Coastal Waters Forecast
Issued by NWS Boston, MA

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056 FZUS51 KBOX 140146 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 946 PM EDT Fri Jul 13 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-141415- 946 PM EDT Fri Jul 13 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure will remain over the waters through the weekend. A weak cold front approaching from the west late Sunday could bring thunderstorms to the near shore waters. High pressure returns for Monday and Tuesday. A cold front will approach from the Great Lakes Tuesday night into Wednesday. 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. $$ ANZ250-141415- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. .SAT...SE winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SUN...S winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 4 ft. .MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers and tstms likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-141415- Massachusetts Bay and Ipswich Bay- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. .SAT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. .SUN...SW winds around 5 kt, becoming E in the afternoon. Seas 2 to 3 ft. Patchy fog. .SUN NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. .MON...SE winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers and tstms likely. 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. $$ ANZ231-141415- Cape Cod Bay- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. .FRI...S winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. .FRI NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. .SAT...SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .SUN...S winds around 5 kt. Seas around 2 ft. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft. A chance of showers and tstms. .MON...S winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers and tstms likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-141415- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...E winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. .SAT...E winds around 5 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...S winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON...S winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers and tstms likely. 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. $$ ANZ255-141415- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...E winds around 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. .SAT...E winds around 5 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .MON...SW winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft. Showers and tstms likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-141415- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. .SAT...SE winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. .SUN...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. A chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. A chance of showers and tstms. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE...SW winds 20 to 25 kt. Seas 4 to 7 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Showers and tstms likely. 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. $$ ANZ232-141415- Nantucket Sound- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. .FRI...SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less. .SAT...SE winds around 5 kt. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .MON...SW winds 10 to 15 kt. Seas around 2 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers and tstms likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-141415- Vineyard Sound- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. .SAT...SE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .MON...SW winds 10 to 15 kt. Seas around 2 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers and tstms likely. 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. $$ ANZ234-141415- Buzzards Bay- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .FRI...S winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas 1 foot or less. .FRI NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. .SAT...SE winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .MON...SW winds 10 to 15 kt. Seas around 2 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers and tstms likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-141415- Rhode Island Sound- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of showers and tstms. .SUN NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers and tstms. .MON...S winds 10 to 15 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...SW winds 20 to 25 kt. Seas 3 to 5 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers and tstms likely. 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. $$ ANZ237-141415- Block Island Sound- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SE winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. .SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .MON...S winds 10 to 15 kt. Seas 2 to 3 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers and tstms likely. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-141415- Boston Harbor- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .FRI...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt in the afternoon. Waves around 2 ft. .FRI NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming S around 5 kt after midnight. Waves 2 to 3 ft. .SAT...SE winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers and tstms. .SUN...W winds around 5 kt, becoming E around 5 kt in the afternoon. Waves around 2 ft. .SUN NIGHT...SE winds around 5 kt, becoming SW around 5 kt after midnight. Waves 1 foot or less. .MON...E winds 5 to 10 kt. Waves 1 foot or less. .MON NIGHT...S winds around 10 kt. Waves 1 foot or less. .TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Showers and tstms likely. 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. $$ ANZ236-141415- Narragansett Bay- 946 PM EDT Fri Jul 13 2018 .REST OF TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. .FRI NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after midnight. Waves around 2 ft. .SAT...S winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers and tstms. .SUN...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers and tstms. .SUN NIGHT...W winds 5 to 10 kt. Waves around 2 ft. A chance of showers and tstms. .MON...S winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...SW winds around 10 kt. Waves around 2 ft. .TUE...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Showers and tstms likely. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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