Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 162316 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 PM EDT Wed May 16 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-171200- 716 PM EDT Wed May 16 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... Another round of showers should arrive later today into tonight, mainly across the srn coastal waters. Drier weather moves back over the waters Thu. More showers possible Fri into 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. $$ ANZ250-171200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EDT Wed May 16 2018 .TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. Patchy fog. Showers likely after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Patchy fog. Vsby 1 NM or less. .THU NIGHT...SE winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. .FRI...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .SAT NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas 4 to 6 ft. Patchy fog. Showers likely. .SUN...SW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-171200- Massachusetts Bay and Ipswich Bay- 716 PM EDT Wed May 16 2018 .TONIGHT...S winds around 5 kt. Seas around 2 ft. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM. .THU...SW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...SE winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft. .FRI...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM. .SAT NIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 4 ft. Patchy fog. Showers likely. .SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...W 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. $$ ANZ231-171200- Cape Cod Bay- 716 PM EDT Wed May 16 2018 .TONIGHT...SE winds around 5 kt. Seas 1 foot or less. Patchy fog. A chance of rain this evening, then showers after midnight with vsby 1 NM or less. .THU...NW winds around 5 kt, becoming SW around 5 kt in the afternoon. Seas 1 foot or less. Patchy fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt, becoming NE with gusts up to 20 kt after midnight. Seas around 2 ft. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. .SUN...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-171200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EDT Wed May 16 2018 .TONIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .THU...SW winds around 5 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 NM or less. .THU NIGHT...S winds around 5 kt, becoming NE with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .FRI...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of rain. .FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Showers likely. Vsby 1 to 3 NM. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. Showers likely. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .MON...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 3 to 5 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. $$ ANZ255-171200- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EDT Wed May 16 2018 .TONIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Rain likely this evening. Showers after midnight. Vsby 1 NM or less. .THU...W winds around 5 kt. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 NM or less. .THU NIGHT...W winds around 5 kt, becoming NE after midnight. Seas 3 to 5 ft. A chance of rain. .FRI...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain. .FRI NIGHT...E winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SAT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. Showers likely. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .MON...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...W winds around 10 kt. Seas 3 to 5 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-171200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EDT Wed May 16 2018 .TONIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. Patchy fog. Rain this evening. Showers after midnight. Vsby 1 NM or less. .THU...N winds around 5 kt, becoming SW in the afternoon. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds around 5 kt, becoming NE after midnight. Seas 3 to 5 ft. A chance of rain. .FRI...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely. .FRI NIGHT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. Vsby 1 to 3 NM. .SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 5 to 7 ft. Patchy fog. Showers likely. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. .MON...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON NIGHT...W winds around 10 kt. Seas 3 to 5 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. $$ ANZ232-171200- Nantucket Sound- 716 PM EDT Wed May 16 2018 .TONIGHT...E winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 1 foot or less. Patchy fog. Rain likely this evening, then showers likely after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...NW winds around 5 kt, becoming SW around 5 kt in the afternoon. Seas 1 foot or less. Patchy fog. Showers likely. Vsby 1 NM or less. .THU NIGHT...SW winds around 5 kt, becoming NE after midnight. Seas around 2 ft. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. .FRI NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM. .SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Patchy fog. Showers likely. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...W winds around 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-171200- Vineyard Sound- 716 PM EDT Wed May 16 2018 .TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Patchy fog. Rain likely this evening, then showers after midnight with vsby 1 to 3 NM. .THU...NW winds around 5 kt, becoming SW around 5 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .THU NIGHT...SW winds around 5 kt, becoming N after midnight. Seas 2 to 3 ft. .FRI...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .FRI NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers. .SAT NIGHT...S winds around 10 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...W winds around 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. $$ ANZ234-171200- Buzzards Bay- 716 PM EDT Wed May 16 2018 .TONIGHT...E winds around 5 kt. Seas around 2 ft. Patchy fog. Rain likely this evening, then showers likely after midnight with vsby 1 to 3 NM. .THU...NW winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...SW winds around 5 kt, becoming N with gusts up to 20 kt after midnight. Seas around 2 ft. .FRI...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers. Vsby 1 to 3 NM. .SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .MON...W winds 5 to 10 kt. Seas around 2 ft. .MON NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-171200- Rhode Island Sound- 716 PM EDT Wed May 16 2018 .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Rain this evening, then showers likely after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...NW winds around 5 kt, becoming SW around 5 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...SW winds around 5 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .FRI NIGHT...NE winds 15 to 20 kt, becoming E 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .SAT NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 5 ft. Patchy fog. Showers likely. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .MON...W winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 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. $$ ANZ237-171200- Block Island Sound- 716 PM EDT Wed May 16 2018 .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Rain this evening, then showers after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...N winds around 5 kt, becoming SW around 5 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...SW winds around 5 kt, becoming N with gusts up to 20 kt after midnight. Seas 2 to 4 ft. .FRI...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of rain. .FRI NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Showers likely. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. .MON...W winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-171200- Boston Harbor- 716 PM EDT Wed May 16 2018 .TONIGHT...S winds around 5 kt. Waves 1 foot or less. Patchy fog. A slight chance of rain this evening, then showers likely after midnight with vsby 1 to 3 NM. .THU...SW winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...E winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 25 kt after midnight. Waves around 2 ft. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .SAT...E winds 5 to 10 kt. Waves 1 foot or less. Showers. Vsby 1 to 3 NM. .SAT NIGHT...E winds around 5 kt, becoming SW after midnight. Waves 1 foot or less. Patchy fog. Showers likely. .SUN...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .SUN NIGHT...W winds around 5 kt. Waves 1 foot or less. A chance of showers. .MON...W winds around 5 kt. Waves 1 foot or less. .MON NIGHT...NW winds around 5 kt. Waves 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. $$ ANZ236-171200- Narragansett Bay- 716 PM EDT Wed May 16 2018 .TONIGHT...SE winds around 5 kt, becoming NE after midnight. Waves 2 to 3 ft. Patchy fog. Rain likely this evening, then showers likely after midnight with vsby 1 to 3 NM. .THU...NW winds around 5 kt, becoming SW in the afternoon. Waves 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM. .THU NIGHT...SW winds around 5 kt, becoming NE with gusts up to 20 kt after midnight. Waves 2 to 3 ft. .FRI...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of rain. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely. Vsby 1 to 3 NM. .SAT...E winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Waves 2 to 3 ft. Showers. Vsby 1 to 3 NM. .SAT NIGHT...S winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Showers likely. .SUN...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. .MON...W winds 5 to 10 kt. Waves around 2 ft. .MON NIGHT...W winds 5 to 10 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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