Coastal Waters Forecast
Issued by NWS Boston, MA

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571 FZUS51 KBOX 091405 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1004 AM EDT Sun Jun 9 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-100300- 1004 AM EDT Sun Jun 9 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres moves across southern New Eng and the waters this morning then exits later today. A weak front will cross the waters late Mon and Mon night followed by weak high pres Tue through Thu. $$ ANZ250-100300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1004 AM EDT Sun Jun 9 2024 .THIS AFTERNOON...SE winds around 5 kt, becoming NW 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of showers. Showers with isolated tstms. Vsby 1 to 3 NM. .TONIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. .MON...W winds 10 to 15 kt, becoming S 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and SE 2 ft at 8 seconds. .MON NIGHT...SW winds around 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .TUE...NW winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NW 1 foot at 3 seconds. .TUE NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds. .WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-100300- Massachusetts Bay and Ipswich Bay- 1004 AM EDT Sun Jun 9 2024 .THIS AFTERNOON...SE winds around 5 kt, becoming NW 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less, then around 2 ft. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at 8 seconds, becoming SE 2 ft at 8 seconds and W 1 foot at 2 seconds. Patchy fog. Showers. Vsby 1 to 3 NM. .TONIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and E 1 foot at 8 seconds. .MON...W winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: W 2 ft at 3 seconds and E 1 foot at 8 seconds, becoming SW 1 foot at 3 seconds and E 1 foot at 8 seconds. .MON 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 E 1 foot at 8 seconds. .TUE...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Wave Detail: NW 1 foot at 2 seconds and E 1 foot at 8 seconds. .TUE NIGHT...S winds around 5 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 7 seconds. .WED THROUGH THU NIGHT...SW 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. $$ ANZ231-100300- Cape Cod Bay- 1004 AM EDT Sun Jun 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .THIS AFTERNOON...SE winds 5 to 10 kt, becoming SW 10 to 15 kt. Gusts up to 25 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 3 seconds. A slight chance of showers, then showers likely with isolated tstms. Patchy fog. .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 7 seconds. .MON...SW winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TUE...NW winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .TUE NIGHT...S winds around 5 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 6 seconds. .WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-100300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1004 AM EDT Sun Jun 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...S winds 10 to 15 kt, becoming SW 20 to 25 kt. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft at 6 seconds. A slight chance of showers, then a chance of showers with isolated tstms. Patchy fog. .TONIGHT...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. .MON...SW winds around 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds. .TUE AND TUE NIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 3 seconds. .WED THROUGH THU NIGHT...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 SW 2 ft at 3 seconds. Winds and seas higher in and near tstms. 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. $$ ANZ255-100300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1004 AM EDT Sun Jun 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...S winds 15 to 20 kt, becoming SW 20 to 25 kt. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 6 seconds. A slight chance of showers, then a chance of showers with isolated tstms. Patchy fog. .TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds. .MON...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds. .MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. .WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at 7 seconds. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-100300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1004 AM EDT Sun Jun 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...S winds 15 to 20 kt, becoming SW. Gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: S 4 ft at 7 seconds and SW 3 ft at 4 seconds. Isolated tstms. A slight chance of showers, then showers likely. .TONIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at 3 seconds. .MON...W winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SW 2 ft at 4 seconds. .MON NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and SE 2 ft at 7 seconds. .WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 3 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. 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. $$ ANZ232-100300- Nantucket Sound- 1004 AM EDT Sun Jun 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .THIS AFTERNOON...S winds 10 to 15 kt, becoming SW 20 to 25 kt. Gusts up to 30 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 1 foot at 7 seconds. A slight chance of showers, then showers likely with isolated tstms. Patchy fog. .TONIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 1 foot at 7 seconds. .MON...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds. .MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 7 seconds. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W 1 foot at 4 seconds and SE 1 foot at 7 seconds. .WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 8 seconds. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-100300- Vineyard Sound- 1004 AM EDT Sun Jun 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .THIS AFTERNOON...S winds 10 to 15 kt, becoming SW 15 to 20 kt. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. A slight chance of showers. Showers likely with isolated tstms. Patchy fog. .TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. .MON NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 6 seconds. .WED THROUGH THU NIGHT...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 2 ft at 7 seconds. Winds and seas higher in and near tstms. 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. $$ ANZ234-100300- Buzzards Bay- 1004 AM EDT Sun Jun 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .THIS AFTERNOON...S winds 5 to 10 kt, becoming SW 15 to 20 kt. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. A slight chance of showers. Showers likely with isolated tstms. Patchy fog. .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. .MON NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 6 seconds. .WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-100300- Rhode Island Sound- 1004 AM EDT Sun Jun 9 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... .THIS AFTERNOON...S winds 15 to 20 kt, becoming W. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. Isolated tstms. A slight chance of showers, then showers likely. Patchy fog. .TONIGHT...W winds around 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at 4 seconds. .MON...W 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. .MON NIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .WED THROUGH THU NIGHT...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 SW 2 ft at 3 seconds. Winds and seas higher in and near tstms. 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. $$ ANZ237-100300- Block Island Sound- 1004 AM EDT Sun Jun 9 2024 .THIS AFTERNOON...S winds 15 to 20 kt, becoming W. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and S 2 ft at 3 seconds. Isolated tstms. A slight chance of showers, then showers likely. Patchy fog. .TONIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 4 seconds. .TUE AND TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 4 seconds. .WED THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 2 ft at 3 seconds. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-100300- Boston Harbor- 1004 AM EDT Sun Jun 9 2024 .THIS AFTERNOON...E winds around 5 kt, becoming NW. Waves 1 foot or less. Patchy fog. Showers. Vsby 1 to 3 NM. .TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .MON...W winds around 10 kt. Waves 1 foot or less. .MON NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .TUE...NW winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. A chance of showers in the afternoon. .TUE NIGHT...S winds around 5 kt. Waves 1 foot or less. .WED THROUGH THU NIGHT...SW 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. $$ ANZ236-100300- Narragansett Bay- 1004 AM EDT Sun Jun 9 2024 .THIS AFTERNOON...S winds 10 to 15 kt, becoming W. Gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers. Showers with isolated tstms. Patchy fog. .TONIGHT...W winds 5 to 10 kt. Waves around 2 ft. .MON...W winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves around 2 ft. .TUE AND TUE NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .WED THROUGH THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT...SW winds 10 to 15 kt. Waves 2 to 4 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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