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Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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771 FZUS51 KBOX 050506 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 105 AM EDT Fri Jul 5 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-051800- 105 AM EDT Fri Jul 5 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure off the east coast will remain in place all weekend and through the middle of next week resulting in continued southwest winds across the waters. $$ ANZ250-051800- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Isolated showers. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Scattered showers. .FRI NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .SAT...S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. .MON THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-051800- Massachusetts Bay and Ipswich Bay- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Isolated showers. .FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Scattered showers. .FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 8 seconds. Patchy fog. Scattered showers. Vsby 1 to 3 NM. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 4 seconds. .MON THROUGH TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 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. $$ ANZ231-051800- Cape Cod Bay- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 3 seconds. Isolated showers. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds. Scattered showers. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .SAT...S winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers in the morning. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SW 1 foot at 2 seconds. A chance of showers in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. .MON THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-051800- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 2 ft at 4 seconds. Isolated showers. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 8 seconds. Scattered showers. .FRI NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .SAT...S winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 4 seconds and E 2 ft at 8 seconds. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. .SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 1 foot at 3 seconds. A chance of showers in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON THROUGH TUE NIGHT...S 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. $$ ANZ255-051800- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 2 ft at 4 seconds. Isolated showers. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 3 ft at 8 seconds. Scattered showers in the morning. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and E 2 ft at 9 seconds. .SAT NIGHT AND SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SE 2 ft at 9 seconds. A chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SE 2 ft at 8 seconds. .MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-051800- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds around 10 kt. Seas around 3 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 9 seconds. Isolated showers. .FRI...S winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds. Scattered showers. Vsby 1 to 3 NM in the morning. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and E 2 ft at 9 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Wave Detail: S 5 ft at 8 seconds and SE 2 ft at 9 seconds. A chance of showers. .SUN...SW winds around 10 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SE 2 ft at 8 seconds. A chance of showers in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. .MON THROUGH TUE NIGHT...S 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. $$ ANZ232-051800- Nantucket Sound- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 8 seconds. Isolated showers. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 8 seconds. Scattered showers. .FRI NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 4 seconds. Patchy fog. Vsby 1 to 3 NM. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds. .SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers. .SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SW 2 ft at 7 seconds. A chance of showers in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-051800- Vineyard Sound- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 9 seconds. Isolated showers. .FRI...S winds around 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 8 seconds. Scattered showers. .FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and SW 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SW 1 foot at 3 seconds. A chance of showers. Patchy fog in the morning. .SAT NIGHT AND SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SW 1 foot at 4 seconds. A chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and SW 1 foot at 3 seconds. .MON THROUGH TUE NIGHT...S 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. $$ ANZ234-051800- Buzzards Bay- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and E 1 foot at 9 seconds. Isolated showers. .FRI...S winds around 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 8 seconds. Scattered showers. .FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SW 1 foot at 3 seconds. Patchy fog. Vsby 1 to 3 NM in the evening. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and SW 2 ft at 3 seconds. A chance of showers. .SAT NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of showers. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds and SW 1 foot at 3 seconds. A chance of showers in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .MON THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-051800- Rhode Island Sound- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds. Scattered showers. .FRI...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and S 2 ft at 11 seconds. Scattered showers. Vsby 1 to 3 NM in the morning. .FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 11 seconds. Patchy fog. Scattered showers after midnight. Vsby 1 to 3 NM in the evening. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds and SE 2 ft at 10 seconds. A chance of showers. Patchy fog in the morning. .SAT NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: S 4 ft at 8 seconds and SW 1 foot at 3 seconds. A chance of showers. .SUN...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SE 1 foot at 8 seconds. A chance of showers in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON THROUGH TUE 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. $$ ANZ237-051800- Block Island Sound- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 9 seconds. Scattered showers. .FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 9 seconds. Scattered showers. Patchy fog in the morning with vsby 1 to 3 NM. .FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and E 2 ft at 8 seconds. Patchy fog. Scattered showers after midnight. Vsby 1 to 3 NM in the evening. .SAT...S winds around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and E 2 ft at 8 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SE 2 ft at 9 seconds. A chance of showers. .SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 1 foot at 3 seconds. A chance of showers in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON THROUGH TUE...S winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...S winds around 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-051800- Boston Harbor- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Isolated showers. .FRI...S winds 5 to 10 kt. Waves 1 foot or less. Scattered showers. .FRI NIGHT...S winds around 10 kt. Waves around 2 ft. Scattered showers. Patchy fog after midnight. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Waves around 2 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .MON THROUGH TUE...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 foot or less. .TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 1 foot or less. 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. $$ ANZ236-051800- Narragansett Bay- 105 AM EDT Fri Jul 5 2024 .REST OF TONIGHT...S winds 5 to 10 kt. Waves around 2 ft. Scattered showers. .FRI...S winds 5 to 10 kt. Waves around 2 ft. Scattered showers. Vsby 1 to 3 NM in the morning. .FRI NIGHT...S winds around 10 kt. Waves around 2 ft. Patchy fog. Scattered showers after midnight. Vsby 1 to 3 NM in the evening. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. Patchy fog in the morning. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 4 ft. A chance of showers. .SUN AND SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 4 ft. .MON THROUGH TUE NIGHT...SW winds 10 to 15 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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