FZUS51 KBOX 220805 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 AM EDT Mon Jul 22 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-222100- 404 AM EDT Mon Jul 22 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure builds across the MA and RI waters tonight into Monday, providing pleasant boating weather. Weak low pressure along a warm front will impact the waters with widespread showers and possibly isolated thunderstorms Monday night into Tuesday. Remaining unsettled Wednesday with a stalled boundary over/near the waters. Showers and thunderstorms become more numerous Thursday ahead of an approaching cold front. Improving/drying conditions Friday and into next weekend, as high pressure builds into New England. $$ ANZ250-222100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 AM EDT Mon Jul 22 2024 .TODAY...NE winds around 5 kt, becoming SE this afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at 2 seconds. Patchy fog. Vsby 1 to 3 NM. .TONIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and E 1 foot at 3 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM. .TUE...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and E 1 foot at 2 seconds. A chance of showers in the morning. Showers likely in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and SE 2 ft at 9 seconds. A chance of showers. .WED NIGHT...E winds around 5 kt, becoming N after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and SE 2 ft at 10 seconds. A chance of showers. .THU AND THU NIGHT...S winds around 5 kt, becoming SW. Seas around 2 ft. A chance of showers. .FRI...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-222100- Massachusetts Bay and Ipswich Bay- 404 AM EDT Mon Jul 22 2024 .TODAY...NE winds around 5 kt, becoming SE this afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SE 1 foot at 10 seconds. Patchy fog. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 4 seconds and E 1 foot at 10 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM. .TUE...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 3 seconds. A chance of showers in the morning. Showers likely in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft after midnight. Wave Detail: E 1 foot at 3 seconds and SE 1 foot at 10 seconds, becoming E 1 foot at 4 seconds and SE 1 foot at 10 seconds. Showers likely, mainly in the evening. .WED...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 5 seconds and SE 1 foot at 10 seconds. A chance of showers. .WED NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and SE 1 foot at 10 seconds. A chance of showers. .THU AND THU NIGHT...SE winds 5 to 10 kt, becoming SW. Seas around 2 ft. A chance of showers. .FRI...NW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .FRI NIGHT...W winds around 5 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. $$ ANZ231-222100- Cape Cod Bay- 404 AM EDT Mon Jul 22 2024 .TODAY...NE winds around 5 kt, becoming SE this afternoon. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and SW 1 foot at 2 seconds. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 2 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 foot at 2 seconds and SW 1 foot at 3 seconds. A chance of showers. Patchy fog in the morning. Vsby 1 to 3 NM. .TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 3 seconds. A chance of showers. .WED...E winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: E 1 foot at 2 seconds and S 1 foot at 7 seconds. A chance of showers. .WED NIGHT...SE winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 8 seconds and NE 1 foot at 3 seconds. A chance of showers. .THU AND THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...W winds around 5 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-222100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 404 AM EDT Mon Jul 22 2024 .TODAY...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 2 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 foot at 3 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM. .TUE...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and W 1 foot at 2 seconds. A chance of showers. Patchy fog in the morning. Vsby 1 to 3 NM. .TUE NIGHT...SW winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and E 1 foot at 4 seconds. A chance of showers. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 1 foot at 5 seconds. A chance of showers. .WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and E 1 foot at 5 seconds. A chance of showers. .THU AND THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .FRI...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...W 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. $$ ANZ255-222100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 404 AM EDT Mon Jul 22 2024 .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds. .TONIGHT...S winds around 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 9 seconds and SW 1 foot at 3 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...SE winds 10 to 15 kt, becoming S in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and E 1 foot at 3 seconds. A chance of showers. Patchy fog in the morning. Vsby 1 to 3 NM. .TUE NIGHT...SW winds around 10 kt, becoming S after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and E 1 foot at 3 seconds. A chance of showers. .WED AND WED NIGHT...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and E 1 foot at 5 seconds. Showers likely. .THU AND THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and E 1 foot at 5 seconds. A chance of showers. .FRI...W winds around 10 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-222100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 404 AM EDT Mon Jul 22 2024 .TODAY...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and W 1 foot at 3 seconds. .TONIGHT...S winds around 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 10 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds 10 to 15 kt, becoming S in the afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and E 1 foot at 3 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds around 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. A chance of showers in the evening. Showers likely after midnight. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. Showers likely. .THU...SW winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds. A chance of showers. .THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. Showers likely. .FRI...W winds around 10 kt. Seas 3 to 5 ft. A chance of showers. .FRI NIGHT...W winds 5 to 10 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. $$ ANZ232-222100- Nantucket Sound- 404 AM EDT Mon Jul 22 2024 .TODAY...SW winds around 5 kt, increasing to 10 to 15 kt this afternoon. Seas 1 foot or less, then around 2 ft this afternoon. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming SW 2 ft at 3 seconds and S 1 foot at 7 seconds. .TONIGHT...S winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds, becoming SE 1 foot at 3 seconds and SW 1 foot at 3 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds 10 to 15 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds and S 2 ft at 7 seconds. A chance of showers. Patchy fog in the morning. Vsby 1 to 3 NM. .TUE NIGHT...SW winds around 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. A chance of showers. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. A chance of showers in the morning. Showers likely in the afternoon. .WED NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. A chance of showers. .THU AND THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .FRI...W winds around 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-222100- Vineyard Sound- 404 AM EDT Mon Jul 22 2024 .TODAY...SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas around 2 ft this morning, then 1 foot or less. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 4 seconds, becoming SW 1 foot at 3 seconds and S 1 foot at 7 seconds. .TONIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas 1 foot or less. Wave Detail: SE 1 foot at 2 seconds and SW 1 foot at 3 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds around 10 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 2 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. A chance of showers. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 foot at 4 seconds. A chance of showers in the morning. Showers likely in the afternoon. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 1 foot at 5 seconds. Showers likely in the evening. A chance of showers after midnight. .THU AND THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...W 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. $$ ANZ234-222100- Buzzards Bay- 404 AM EDT Mon Jul 22 2024 .TODAY...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 4 seconds and S 1 foot at 7 seconds. .TONIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas 1 foot or less. Wave Detail: SE 1 foot at 2 seconds and SW 1 foot at 5 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds around 10 kt, becoming S in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: E 1 foot at 2 seconds and SW 1 foot at 4 seconds, becoming S 2 ft at 6 seconds and SW 1 foot at 3 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. A chance of showers. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 2 seconds. A chance of showers in the morning. Showers likely in the afternoon. .WED NIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. Showers likely in the evening. A chance of showers after midnight. .THU AND THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-222100- Rhode Island Sound- 404 AM EDT Mon Jul 22 2024 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 foot at 3 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds 10 to 15 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and E 1 foot at 3 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds around 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds. A chance of showers. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Showers likely. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Showers likely in the evening. A chance of showers after midnight. .THU AND THU NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. .FRI...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...W 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. $$ ANZ237-222100- Block Island Sound- 404 AM EDT Mon Jul 22 2024 .TODAY...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 foot at 3 seconds. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds 10 to 15 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and E 1 foot at 3 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and E 1 foot at 4 seconds. A chance of showers. .WED AND WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Showers likely. A chance of showers after midnight. .THU AND THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at 3 seconds. A chance of showers. .FRI...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-222100- Boston Harbor- 404 AM EDT Mon Jul 22 2024 .TODAY...E winds 5 to 10 kt. Waves 1 foot or less. .TONIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt. Waves 1 foot or less. A chance of showers in the morning. Showers likely in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...E winds 5 to 10 kt. Waves 1 foot or less. Showers likely in the evening. A chance of showers after midnight. .WED...E winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .WED NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .THU AND THU NIGHT...S winds 5 to 10 kt, becoming SW. Waves 1 foot or less. A chance of showers. .FRI...NW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .FRI NIGHT...W winds around 5 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. $$ ANZ236-222100- Narragansett Bay- 404 AM EDT Mon Jul 22 2024 .TODAY...W winds around 5 kt, becoming S this afternoon. Waves around 2 ft. .TONIGHT...S winds 5 to 10 kt, becoming SE after midnight. Waves around 2 ft. Patchy fog after midnight. A chance of showers after midnight with vsby 1 to 3 NM. .TUE...E winds 5 to 10 kt, becoming S in the afternoon. Waves around 2 ft. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...S winds 5 to 10 kt, becoming SE after midnight. Waves 2 to 3 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers in the morning. Showers likely in the afternoon. .WED NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 2 to 3 ft. Showers likely, mainly in the evening. .THU AND THU NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. .FRI...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. .FRI NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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