FZUS51 KBOX 191405 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1004 AM EDT Fri Jul 19 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-200300- 1004 AM EDT Fri Jul 19 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres builds in today and leaves the waters rain free through Monday. Pattern turns unsettled Tuesday and Wednesday as a low pres system tracks through in New England $$ ANZ250-200300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...NW winds 5 to 10 kt, becoming S. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and SE 2 ft at 9 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds. .SAT...SW winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at 3 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. .SUN...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. .SUN NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 3 seconds. .MON THROUGH TUE...SE winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-200300- Massachusetts Bay and Ipswich Bay- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...N winds around 5 kt, becoming SE. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and SE 1 foot at 9 seconds. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .SAT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 8 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .SUN...W winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 8 seconds, becoming W 1 foot at 2 seconds and SE 1 foot at 9 seconds. .SUN NIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 2 seconds. .MON AND MON NIGHT...NE winds 5 to 10 kt, becoming S. Seas 1 foot or less, then around 2 ft. .TUE AND TUE NIGHT...SE winds 5 to 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. $$ ANZ231-200300- Cape Cod Bay- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...N winds 5 to 10 kt, becoming NE. Seas 1 foot or less. Wave Detail: N 1 foot at 3 seconds and SE 1 foot at 8 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 4 seconds and S 1 foot at 7 seconds. .SAT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and N 1 foot at 4 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming SW 1 foot at 2 seconds and SE 1 foot at 6 seconds. .SUN...W winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 7 seconds. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and S 1 foot at 6 seconds. .MON THROUGH TUE...SE winds 5 to 10 kt. Seas 1 foot or less. .TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-200300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1004 AM EDT Fri Jul 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and N 2 ft at 4 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and N 1 foot at 4 seconds. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and NW 1 foot at 4 seconds. .SAT NIGHT...SW winds around 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 3 seconds. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON THROUGH TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 10 seconds and NW 1 foot at 3 seconds. .TUE NIGHT...SE winds 5 to 10 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. $$ ANZ255-200300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1004 AM EDT Fri Jul 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .THIS AFTERNOON...NE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and N 2 ft at 3 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and NE 1 foot at 3 seconds. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 1 foot at 3 seconds. .SAT NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 3 seconds. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 10 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-200300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1004 AM EDT Fri Jul 19 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .THIS AFTERNOON...N winds 5 to 10 kt, becoming W. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and N 1 foot at 3 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 2 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 3 seconds. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 10 seconds and SW 1 foot at 5 seconds. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .TUE AND TUE NIGHT...SE winds 5 to 10 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. $$ ANZ232-200300- Nantucket Sound- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 3 seconds and S 2 ft at 8 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at 4 seconds. .SAT...W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: W 1 foot at 3 seconds and N 1 foot at 4 seconds, becoming SW 2 ft at 3 seconds and N 1 foot at 3 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and W 1 foot at 3 seconds. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-200300- Vineyard Sound- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...N winds 5 to 10 kt, becoming SW. Seas around 2 ft. Wave Detail: S 2 ft at 8 seconds and N 1 foot at 3 seconds. .TONIGHT...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. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SW 1 foot at 3 seconds. .SUN...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less, then 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. $$ ANZ234-200300- Buzzards Bay- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...N winds 5 to 10 kt, becoming S. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and N 1 foot at 3 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: W 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming SW 2 ft at 3 seconds and S 1 foot at 6 seconds. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 6 seconds. .SUN...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. .SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-200300- Rhode Island Sound- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...N winds 5 to 10 kt, becoming SW. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and N 1 foot at 3 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 3 seconds. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds. .SAT NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. .SUN NIGHT...SW winds around 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 3 seconds. .MON AND MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .TUE AND TUE NIGHT...SE winds 5 to 10 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. $$ ANZ237-200300- Block Island Sound- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...N winds 5 to 10 kt, becoming SW. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and N 1 foot at 3 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 3 seconds. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 2 seconds. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. .SUN NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. .MON...SE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-200300- Boston Harbor- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...NE winds around 5 kt, becoming E. Waves 1 foot or less. .TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .SAT...SW winds 5 to 10 kt. Waves 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .SUN...W winds 5 to 10 kt, becoming SW in the afternoon. Waves 1 foot or less. .SUN NIGHT...SW winds around 5 kt, becoming N after midnight. Waves 1 foot or less. .MON AND MON NIGHT...E winds 5 to 10 kt, becoming S. Waves 1 foot or less. .TUE AND TUE NIGHT...E winds 5 to 10 kt. 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. $$ ANZ236-200300- Narragansett Bay- 1004 AM EDT Fri Jul 19 2024 .THIS AFTERNOON...N winds 5 to 10 kt, becoming SW. Waves around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .SAT...SW winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .SUN...SW winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Waves around 2 ft. .MON AND MON NIGHT...SE winds 5 to 10 kt, becoming SW. Waves around 2 ft. .TUE AND TUE NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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