Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 221417 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 1017 AM EDT Sat Jul 22 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-230315- 1017 AM EDT Sat Jul 22 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak low pressure will remain along the Massachusetts coast today. Late tonight and Sunday, the coastal waters will be in between high pressure building from Canada to northern New England and low pressure emerging off the Mid-Atlantic coast. The low will pass southeast of the waters Sunday night. Additional waves of low pressure will pass over the southern waters Monday...moving east of the region Tuesday. Strong high pressure will be centered over the waters 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. $$ ANZ250-230315- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...NW winds around 5 kt, becoming S. Seas 2 to 3 ft. .TONIGHT...S winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Seas 2 to 4 ft. .SUN...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. .MON...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-230315- Massachusetts Bay and Ipswich Bay- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...W winds around 5 kt, becoming SE. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt, becoming N 15 to 20 kt after midnight. Seas 2 to 3 ft. .SUN...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers. .MON...E winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .MON NIGHT...NE winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S 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. $$ ANZ231-230315- Cape Cod Bay- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...NW winds around 5 kt, becoming E. Seas 1 foot or less. .TONIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 1 foot or less. .SUN...NE winds 10 to 15 kt. Seas around 2 ft. .SUN NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas around 2 ft. A chance of showers. .MON...E winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .MON NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...NE winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-230315- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...NW winds around 5 kt, becoming S. Seas 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...NE winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. .MON...E winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S 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. $$ ANZ255-230315- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...NW winds around 5 kt, becoming S. Seas 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SUN...NE winds 10 to 15 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. A chance of showers. .MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...NE winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-230315- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...W winds around 5 kt, becoming SW. Seas around 3 ft. .TONIGHT...SE winds 5 to 10 kt. Seas around 3 ft. A chance of showers. .SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers. .MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .TUE...N winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...S 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. $$ ANZ232-230315- Nantucket Sound- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...W winds around 5 kt, becoming S. Seas 1 to 2 ft. .TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .SUN...NE winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers. .MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .WED...NE winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-230315- Vineyard Sound- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...W winds around 5 kt, becoming S. Seas 1 to 2 ft. .TONIGHT...S winds 5 to 10 kt, becoming W after midnight. Seas 1 foot or less. Patchy fog. A chance of showers. .SUN...NE winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers. .MON...E winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...S 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. $$ ANZ234-230315- Buzzards Bay- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...SW winds around 5 kt, becoming S. Seas 1 to 2 ft. .TONIGHT...S winds 5 to 10 kt, becoming NW after midnight. Seas around 2 ft. A chance of showers. .SUN...NE winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt with gusts up to 20 kt after midnight. Seas around 2 ft. A chance of showers. .MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-230315- Rhode Island Sound- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 3 ft. Patchy fog. A chance of showers. .SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. .MON...E winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S 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. $$ ANZ237-230315- Block Island Sound- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...W winds around 5 kt, becoming S. Seas 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas 2 to 3 ft. A chance of showers. .SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT...E winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .MON...E winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-230315- Boston Harbor- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...SW winds around 5 kt, becoming SE. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. .SUN...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .SUN NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. A chance of showers. .MON...E winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .MON NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. A chance of showers. .TUE...N winds around 5 kt. Seas around 2 ft. A chance of showers. .TUE NIGHT...N winds around 5 kt. Seas 1 foot or less. .WED...S winds around 5 kt. Seas 1 foot or less. .WED NIGHT...S winds around 5 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. $$ ANZ236-230315- Narragansett Bay- 1017 AM EDT Sat Jul 22 2017 .THIS AFTERNOON...SW winds around 5 kt, becoming S. Seas around 2 ft. .TONIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. .SUN...NE winds 10 to 15 kt. Seas around 2 ft. A chance of showers. .SUN NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers. .MON...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. .MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .TUE NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .WED...E winds around 5 kt. Seas 1 foot or less. .WED NIGHT...S winds around 5 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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