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Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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076 FZUS51 KBOX 080204 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1004 PM EDT Sun Jul 7 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-081500- 1004 PM EDT Sun Jul 7 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak cold front stalls across the waters through mid week keeping areas of low status and fog around with southwest flow. Unsettled mid to late week with renewed rain and thunderstorm chances. $$ ANZ250-081500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 2 seconds. Areas of dense fog. Vsby 1 NM or less. .MON...W winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and S 2 ft at 3 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. A chance of showers. .THU AND THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-081500- Massachusetts Bay and Ipswich Bay- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...S winds 5 to 10 kt, becoming SW. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SE 1 foot at 3 seconds. Areas of fog. Vsby 1 NM or less. .MON...N winds around 5 kt, becoming E in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds. Areas of fog in the morning with vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SE 1 foot at 3 seconds. Patchy fog after midnight with vsby 1 NM or less. .TUE...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: S 2 ft at 3 seconds and SE 2 ft at 7 seconds. Patchy fog in the morning. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 1 foot at 7 seconds. .WED AND WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. A chance of showers. .THU AND THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .FRI AND FRI 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. $$ ANZ231-081500- Cape Cod Bay- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 2 seconds and SE 1 foot at 7 seconds. Areas of dense fog. Patchy heavy drizzle. Vsby 1 NM or less. .MON...SW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S 1 foot at 2 seconds and SE 1 foot at 7 seconds. Patchy fog after midnight with vsby 1 NM or less. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds, becoming SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT AND WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .WED NIGHT...S winds around 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 2 seconds, becoming SW 1 foot at 2 seconds and S 1 foot at 7 seconds. A chance of showers. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-081500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. Areas of dense fog. A slight chance of showers with patchy heavy drizzle. Vsby 1 NM or less. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Patchy heavy drizzle in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT THROUGH WED 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 and SE 3 ft at 7 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SW 2 ft at 4 seconds. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 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. $$ ANZ255-081500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds. Patchy dense fog. Areas of dense fog. A slight chance of showers. Patchy heavy drizzle. Vsby 1 NM or less. .MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Patchy drizzle in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and S 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT THROUGH WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. .THU...S winds 15 to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-081500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 7 seconds. Patchy fog. Areas of dense fog. A slight chance of showers with patchy heavy drizzle. Vsby 1 NM or less. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Patchy drizzle in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT THROUGH WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds. .THU NIGHT AND FRI...S winds 15 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 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. $$ ANZ232-081500- Nantucket Sound- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Areas of dense fog. A slight chance of showers with patchy heavy drizzle. Vsby 1 NM or less. .MON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Patchy drizzle in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Patchy fog. Vsby 1 to 3 NM after midnight. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT THROUGH WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .THU THROUGH FRI NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at 7 seconds. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-081500- Vineyard Sound- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. Areas of fog, then areas of dense fog. Patchy drizzle, then patchy heavy drizzle. Vsby 1 NM or less. .MON...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 3 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Patchy drizzle in the morning with vsby 1 NM or less. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby 1 NM or less after midnight. .TUE...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 4 seconds and S 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT THROUGH WED NIGHT...S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ234-081500- Buzzards Bay- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. Areas of fog, then areas of dense fog. Patchy drizzle, then patchy heavy drizzle. Vsby 1 NM or less. .MON...SW winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: S 1 foot at 7 seconds, becoming SW 1 foot at 3 seconds and S 1 foot at 7 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Vsby 1 NM or less in the morning. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. Patchy fog after midnight with vsby 1 NM or less. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 4 seconds and S 1 foot at 7 seconds, becoming SW 2 ft at 3 seconds and S 2 ft at 7 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT THROUGH WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. .THU...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. A chance of showers. .THU NIGHT THROUGH FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-081500- Rhode Island Sound- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. Areas of dense fog. Patchy heavy drizzle. Vsby 1 NM or less. .MON...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Patchy drizzle in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less after midnight. .TUE...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: S 3 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT THROUGH WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 4 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds. A chance of showers. .THU NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI AND FRI NIGHT...SW 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. $$ ANZ237-081500- Block Island Sound- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. Areas of dense fog. Patchy heavy drizzle. Vsby 1 NM or less. .MON...SW winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds. Areas of fog in the morning, then patchy fog in the afternoon. Patchy drizzle in the morning with vsby 1 NM or less. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT THROUGH WED NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 4 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds. A chance of showers. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .FRI AND FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-081500- Boston Harbor- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...SW winds around 5 kt. Waves 1 foot or less. Areas of fog with vsby 1 NM or less. .MON...N winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. Areas of fog in the morning with vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Waves 1 foot or less. .TUE...SW winds around 5 kt, becoming S in the afternoon. Waves 1 foot or less. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED AND WED NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .THU AND THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .FRI AND FRI NIGHT...SW winds 10 to 15 kt. Gusts up to 20 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. $$ ANZ236-081500- Narragansett Bay- 1004 PM EDT Sun Jul 7 2024 .OVERNIGHT...S winds around 5 kt. Waves around 2 ft. Areas of fog. Patchy drizzle, then patchy heavy drizzle. Vsby 1 NM or less. .MON...SW winds around 5 kt, becoming S in the afternoon. Waves around 2 ft. Areas of fog in the morning with vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM after midnight. .TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. Patchy fog in the morning with vsby 1 to 3 NM. .TUE NIGHT AND WED...SW winds 5 to 10 kt. Waves around 2 ft. .WED NIGHT...S winds around 10 kt. Waves around 2 ft. A chance of showers after midnight. .THU AND THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. .FRI AND FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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