Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 260737 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 337 AM EDT Tue Sep 26 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-262030- 337 AM EDT Tue Sep 26 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Areas of dense fog will impact the waters at times, mainly during the overnight and early to mid morning hours through Thu. Meanwhile, large southerly swell from distant Hurricane Maria will continue to impact our southern waters through the end of the work week. A cold front from Canada will cross the waters on Thu and force Maria to pass well southeast of our waters. Large high pres over the Great Lakes Sat will build across the waters Sun into Mon. 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. $$ ANZ250-262030- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 337 AM EDT Tue Sep 26 2017 .TODAY...S winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas 2 to 4 ft. Areas of dense fog this morning. Patchy drizzle this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .WED...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU...W winds 10 to 15 kt, becoming N in the afternoon. Seas 3 to 5 ft. Areas of fog. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. .FRI...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft. .SAT...NE winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-262030- Massachusetts Bay and Ipswich Bay- 337 AM EDT Tue Sep 26 2017 .TODAY...S winds around 5 kt, becoming SE this afternoon. Seas 2 to 3 ft. Areas of dense fog this morning. Patchy drizzle this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .WED...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU...NW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...NE winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...NW 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. $$ ANZ231-262030- Cape Cod Bay- 337 AM EDT Tue Sep 26 2017 .TODAY...SE winds around 5 kt. Seas around 2 ft. Areas of dense fog this morning. Areas of fog this afternoon. Patchy drizzle this morning. Vsby 1 NM or less. .TONIGHT...S winds around 5 kt. Seas 1 foot or less. Areas of fog. Vsby 1 NM or less. .WED...SE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Areas of fog. Vsby 1 NM or less. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU...W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. .FRI...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-262030- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 337 AM EDT Tue Sep 26 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TODAY...SE winds around 5 kt. Seas 4 to 7 ft, except 8 to 11 ft S and E of Nantucket. Areas of dense fog. Patchy drizzle this morning. Vsby 1 NM or less. .TONIGHT...S winds around 5 kt. Seas 4 to 7 ft, except 8 to 11 ft S and E of Nantucket. Areas of fog. Vsby 1 NM or less. .WED...SE winds 5 to 10 kt. Seas 4 to 7 ft, except 8 to 10 ft S and E of Nantucket. Areas of fog. Vsby 1 NM or less. .WED NIGHT...S winds 5 to 10 kt. Seas 5 to 8 ft, except 8 to 13 ft S and E of Nantucket. Areas of fog. Showers likely. Vsby 1 NM or less. .THU...W winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 5 to 8 ft, except 9 to 12 ft S and E of Nantucket. Areas of fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft. .FRI...N winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 4 to 6 ft. .SAT...NE winds 5 to 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE 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. $$ ANZ255-262030- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 337 AM EDT Tue Sep 26 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TODAY...SE winds around 5 kt. Seas 7 to 10 ft. Areas of dense fog. Patchy drizzle this morning. Vsby 1 NM or less. .TONIGHT...SE winds around 5 kt. Seas 8 to 10 ft. Areas of fog. Vsby 1 NM or less. .WED...SE winds 5 to 10 kt. Seas 8 to 10 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...SE winds 5 to 10 kt. Seas 9 to 12 ft. Areas of fog. Showers likely. Vsby 1 NM or less. .THU...N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 8 to 11 ft. Areas of fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 9 ft. Areas of fog. Vsby 1 to 3 NM. .FRI...N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .SAT...NE winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-262030- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 337 AM EDT Tue Sep 26 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TODAY...E winds around 5 kt. Seas 7 to 10 ft. Areas of dense fog. Patchy drizzle this morning. Vsby 1 NM or less. .TONIGHT...E winds around 5 kt. Seas 8 to 11 ft. Areas of fog. Vsby 1 NM or less. .WED...E winds 5 to 10 kt. Seas 9 to 11 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...E winds 5 to 10 kt. Seas 8 to 13 ft. Areas of fog. A chance of showers. Vsby 1 NM or less. .THU...N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 8 to 11 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 7 to 10 ft. .FRI...N winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .SAT...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...NE winds 5 to 10 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. $$ ANZ232-262030- Nantucket Sound- 337 AM EDT Tue Sep 26 2017 .TODAY...SE winds around 5 kt. Seas 2 to 3 ft. Areas of fog. Patchy drizzle this morning. Vsby 1 NM or less. .TONIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Areas of dense fog. Vsby 1 NM or less. .WED...SE winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...S winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Showers likely. Vsby 1 to 3 NM. .THU...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. Areas of fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. .FRI...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-262030- Vineyard Sound- 337 AM EDT Tue Sep 26 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE TONIGHT... .TODAY...SE winds around 5 kt. Seas 3 to 5 ft. Areas of dense fog this morning. Areas of fog this afternoon. Patchy drizzle this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SE winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .WED...SE winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...S winds around 5 kt. Seas 3 to 5 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds around 5 kt. Seas 2 to 3 ft. .SAT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...NE winds 5 to 10 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. $$ ANZ234-262030- Buzzards Bay- 337 AM EDT Tue Sep 26 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE TONIGHT... .TODAY...S winds around 5 kt. Seas 3 to 5 ft. Areas of dense fog this morning. Areas of fog this afternoon. Patchy drizzle this morning. Vsby 1 NM or less, increasing to 1 to 3 NM this afternoon. .TONIGHT...SE winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .WED...SE winds around 5 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...S winds around 5 kt. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...N winds around 5 kt. Seas 2 to 3 ft. .SAT...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-262030- Rhode Island Sound- 337 AM EDT Tue Sep 26 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TODAY...SE winds around 5 kt. Seas 6 to 9 ft. Areas of dense fog. Patchy drizzle this morning. Vsby 1 NM or less. .TONIGHT...SE winds around 5 kt. Seas 7 to 9 ft. Areas of fog. Vsby 1 NM or less. .WED...E winds 5 to 10 kt. Seas 7 to 9 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...SE winds 5 to 10 kt. Seas 6 to 9 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 6 to 9 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. .FRI...N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...NE 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. $$ ANZ237-262030- Block Island Sound- 337 AM EDT Tue Sep 26 2017 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .TODAY...SE winds around 5 kt. Seas 4 to 7 ft. Areas of fog this morning. Patchy drizzle this morning with vsby 1 NM or less. .TONIGHT...E winds around 5 kt. Seas 5 to 8 ft. Areas of fog. Vsby 1 NM or less. .WED...E winds around 5 kt. Seas 6 to 9 ft. Areas of fog. Vsby 1 NM or less. .WED NIGHT...E winds around 5 kt. Seas 5 to 8 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Seas 5 to 8 ft. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 8 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-262030- Boston Harbor- 337 AM EDT Tue Sep 26 2017 .TODAY...SE winds around 5 kt. Waves 1 foot or less. Areas of dense fog this morning. Patchy drizzle this morning with vsby 1 NM or less. .TONIGHT...S winds around 5 kt. Waves 1 foot or less. Areas of fog. Vsby 1 NM or less. .WED...S winds around 5 kt. Waves 1 foot or less. Areas of fog. Vsby 1 NM or less. .WED NIGHT...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .THU...NW winds 5 to 10 kt. Waves around 2 ft. .THU NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .FRI...N winds 5 to 10 kt. Waves around 2 ft. .FRI NIGHT...N winds around 5 kt. Waves 1 foot or less. .SAT...NE winds around 5 kt. Waves 1 foot or less. .SAT NIGHT...W winds around 5 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. $$ ANZ236-262030- Narragansett Bay- 337 AM EDT Tue Sep 26 2017 .TODAY...Light and variable winds, becoming SE around 5 kt this afternoon. Waves 2 to 2 ft. Areas of fog this morning. Patchy drizzle this morning with vsby 1 NM or less. .TONIGHT...E winds around 5 kt. Waves 2 to 4 ft, except 5 to 8 ft at the bay entrance. Areas of fog. Vsby 1 NM or less. .WED...SE winds around 5 kt. Waves 2 to 4 ft. Areas of dense fog. Vsby 1 NM or less. .WED NIGHT...SW winds around 5 kt. Waves 2 to 54 ft, except 5 to 8 ft at the bay entrance. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. Areas of fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...N winds around 10 kt with gusts up to 20 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. .FRI...N winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .FRI NIGHT...N winds around 5 kt. Waves 2 to 3 ft. .SAT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of showers. .SAT NIGHT...NE winds around 5 kt. Waves 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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