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Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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411 FZUS51 KBOX 012305 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 704 PM EDT Mon Jul 1 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-021200- 704 PM EDT Mon Jul 1 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... An upper disturbance slides through the region today. This could bring some spotty showers and thunderstorms to the waters this afternoon. This will be followed by a high pres Tue and Wed. High pres moves farther offshore Thu, permitting a cold front to approach. $$ ANZ250-021200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 704 PM EDT Mon Jul 1 2024 .TONIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 7 seconds. .TUE...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and SE 2 ft at 8 seconds. .TUE NIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at 4 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and S 1 foot at 2 seconds. .WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds. .FRI AND FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 2 ft at 3 seconds. .SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-021200- Massachusetts Bay and Ipswich Bay- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and SE 1 foot at 7 seconds. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and SE 1 foot at 8 seconds. .TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas 1 foot or less. Wave Detail: NE 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED...SW winds around 5 kt, becoming S 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: NE 1 foot at 4 seconds and E 1 foot at 8 seconds, becoming E 2 ft at 8 seconds and S 1 foot at 3 seconds. .WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds. .FRI...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 3 seconds. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT AND SAT NIGHT...S winds 10 to 15 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. $$ ANZ231-021200- Cape Cod Bay- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 foot at 4 seconds. .TUE...N winds around 10 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 7 seconds. .TUE NIGHT...S winds around 5 kt, becoming W around 5 kt after midnight. Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: S 1 foot at 2 seconds and NE 1 foot at 4 seconds. .WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 2 ft at 8 seconds. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft, then 1 foot or less. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 2 seconds, becoming S 1 foot at 2 seconds and E 1 foot at 8 seconds. .SAT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...S winds around 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-021200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and N 2 ft at 4 seconds. .TUE...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and N 2 ft at 4 seconds. .TUE NIGHT...N winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and N 1 foot at 4 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at 5 seconds. .WED NIGHT AND THU...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 SE 2 ft at 8 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 E 2 ft at 8 seconds. A chance of showers after midnight. .FRI...SW winds around 10 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT AND SAT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 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. $$ ANZ255-021200- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and N 2 ft at 4 seconds. .TUE...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and NE 2 ft at 4 seconds. .TUE NIGHT...NE winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 foot at 4 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 6 seconds and SW 1 foot at 2 seconds. .WED NIGHT AND THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers after midnight. .FRI THROUGH SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-021200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and N 2 ft at 5 seconds. .TUE...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and SW 2 ft at 7 seconds. .TUE NIGHT...SE winds around 5 kt, becoming W after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 foot at 3 seconds. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. .WED NIGHT AND THU...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 SE 2 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers after midnight. .FRI AND FRI NIGHT...SW winds around 10 kt. Seas 3 to 4 ft. A chance of showers. .SAT AND SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 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. $$ ANZ232-021200- Nantucket Sound- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 10 to 15 kt. Gusts up to 20 kt this evening. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and SE 2 ft at 7 seconds. .TUE...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: N 1 foot at 5 seconds and SE 1 foot at 7 seconds. .TUE NIGHT...NE winds around 5 kt, becoming W around 5 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NE 1 foot at 3 seconds and W 1 foot at 5 seconds, becoming NE 1 foot at 4 seconds and SE 1 foot at 8 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and NE 1 foot at 5 seconds. .WED NIGHT AND THU...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 5 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers after midnight. .FRI...SW winds around 10 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT...S winds around 10 kt. Seas around 2 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-021200- Vineyard Sound- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and NE 1 foot at 3 seconds. .TUE...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 8 seconds and N 1 foot at 3 seconds. .TUE NIGHT...SE winds around 5 kt, becoming W after midnight. Seas 1 foot or less. Wave Detail: NE 1 foot at 3 seconds and S 1 foot at 7 seconds. .WED...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and NE 1 foot at 4 seconds. .WED NIGHT AND THU...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 E 1 foot at 6 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of showers after midnight. .FRI THROUGH SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ234-021200- Buzzards Bay- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and NE 1 foot at 3 seconds. .TUE...NE winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: N 1 foot at 3 seconds and S 1 foot at 7 seconds, becoming NE 1 foot at 2 seconds and S 1 foot at 7 seconds. .TUE NIGHT...SE winds around 5 kt, becoming W after midnight. Seas 1 foot or less. Wave Detail: NE 1 foot at 2 seconds and S 1 foot at 7 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and NE 1 foot at 4 seconds. .WED NIGHT AND THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 6 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of showers after midnight. .FRI THROUGH SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-021200- Rhode Island Sound- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and NE 1 foot at 3 seconds. .TUE...N winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and SE 2 ft at 8 seconds. .TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at 3 seconds, becoming NE 1 foot at 3 seconds and S 1 foot at 7 seconds. .WED...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: NE 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .WED NIGHT AND THU...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 SE 2 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers after midnight. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SAT AND SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 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. $$ ANZ237-021200- Block Island Sound- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and NE 1 foot at 3 seconds. A slight chance of showers this evening. .TUE...NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 foot at 3 seconds. .TUE NIGHT...S winds around 5 kt, becoming W around 5 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 2 ft at 7 seconds and NE 1 foot at 3 seconds, becoming S 1 foot at 7 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SE 1 foot at 8 seconds, becoming SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. .WED NIGHT AND THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers after midnight. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SAT AND SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-021200- Boston Harbor- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt. Waves 1 foot or less. A slight chance of showers this evening. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .TUE NIGHT...S winds around 5 kt, becoming W after midnight. Waves 1 foot or less. .WED...SW winds around 5 kt, becoming S in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT THROUGH THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...S winds 5 to 10 kt. Waves 1 foot or less. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .SAT AND SAT NIGHT...S winds 10 to 15 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. $$ ANZ236-021200- Narragansett Bay- 704 PM EDT Mon Jul 1 2024 .TONIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. A slight chance of showers this evening. .TUE...N winds 5 to 10 kt, becoming E in the afternoon. Waves around 2 ft. .TUE NIGHT...S winds around 5 kt, becoming W around 5 kt after midnight. Waves 1 foot or less. .WED...SW winds 5 to 10 kt. Waves 1 foot or less. .WED NIGHT AND THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. A chance of showers after midnight. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SAT AND SAT NIGHT...S winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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