Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 151116 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 AM EDT Wed Aug 15 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-160000- 716 AM EDT Wed Aug 15 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A nearly stationary front across the eastern waters will push further north this morning, with a cold front slowly crossing Wed night. The front will stall near or just off the New England south coast Thu. Another cold front will approach the waters from the west Fri night and Sat. High pres builds across on Sunday. 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. $$ ANZ250-160000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 AM EDT Wed Aug 15 2018 .TODAY...SW winds 5 to 10 kt, diminishing to around 5 kt this afternoon. Seas 2 to 3 ft. .TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. .FRI...SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of tstms. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 4 to 6 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-160000- Massachusetts Bay and Ipswich Bay- 716 AM EDT Wed Aug 15 2018 .TODAY...SW winds around 5 kt, becoming SE around 5 kt this afternoon. Seas around 2 ft. .TONIGHT...S winds around 5 kt, becoming W after midnight. Seas 1 foot or less. .THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .THU NIGHT...S winds around 5 kt, becoming E after midnight. Seas 1 foot or less. .FRI...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .FRI NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .SUN...NE winds 5 to 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 5 to 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. $$ ANZ231-160000- Cape Cod Bay- 716 AM EDT Wed Aug 15 2018 .TODAY...SW winds 5 to 10 kt. Seas 1 foot or less. .TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds around 5 kt. Seas 1 foot or less. .FRI...SW winds around 5 kt, becoming S with gusts up to 20 kt in the afternoon. Seas 1 foot or less. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 5 ft. .SUN...NE winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-160000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 AM EDT Wed Aug 15 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A slight chance of showers with isolated tstms. .TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SUN...NE winds around 10 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 4 to 7 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. $$ ANZ255-160000- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 AM EDT Wed Aug 15 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Scattered showers with isolated tstms this morning. .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .THU...W winds around 10 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming W 10 to 15 kt after midnight. Seas around 3 ft. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NE winds around 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 4 to 6 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-160000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 AM EDT Wed Aug 15 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Isolated showers and tstms this morning. .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas around 3 ft. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SUN...NE winds 5 to 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 4 to 6 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. $$ ANZ232-160000- Nantucket Sound- 716 AM EDT Wed Aug 15 2018 .TODAY...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Scattered showers with isolated tstms this morning. .TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...NE winds around 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-160000- Vineyard Sound- 716 AM EDT Wed Aug 15 2018 .TODAY...SW winds 10 to 15 kt. Gusts up to 20 kt this morning. Seas 2 to 3 ft. Scattered showers with isolated tstms this morning. .TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .THU...W winds around 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .FRI...SW 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. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. .SUN...NE winds around 10 kt. Seas 2 to 3 ft. .SUN NIGHT...NE 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. $$ ANZ234-160000- Buzzards Bay- 716 AM EDT Wed Aug 15 2018 .TODAY...SW winds 5 to 10 kt. Gusts up to 20 kt this morning. Seas around 2 ft. Isolated showers and tstms this morning. .TONIGHT...W winds 5 to 10 kt. Seas around 2 ft. .THU...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-160000- Rhode Island Sound- 716 AM EDT Wed Aug 15 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... .TODAY...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Isolated showers and tstms this morning. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. .THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .FRI...SW 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. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...NE winds around 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE 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. $$ ANZ237-160000- Block Island Sound- 716 AM EDT Wed Aug 15 2018 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... .TODAY...W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. .TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN...NE winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-160000- Boston Harbor- 716 AM EDT Wed Aug 15 2018 .TODAY...SW winds around 5 kt, becoming E this afternoon. Waves 1 foot or less. .TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .THU...SW winds around 5 kt. Waves 1 foot or less. .THU NIGHT...E winds around 5 kt. Waves 1 foot or less. .FRI...SE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers and tstms. .FRI NIGHT...S winds 5 to 10 kt, becoming W after midnight. Waves 1 foot or less. A chance of showers and tstms. .SAT...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .SUN...NE winds around 5 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance. .SUN NIGHT...NE 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. $$ ANZ236-160000- Narragansett Bay- 716 AM EDT Wed Aug 15 2018 .TODAY...W winds 5 to 10 kt. Waves 2 to 3 ft. .TONIGHT...W winds 5 to 10 kt. Waves around 2 ft. .THU...W winds 5 to 10 kt. Waves around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. .FRI...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 4 ft. A chance of showers and tstms. .SAT...N winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. .SAT NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .SUN...NE winds 5 to 10 kt. Waves around 2 ft. .SUN NIGHT...NE winds around 5 kt. Waves around 2 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates, please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston

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