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Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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383 FZUS51 KBOX 030205 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1004 PM EDT Tue Jul 2 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-031500- 1004 PM EDT Tue Jul 2 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Broad high pres over New York to build over the waters by Wed and remain in place thru Wed night. Weak cold front moves over the waters on Thu, with chances for showers and thunderstorms. Cold front stalls Fri, with low pres then moving west of the waters this weekend. $$ ANZ250-031500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 foot at 4 seconds. .WED...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and S 1 foot at 2 seconds. .WED NIGHT...S winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds. .THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 4 seconds. .SAT...S winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds. .SAT NIGHT AND SUN...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-031500- Massachusetts Bay and Ipswich Bay- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 5 seconds and SE 1 foot at 8 seconds. .WED...SW winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SE 1 foot at 3 seconds. .WED NIGHT...S winds around 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and SE 2 ft at 8 seconds. .THU...SW 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. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 8 seconds. .FRI AND FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 3 seconds. .SAT THROUGH SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .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. $$ ANZ231-031500- Cape Cod Bay- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and N 1 foot at 4 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and S 1 foot at 2 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and SE 1 foot at 7 seconds. .THU...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 2 seconds. .THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and E 1 foot at 8 seconds. .SAT NIGHT AND SUN...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-031500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...W winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 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: E 2 ft at 7 seconds and SE 2 ft at 8 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and E 2 ft at 8 seconds. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 2 ft at 3 seconds. .THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 4 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 6 seconds and E 2 ft at 9 seconds. .SAT NIGHT AND SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .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. $$ ANZ255-031500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SE winds around 5 kt, becoming W. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and NE 1 foot at 4 seconds. .WED...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at 6 seconds and SE 1 foot at 17 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and E 2 ft at 8 seconds. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 9 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 9 seconds. .FRI...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers. .FRI NIGHT...S winds around 10 kt. Seas 2 to 3 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .SAT NIGHT AND SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-031500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. 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 E 1 foot at 3 seconds. .WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. .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 2 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at 9 seconds. A chance of showers after midnight. .FRI...SW winds around 10 kt. Seas around 3 ft. Wave Detail: SW 3 ft at 6 seconds and E 2 ft at 8 seconds. A chance of showers in the morning. .FRI NIGHT...S winds around 10 kt. Seas around 3 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .SAT NIGHT AND SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 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. $$ ANZ232-031500- Nantucket Sound- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...S winds around 5 kt, becoming W. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds and S 1 foot at 6 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at 7 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 8 seconds. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 8 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 8 seconds. .SAT NIGHT AND SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-031500- Vineyard Sound- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. 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: S 1 foot at 2 seconds and NE 1 foot at 4 seconds. .WED NIGHT...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 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 foot at 9 seconds. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers in the morning. .FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT AND SUN...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .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. $$ ANZ234-031500- Buzzards Bay- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: NE 1 foot at 2 seconds and S 1 foot at 7 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and E 1 foot at 6 seconds. .WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 8 seconds. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and S 1 foot at 9 seconds. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot at 8 seconds. .SAT NIGHT AND SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-031500- Rhode Island Sound- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 foot at 2 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. .WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .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. Patchy fog in the morning with vsby 1 to 3 NM. .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 9 seconds. A chance of showers after midnight. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and S 2 ft at 12 seconds. A chance of showers in the morning. .FRI NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT AND SUN...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .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. $$ ANZ237-031500- Block Island Sound- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. Seas 1 foot or less, then around 2 ft. Wave Detail: E 1 foot at 4 seconds and S 1 foot at 7 seconds, becoming S 2 ft at 7 seconds and E 1 foot at 4 seconds. .WED...W winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 2 seconds. .WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 3 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 9 seconds. A chance of showers after midnight. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 2 ft at 9 seconds. A chance of showers in the morning. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT AND SUN...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-031500- Boston Harbor- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. Waves 1 foot or less. .WED...SW winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT...S winds 5 to 10 kt. Waves around 2 ft in the evening, then 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 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .FRI AND FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .SAT THROUGH SUN...SW winds 10 to 15 kt. Waves around 2 ft. A chance of showers. .SUN NIGHT...SW winds 5 to 10 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. $$ ANZ236-031500- Narragansett Bay- 1004 PM EDT Tue Jul 2 2024 .OVERNIGHT...SW winds around 5 kt. Waves 1 foot or less. .WED...SW winds around 5 kt, becoming S in the afternoon. Waves 1 foot or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SAT NIGHT AND SUN...SW winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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