Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 191817 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 PM EST Tue Feb 19 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-200700- 116 PM EST Tue Feb 19 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres builds in from the W this afternoon and Wed. Low pres approaches the waters from the SW Wed night, then passes over the waters Thu. High pres follows for Fri and Sat. 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. $$ ANZ250-200700- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 PM EST Tue Feb 19 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Light freezing spray. .TONIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Light freezing spray. .WED...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 10 to 15 kt, becoming SE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Patchy fog. Snow, rain and sleet. Vsby 1 NM or less. .THU...S winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-200700- Massachusetts Bay and Ipswich Bay- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Patchy fog. Snow, rain and sleet. Vsby 1 NM or less. .THU...S winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Rain with snow likely. 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. $$ ANZ231-200700- Cape Cod Bay- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. Patchy fog. Snow, rain and sleet. Vsby 1 NM or less. .THU...S winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...SE winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. Rain and snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-200700- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 PM EST Tue Feb 19 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt, becoming SE 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. Patchy fog. Snow, rain and sleet. Vsby 1 NM or less. .THU...S winds 15 to 20 kt, becoming W in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. Rain likely. Vsby 1 NM or less. .THU NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .FRI...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...E winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain. 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. $$ ANZ255-200700- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt, becoming SE 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Rain with snow likely. Vsby 1 NM or less. .THU...S winds 15 to 20 kt, becoming W in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 5 to 8 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 4 ft. .SAT...E winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-200700- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...N winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .WED NIGHT...SE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Rain with a chance of snow. Vsby 1 NM or less. .THU...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of rain. Vsby 1 NM or less. .THU NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...E winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Rain. 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. $$ ANZ232-200700- Nantucket Sound- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TONIGHT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. .WED...N winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. Patchy fog. Rain, snow and sleet. Vsby 1 NM or less. .THU...S winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...E winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Rain with snow likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-200700- Vineyard Sound- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. .WED...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas around 2 ft. Patchy fog. Rain, snow and sleet. Vsby 1 NM or less. .THU...S winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...SE winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. Rain. 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. $$ ANZ234-200700- Buzzards Bay- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt. Seas 1 foot or less. .TONIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .WED...N winds around 5 kt, becoming S around 5 kt in the afternoon. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Patchy fog. Rain with snow likely with sleet. Vsby 1 NM or less. .THU...S winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Rain likely. Vsby 1 NM or less. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .SAT...SE winds 5 to 10 kt. Seas 1 foot or less. .SAT NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Rain with a chance of snow. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-200700- Rhode Island Sound- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 1 foot or less. .WED NIGHT...S winds 10 to 15 kt, becoming SE 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Rain with snow likely with sleet. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. Vsby 1 to 3 NM. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...SE winds 5 to 10 kt. Seas around 2 ft. .SAT NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Rain. 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. $$ ANZ237-200700- Block Island Sound- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...N winds around 5 kt, becoming SE in the afternoon. Seas 1 foot or less. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Rain, sleet with a chance of snow. Vsby 1 NM or less. .THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of rain. .SAT NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-200700- Boston Harbor- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .TONIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .WED...NW winds around 5 kt, becoming SW in the afternoon. Waves 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. Patchy fog. Snow, rain and sleet. Vsby 1 to 3 NM. .THU...S winds 5 to 10 kt, becoming W in the afternoon. Gusts up to 20 kt. Waves around 2 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .SAT...SW winds 5 to 10 kt. Waves 1 foot or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Rain and snow. 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. $$ ANZ236-200700- Narragansett Bay- 116 PM EST Tue Feb 19 2019 .THIS AFTERNOON...NW winds 10 to 15 kt. Waves around 2 ft. .TONIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .WED...N winds around 5 kt, becoming S in the afternoon. Waves 1 foot or less. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt after midnight. Waves 2 to 3 ft. Patchy fog. Rain and sleet with snow likely. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt, becoming W in the afternoon. Gusts up to 20 kt. Waves 2 to 4 ft. A chance of rain. Vsby 1 NM or less. .THU NIGHT...NW winds around 10 kt. Gusts up to 20 kt after midnight. Waves 2 to 3 ft. .FRI...NW winds 5 to 10 kt. Waves 2 to 3 ft. .FRI NIGHT...NW winds around 5 kt. Waves around 2 ft. .SAT...SE winds around 5 kt. Waves around 2 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. Rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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