Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 171425 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 1025 AM EDT Thu Aug 17 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-180315- 1025 AM EDT Thu Aug 17 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure will remain over the waters this afternoon into tonight. A warm front will bring a chance of rain for Fri with a cold front passing over the waters on Sat. High pressure will return on Sunday lingering into Tue. 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. $$ ANZ250-180315- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 3 to 5 ft. Patchy fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-180315- Massachusetts Bay and Ipswich Bay- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...W winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 3 ft. .FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. A chance of showers. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Patchy fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds around 5 kt. Seas 1 foot or less. .MON...W winds around 5 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. 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. $$ ANZ231-180315- Cape Cod Bay- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...N winds around 5 kt, becoming S with gusts up to 20 kt. Seas around 2 ft. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. .FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 5 to 10 kt. Gusts up to 25 kt in the morning. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .MON...W winds around 5 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-180315- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds around 5 kt, becoming S. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt in the afternoon. Seas 3 to 5 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds around 5 kt. Seas around 2 ft. .MON NIGHT...SW 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. $$ ANZ255-180315- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds 5 to 10 kt, becoming SE. Seas 2 to 4 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 4 to 6 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-180315- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds 5 to 10 kt, becoming SE. Seas 3 to 4 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt with gusts up to 25 kt, becoming SW 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW 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. $$ ANZ232-180315- Nantucket Sound- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds 5 to 10 kt, becoming S. Seas around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 2 to 4 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-180315- Vineyard Sound- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds 5 to 10 kt, becoming S 10 to 15 kt. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt. Gusts up to 25 kt in the morning. Seas 2 to 4 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. 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. $$ ANZ234-180315- Buzzards Bay- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds around 5 kt, becoming S 10 to 15 kt. Seas around 2 ft. .TONIGHT...SW winds 10 to 15 kt, becoming S 5 to 10 kt after midnight. Seas around 2 ft. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. A chance of showers. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .MON...W winds 5 to 10 kt. Seas 1 foot or less. .MON NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-180315- Rhode Island Sound- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds 5 to 10 kt, becoming S. Seas 2 to 4 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 10 to 15 kt with gusts up to 25 kt, becoming SW 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW 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. $$ ANZ237-180315- Block Island Sound- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds 5 to 10 kt, becoming S. Seas 2 to 4 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...SW winds 5 to 10 kt. Gusts up to 25 kt in the morning. Seas 2 to 4 ft. Patchy fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-180315- Boston Harbor- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...W winds 5 to 10 kt, becoming S. Waves around 2 ft. .TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft. .FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. .SUN...W winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...NW winds around 5 kt. Waves 1 foot or less. .MON...W winds around 5 kt. Waves 1 foot or less. .MON 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. $$ ANZ236-180315- Narragansett Bay- 1025 AM EDT Thu Aug 17 2017 .THIS AFTERNOON...NE winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. .FRI...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. Patchy fog. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to 3 ft. Patchy fog. Showers and tstms likely. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers and tstms. Some tstms may produce heavy rainfall. Vsby 1 NM or less. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt after midnight. Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM. .SUN...W winds 5 to 10 kt. Waves 1 foot or less. .SUN NIGHT...NW winds around 5 kt. Waves 1 foot or less. .MON...W winds around 5 kt. Waves 1 foot or less. .MON NIGHT...SW winds around 5 kt. Waves 1 foot or less. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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