Coastal Waters Forecast
Issued by NWS Boston, MA

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024 FZUS51 KBOX 080204 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1003 PM EDT Fri Jun 7 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-081500- 1003 PM EDT Fri Jun 7 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Cold front sweeps across the waters this evening. Spot shower possible on Saturday with more widespread shower activity Sunday as a series of weak fronts move across the waters Sun and Mon. Weak low pres will be over the waters Tue. High pressure builds mid next week. $$ ANZ250-081500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 1 foot at 2 seconds. A chance of showers. A slight chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and W 2 ft at 3 seconds. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. A chance of showers in the morning, then showers likely in the afternoon. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. Showers likely in the evening. .MON AND MON NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-081500- Massachusetts Bay and Ipswich Bay- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 2 seconds. A chance of showers. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 2 ft at 8 seconds. .SAT NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 2 ft at 9 seconds. .SUN...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 8 seconds. Showers likely. .SUN NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 1 foot at 9 seconds. Showers likely in the evening. .MON AND MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 1 foot at 8 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. $$ ANZ231-081500- Cape Cod Bay- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 6 seconds. .SAT...W winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 5 seconds. .SAT NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 7 seconds. .SUN...SW winds around 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 8 seconds. A chance of showers in the morning, then showers likely in the afternoon. .SUN NIGHT...W winds around 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 8 seconds. A chance of showers in the evening. .MON AND MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TUE THROUGH WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-081500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at 4 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at 4 seconds. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. A chance of showers in the afternoon. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 4 seconds. A chance of showers in the evening. .MON AND MON NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 4 seconds. .TUE THROUGH WED NIGHT...SW 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. $$ ANZ255-081500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1003 PM EDT Fri Jun 7 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY... .OVERNIGHT...SW winds around 10 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds. .SAT...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and SW 3 ft at 4 seconds. .SAT NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and W 2 ft at 4 seconds. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds. A chance of showers in the afternoon. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. A chance of showers in the evening. .MON AND MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-081500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...W winds around 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at 4 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at 4 seconds. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of showers in the afternoon. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 6 seconds. A chance of showers in the evening. .MON AND MON NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 4 seconds. .TUE THROUGH WED NIGHT...SW 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. $$ ANZ232-081500- Nantucket Sound- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 1 foot at 8 seconds. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 8 seconds. A chance of showers in the afternoon. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of showers in the evening. .MON AND MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and S 1 foot at 7 seconds. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-081500- Vineyard Sound- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 2 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 8 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 4 seconds and S 2 ft at 7 seconds. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds. A chance of showers in the evening. .MON AND MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 6 seconds. .TUE THROUGH WED NIGHT...SW 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. $$ ANZ234-081500- Buzzards Bay- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. A chance of showers in the evening. .MON AND MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-081500- Rhode Island Sound- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SW 2 ft at 4 seconds. .SAT NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at 4 seconds. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. Wave Detail: SW 3 ft at 6 seconds. A chance of showers in the evening. .MON AND MON NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds. .TUE THROUGH WED NIGHT...SW 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. $$ ANZ237-081500- Block Island Sound- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds. A slight chance of showers. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 3 seconds. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 2 ft at 3 seconds. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 3 seconds. A chance of showers. .SUN NIGHT...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. A chance of showers in the evening. .MON AND MON NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-081500- Boston Harbor- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Waves 1 foot or less, then around 2 ft in the afternoon. .SAT NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft in the evening, then 1 foot or less. .SUN...SW winds 10 to 15 kt. Waves 1 foot or less. Showers likely. .SUN NIGHT...W winds 10 to 15 kt. Waves 1 foot or less, then around 2 ft after midnight. Showers likely in the evening. .MON AND MON NIGHT...W 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. $$ ANZ236-081500- Narragansett Bay- 1003 PM EDT Fri Jun 7 2024 .OVERNIGHT...W winds 5 to 10 kt. Waves around 2 ft. A slight chance of showers. .SAT...W winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. .SUN...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves 2 to 3 ft. A chance of showers. .SUN NIGHT...W winds around 10 kt. Waves 2 to 3 ft. A chance of showers in the evening. .MON AND MON NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .TUE THROUGH WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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