Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 181607 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 1207 PM EDT Tue Jun 18 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-190515- 1207 PM EDT Tue Jun 18 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Stalled frontal boundary S of Long Island will be the focus for a series of weak low pressure waves and bouts of showers and thunder- storms through Friday. Generally an easterly wind throughout with boating conditions below small craft advisory levels. High pressure into the weekend with westerly winds. 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. $$ ANZ250-190515- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .THU...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...NE winds around 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-190515- Massachusetts Bay and Ipswich Bay- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Showers likely with a slight chance of tstms. Vsby 1 to 3 NM. .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...E winds around 5 kt, becoming SE with gusts up to 20 kt in the afternoon. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...E winds around 5 kt, becoming SE in the afternoon. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 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. $$ ANZ231-190515- Cape Cod Bay- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...S winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. Showers with a slight chance of tstms. .TONIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...E winds 5 to 10 kt. Seas 1 to 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...SE winds 5 to 10 kt. Seas 1 to 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-190515- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...E winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .FRI...N winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds around 10 kt. Seas 3 to 5 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. $$ ANZ255-190515- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .WED...E winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...E winds around 5 kt, becoming S in the afternoon. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...W winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...W winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-190515- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .WED...NE winds around 5 kt, becoming SE around 5 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...S winds 5 to 10 kt. Seas 4 to 5 ft. Patchy fog. Showers. Vsby 1 NM or less. .FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to 7 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 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. $$ ANZ232-190515- Nantucket Sound- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Scattered showers. Vsby 1 NM or less. .WED...E winds around 5 kt. Seas 1 to 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...SE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. .FRI NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-190515- Vineyard Sound- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...E winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU...SE winds around 5 kt. Seas 1 to 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...N winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 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. $$ ANZ234-190515- Buzzards Bay- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas 1 foot or less. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...SE winds around 5 kt. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SE winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...S winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...N winds 5 to 10 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT...NW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-190515- Rhode Island Sound- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...NE winds around 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .SAT...NW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 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. $$ ANZ237-190515- Block Island Sound- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Showers likely with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...E winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...NE winds around 5 kt, becoming SE in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 NM or less. .FRI...NW winds 5 to 10 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .FRI NIGHT...NW winds around 10 kt. Seas 3 to 5 ft. .SAT...NW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-190515- Boston Harbor- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...E winds around 5 kt. Waves 1 foot or less. Showers likely. Vsby 1 to 3 NM. .TONIGHT...SE winds around 5 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .WED...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SE winds around 5 kt. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .THU...E winds around 5 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .THU NIGHT...SE winds around 5 kt. Waves 1 foot or less. Patchy fog. Showers. .FRI...N winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. .FRI NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .SAT...NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 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. $$ ANZ236-190515- Narragansett Bay- 1207 PM EDT Tue Jun 18 2019 .THIS AFTERNOON...SE winds around 5 kt. Waves around 2 ft. Patchy fog. Showers with a slight chance of tstms. Vsby 1 NM or less. .TONIGHT...NE winds around 5 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED...NE winds around 5 kt, becoming SE in the afternoon. Waves 1 to 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...SE winds around 5 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU...E winds around 5 kt, becoming SE in the afternoon. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .THU NIGHT...SE winds 5 to 10 kt. Waves 2 to 4 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .FRI...N winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to 4 ft. Showers likely. .FRI NIGHT...NW winds around 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SAT...NW winds around 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SAT NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston

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