Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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014 FZUS51 KBOX 120804 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 AM EDT Wed Jun 12 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-122100- 404 AM EDT Wed Jun 12 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure will remain over the waters through Thu. Winds become gusty out of the SW Thursday before A cold front over the Great Lakes is expected to cross the region Fri. Thunderstorms could accompany the cold front. High pressure will build back into New England over the weekend. $$ ANZ250-122100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 AM EDT Wed Jun 12 2024 .TODAY...S winds around 5 kt, becoming SE this afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and S 1 foot at 3 seconds. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 3 seconds. .THU NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 3 ft at 5 seconds. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds. A chance of showers in the afternoon with vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 7 seconds. Showers likely in the evening. A chance of showers after midnight. Vsby 1 to 3 NM in the evening. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-122100- Massachusetts Bay and Ipswich Bay- 404 AM EDT Wed Jun 12 2024 .TODAY...S winds around 5 kt, becoming SE this afternoon. Seas 1 foot or less. Wave Detail: E 1 foot at 8 seconds. Isolated showers this afternoon. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and S 1 foot at 3 seconds. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 2 seconds. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds. .FRI...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 6 seconds. A chance of showers in the afternoon with vsby 1 to 3 NM. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 6 seconds. Showers in the evening. A chance of showers after midnight. Vsby 1 to 3 NM in the evening. .SAT THROUGH SUN 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. $$ ANZ231-122100- Cape Cod Bay- 404 AM EDT Wed Jun 12 2024 .TODAY...S winds around 5 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 6 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. .FRI...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. Showers likely. .SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-122100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 404 AM EDT Wed Jun 12 2024 .TODAY...S winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 3 seconds. .THU...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 3 seconds and SE 2 ft at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 8 seconds. .FRI...S winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 8 seconds. .FRI NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 8 seconds. Showers likely. .SAT THROUGH SUN NIGHT...SW 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. $$ ANZ255-122100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 404 AM EDT Wed Jun 12 2024 .TODAY...S winds around 5 kt, becoming SW this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at 8 seconds. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 8 seconds. Showers likely. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-122100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 404 AM EDT Wed Jun 12 2024 .TODAY...W winds around 5 kt, becoming SW this afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at 8 seconds. .FRI...S winds around 15 kt with gusts up to 20 kt. Seas around 4 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds. Showers likely. Vsby 1 to 3 NM. .SAT THROUGH SUN 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. $$ ANZ232-122100- Nantucket Sound- 404 AM EDT Wed Jun 12 2024 .TODAY...S winds around 5 kt, becoming SW this afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds. .TONIGHT...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 8 seconds. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 7 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 7 seconds. Showers likely. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-122100- Vineyard Sound- 404 AM EDT Wed Jun 12 2024 .TODAY...SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas 1 foot or less. Wave Detail: S 1 foot at 6 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 foot at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and S 1 foot at 8 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. Showers likely. .SAT THROUGH SUN 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. $$ ANZ234-122100- Buzzards Bay- 404 AM EDT Wed Jun 12 2024 .TODAY...SW winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas 1 foot or less. Wave Detail: S 1 foot at 6 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 1 foot at 8 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 7 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. Showers likely. .SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-122100- Rhode Island Sound- 404 AM EDT Wed Jun 12 2024 .TODAY...W winds around 5 kt, becoming SW this afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 8 seconds. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. Showers likely. .SAT THROUGH SUN 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. $$ ANZ237-122100- Block Island Sound- 404 AM EDT Wed Jun 12 2024 .TODAY...W winds around 5 kt, becoming SW this afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 6 seconds. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. Showers likely in the evening. A chance of showers after midnight. Vsby 1 to 3 NM. .SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-122100- Boston Harbor- 404 AM EDT Wed Jun 12 2024 .TODAY...W winds around 5 kt, becoming SE this afternoon. Waves 1 foot or less. Isolated showers this morning, then scattered showers this afternoon. .TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .THU...SW winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft in the afternoon. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...SW winds around 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming NW after midnight. Waves around 2 ft in the evening, then 1 foot or less. Showers with a chance of tstms in the evening, then a chance of showers after midnight. Some tstms may produce heavy rainfall in the evening. .SAT THROUGH SUN NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. 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. $$ ANZ236-122100- Narragansett Bay- 404 AM EDT Wed Jun 12 2024 .TODAY...W winds around 5 kt, becoming SW this afternoon. Waves 1 foot or less. Isolated showers this afternoon. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .THU...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves 2 to 3 ft. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers in the afternoon. .FRI NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Waves 2 to 3 ft. Showers likely in the evening. A chance of showers after midnight. .SAT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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