAT...N winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and NE 1 foot at 5 seconds. .SAT NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 5 seconds and S 1 foot at 7 seconds. .SUN...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and E 1 foot at 4 seconds. .SUN NIGHT...E winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 3 seconds and SE 2 ft at 9 seconds. A chance of showers after midnight. .MON...SW winds around 10 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-270300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds 10 to 15 kt, becoming W. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. .TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. .SAT...NE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at 12 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 1 foot at 12 seconds. .SUN...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 9 seconds and SE 1 foot at 4 seconds. .SUN NIGHT...E winds around 10 kt, becoming N after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and SE 2 ft at 9 seconds. A chance of showers after midnight. .MON...SW winds around 10 kt. Seas around 3 ft. A chance of showers. .MON NIGHT THROUGH TUE NIGHT...S winds 10 to 15 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. $$ ANZ232-270300- Nantucket Sound- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and E 1 foot at 5 seconds. .TONIGHT...W winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SAT...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: W 1 foot at 4 seconds and NE 1 foot at 5 seconds. .SAT NIGHT...SW winds around 5 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 5 seconds. .SUN...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and SW 1 foot at 4 seconds. .SUN NIGHT...E winds around 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: E 1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of showers after midnight. .MON...W winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .MON NIGHT THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-270300- Vineyard Sound- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds around 10 kt, becoming SW. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and NW 1 foot at 4 seconds. .TONIGHT...SW winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and NE 1 foot at 4 seconds. .SAT...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 6 seconds and SE 1 foot at 12 seconds. .SAT NIGHT...SW winds around 5 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 5 seconds and S 1 foot at 8 seconds. .SUN...SE 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. .SUN NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: SE 1 foot at 3 seconds and S 1 foot at 9 seconds, becoming NW 1 foot at 2 seconds and E 1 foot at 3 seconds. A chance of showers after midnight. .MON...W winds around 10 kt. Seas around 2 ft. A chance of showers. .MON NIGHT THROUGH TUE 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. $$ ANZ234-270300- Buzzards Bay- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds around 10 kt, becoming SW. Seas 1 foot or less. Wave Detail: NW 1 foot at 4 seconds and E 1 foot at 5 seconds. .TONIGHT...SW winds around 5 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: NE 1 foot at 5 seconds and SW 1 foot at 6 seconds. .SAT...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 5 seconds and SW 1 foot at 6 seconds. .SAT NIGHT...SW winds around 5 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 5 seconds and S 1 foot at 8 seconds. .SUN...E winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: E 1 foot at 3 seconds and SW 1 foot at 5 seconds. .SUN NIGHT...SE winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of showers after midnight. .MON...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON NIGHT THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-270300- Rhode Island Sound- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds around 10 kt, becoming W. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and NW 1 foot at 3 seconds. .TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and W 1 foot at 3 seconds. .SAT...NE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 1 foot at 12 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 2 ft at 6 seconds, becoming S 1 foot at 7 seconds. .SUN...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: S 1 foot at 7 seconds, becoming S 2 ft at 9 seconds and SE 1 foot at 3 seconds. .SUN NIGHT...SE winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: NW 1 foot at 2 seconds and SE 1 foot at 3 seconds. A chance of showers after midnight. .MON...SW winds around 10 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 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. $$ ANZ237-270300- Block Island Sound- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds around 10 kt, becoming W. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and NW 1 foot at 3 seconds. .TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. .SAT...NE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 4 seconds. .SAT NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 2 ft at 6 seconds, becoming S 1 foot at 5 seconds and SE 1 foot at 8 seconds. .SUN...NE winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 9 seconds. .SUN NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Wave Detail: SE 1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of showers after midnight. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT THROUGH TUE NIGHT...S winds around 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-270300- Boston Harbor- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds around 10 kt, becoming E. Waves 1 foot or less. .TONIGHT...S winds around 5 kt, becoming NW after midnight. Waves 1 foot or less. .SAT...N winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .SUN...SE winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .SUN NIGHT...SE winds 5 to 10 kt, becoming NW after midnight. Waves 1 foot or less. .MON THROUGH TUE NIGHT...S winds 10 to 15 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. $$ ANZ236-270300- Narragansett Bay- 1004 AM EDT Fri Jul 26 2024 .THIS AFTERNOON...NW winds around 10 kt, becoming W. Waves around 2 ft. .TONIGHT...W winds around 5 kt, becoming NW after midnight. Waves 1 foot or less. .SAT...N winds around 5 kt, becoming S in the afternoon. Waves 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .SUN...NE winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. .SUN NIGHT...SE winds 5 to 10 kt, becoming NW after midnight. Waves around 2 ft. .MON...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .MON NIGHT THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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