Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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493 FZUS51 KBOX 081843 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA Issued by National Weather Service New York NY 243 PM EDT Wed May 8 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-090715- 243 PM EDT Wed May 8 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Showers and isolated thunderstorms move through the region this morning ahead of a warm front. Then a second round of scattered showers and thunderstorms develop this afternoon with a few strong storms capable of producing hail. Periods of unsettled weather continue late this week into this weekend with showers at times. Temperatures will average below normal late this week into the weekend. Milder/Seasonable temperatures should return early next week. $$ ANZ250-090715- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 243 PM EDT Wed May 8 2024 .TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Isolated showers and tstms this evening with vsby 1 NM or less. .THU...N winds around 10 kt. Seas 2 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Scattered showers after midnight. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Scattered showers in the morning, then a chance of rain in the afternoon. .FRI NIGHT...NE winds around 10 kt. Seas 4 to 5 ft. A chance of rain in the evening. .SAT AND SAT NIGHT...S winds around 10 kt. Seas 3 to 5 ft. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-090715- Massachusetts Bay and Ipswich Bay- 243 PM EDT Wed May 8 2024 .TONIGHT...NE winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. Isolated showers and tstms this evening with vsby 1 NM or less. .THU...N winds around 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Scattered showers. .FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Scattered showers in the morning, then a chance of rain in the afternoon. .FRI NIGHT...NE winds around 10 kt. Seas 3 to 5 ft. A chance of rain. .SAT...NE winds around 10 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds around 10 kt, becoming S after midnight. Seas 3 to 5 ft. .SUN AND SUN NIGHT...SE winds around 10 kt. Seas 2 to 3 ft. A chance of rain. .MON AND MON NIGHT...NE winds around 10 kt, becoming SW. Seas 2 to 3 ft. Winds and seas 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. $$ ANZ231-090715- Cape Cod Bay- 243 PM EDT Wed May 8 2024 .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. Scattered showers and tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas 2 to 3 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Scattered showers. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Scattered showers in the morning. .FRI NIGHT...NE winds around 10 kt. Seas 2 to 4 ft. A chance of rain in the evening. .SAT AND SAT NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. .SUN THROUGH MON NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-090715- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 243 PM EDT Wed May 8 2024 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. Scattered showers and tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming N in the afternoon. Seas 2 to 4 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers in the morning. .FRI NIGHT AND SAT...N winds around 10 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds around 10 kt. Seas 3 to 5 ft. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Winds and seas 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. $$ ANZ255-090715- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 243 PM EDT Wed May 8 2024 .TONIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 4 ft. Scattered showers with isolated tstms this evening with vsby 1 NM or less. .THU...NW winds around 10 kt, becoming NE with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 2 to 4 ft. Scattered showers. .FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Scattered showers in the morning. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SAT AND SAT NIGHT...S winds around 10 kt. Seas 3 to 5 ft. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-090715- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 243 PM EDT Wed May 8 2024 .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 4 ft. Isolated showers and tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming E 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Scattered showers. .FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Scattered showers in the morning. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SAT AND SAT NIGHT...S winds around 10 kt. Seas 3 to 5 ft. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Winds and seas 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. $$ ANZ232-090715- Nantucket Sound- 243 PM EDT Wed May 8 2024 .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Scattered showers and tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Scattered showers. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Scattered showers in the morning. .FRI NIGHT...NE winds around 10 kt. Seas 2 to 3 ft. .SAT AND SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-090715- Vineyard Sound- 243 PM EDT Wed May 8 2024 .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Scattered showers and tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the afternoon. Seas around 2 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 15 to 20 kt. Seas around 2 ft. Scattered showers. .FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Scattered showers in the morning. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. .SAT AND SAT NIGHT...S winds around 10 kt. Seas around 2 ft. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas 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. $$ ANZ234-090715- Buzzards Bay- 243 PM EDT Wed May 8 2024 .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. Scattered showers and tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the afternoon. Seas around 2 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas around 2 ft. Scattered showers. .FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Scattered showers in the morning. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain in the evening. .SAT AND SAT NIGHT...S winds around 10 kt. Seas around 2 ft. .SUN THROUGH MON NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-090715- Rhode Island Sound- 243 PM EDT Wed May 8 2024 .TONIGHT...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. Scattered showers with isolated tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming E 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 15 to 20 kt. Seas 2 to 3 ft. Scattered showers. .FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Scattered showers in the morning, then a chance of rain in the afternoon. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of rain in the evening. .SAT AND SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Winds and seas 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. $$ ANZ237-090715- Block Island Sound- 243 PM EDT Wed May 8 2024 .TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas 2 to 3 ft. Isolated showers and tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Scattered showers. .FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. Scattered showers in the morning, then a chance of rain in the afternoon. .FRI NIGHT...NE winds around 10 kt. Seas 3 to 4 ft. A chance of rain in the evening. .SAT AND SAT NIGHT...S winds around 10 kt. Seas 2 to 3 ft. .SUN THROUGH MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-090715- Boston Harbor- 243 PM EDT Wed May 8 2024 .TONIGHT...NE winds 5 to 10 kt, becoming W after midnight. Waves 1 foot or less. Isolated showers and tstms this evening with vsby 1 NM or less. .THU...N winds 5 to 10 kt, becoming NE 10 to 15 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. Scattered showers in the afternoon. .THU NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Gusts up to 25 kt. Waves around 2 ft. Scattered showers. .FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Waves 2 to 3 ft. Scattered showers in the morning, then a chance of rain in the afternoon. .FRI NIGHT...NE winds 10 to 15 kt. Waves 2 to 3 ft in the evening, then 1 foot or less. At the outer harbor entrance, waves 2 to 4 ft. A chance of rain. .SAT...NE winds around 10 kt. Waves 2 to 3 ft. .SAT NIGHT...SE winds around 10 kt, becoming SW after midnight. Waves around 2 ft in the evening, then 1 foot or less. .SUN AND SUN NIGHT...SE winds 5 to 10 kt, becoming E. Waves around 2 ft. A chance of rain. .MON AND MON NIGHT...NW winds around 10 kt, becoming SW. Waves around 2 ft. 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. $$ ANZ236-090715- Narragansett Bay- 243 PM EDT Wed May 8 2024 .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Waves around 2 ft. Isolated showers and tstms this evening with vsby 1 NM or less. .THU...NW winds 5 to 10 kt, becoming NE 10 to 15 kt in the afternoon. Waves around 2 ft. Scattered showers in the afternoon. .THU NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. Scattered showers. .FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 2 to 3 ft. Scattered showers in the morning, then a chance of rain in the afternoon. .FRI NIGHT...NE winds around 10 kt. Waves 2 to 3 ft. A chance of rain in the evening. .SAT AND SAT NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. .SUN THROUGH MON NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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