Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 260831 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 431 AM EDT Wed Sep 26 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-262115- 431 AM EDT Wed Sep 26 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Gusty winds are expected today, with scattered showers possible. A cold front will cross the region tonight. High pres builds over New Eng Thu and through this weekend. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$ ANZ250-262115- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Isolated tstms this afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...S winds 15 to 20 kt, becoming W after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. .FRI...E winds 5 to 10 kt. Seas 2 to 4 ft. .FRI NIGHT...SE winds around 5 kt, becoming W after midnight. Seas 3 to 5 ft. .SAT...W winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...W winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 4 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-262115- Massachusetts Bay and Ipswich Bay- 431 AM EDT Wed Sep 26 2018 .TODAY...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. Isolated tstms this afternoon. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...NE winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 3 to 5 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. .FRI...E winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds around 5 kt, becoming W after midnight. Seas 2 to 4 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 5 to 10 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. $$ ANZ231-262115- Cape Cod Bay- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of showers. Isolated tstms. Patchy fog this morning. Some tstms may produce gusty winds and heavy rainfall this morning with vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...NE winds around 5 kt, becoming W after midnight. Seas 2 to 3 ft. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-262115- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers with isolated tstms. Vsby 1 NM or less. .TONIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. A chance of rain. .FRI...E winds 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 3 to 5 ft. .SAT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...N winds 5 to 10 kt. Seas 4 to 6 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 4 to 6 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. $$ ANZ255-262115- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...S winds around 15 kt with gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Isolated tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. A chance of rain. .FRI...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of rain. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...N winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-262115- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...S winds 10 to 15 kt with gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Isolated tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. A chance of rain. .FRI...E winds 5 to 10 kt. Seas 3 to 5 ft. A chance of rain. Vsby 1 to 3 NM. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 3 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SAT...NW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. .SUN...NW winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...W winds 5 to 10 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. $$ ANZ232-262115- Nantucket Sound- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds around 15 kt with gusts up to 30 kt. Seas around 3 ft. Patchy fog. A chance of showers. Isolated tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of rain. .FRI...E winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 2 to 3 ft. Patchy fog. Vsby 1 NM or less. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-262115- Vineyard Sound- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds around 15 kt with gusts up to 30 kt. Seas 3 to 4 ft. Patchy fog. Showers likely this morning, then a chance of showers with isolated tstms this afternoon. Vsby 1 to 3 NM this morning. .TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .THU...NE winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 2 to 3 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...N winds around 10 kt. Seas around 2 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 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. $$ ANZ234-262115- Buzzards Bay- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds around 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers likely this morning, then a chance of showers with isolated tstms this afternoon. Vsby 1 to 3 NM this morning. .TONIGHT...SW winds 10 to 15 kt with gusts up to 30 kt, becoming NW 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .THU...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain. .FRI...E winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .SAT...W winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .SUN...NW winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-262115- Rhode Island Sound- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...S winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Isolated tstms this afternoon. Vsby 1 to 3 NM this morning. .TONIGHT...S winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 15 to 20 kt with gusts up to 25 kt, becoming NE 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of rain. .FRI...E winds 5 to 10 kt. Seas 2 to 4 ft. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SAT...W winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...N winds around 10 kt. Seas 2 to 3 ft. .SUN...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 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. $$ ANZ237-262115- Block Island Sound- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .TODAY...S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Isolated tstms this afternoon. Vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 ft. A chance of rain. .FRI...E winds 5 to 10 kt. Seas 2 to 4 ft. A chance of rain. Vsby 1 to 3 NM. .FRI NIGHT...NE winds around 5 kt, becoming NW after midnight. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds around 5 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-262115- Boston Harbor- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...S winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of showers. Isolated tstms this afternoon. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Waves around 2 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less. .FRI...NE winds around 5 kt. Waves 1 foot or less. .FRI NIGHT...S winds around 5 kt, becoming W after midnight. Waves 1 foot or less. .SAT...W winds 5 to 10 kt. Waves 1 foot or less. .SAT NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN...W winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less. 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. $$ ANZ236-262115- Narragansett Bay- 431 AM EDT Wed Sep 26 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM EDT THIS AFTERNOON... .TODAY...S winds 10 to 15 kt with gusts up to 25 kt. Waves 3 to 5 ft. Patchy fog. A chance of showers. Scattered tstms this morning, then isolated tstms this afternoon. Some tstms may produce gusty winds and heavy rainfall this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt, becoming NW 5 to 10 kt after midnight. Gusts up to 25 kt. Waves 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 10 to 15 kt with gusts up to 20 kt, becoming NE 5 to 10 kt in the afternoon. Waves 2 to 3 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft. .FRI...NE winds around 5 kt. Waves 2 to 3 ft. .FRI NIGHT...NE winds around 5 kt, becoming W after midnight. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .SUN...W winds around 5 kt. Waves around 2 ft. .SUN NIGHT...W winds around 5 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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