Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 210709 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 309 AM EDT Wed Jun 21 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-212015- 309 AM EDT Wed Jun 21 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Another cool front will sweep the waters late today with possible shower and thunderstorm activity, stalling just S of the waters overnight. Lifting back N as a warm front Thursday into Friday, will see a renewed period of wet weather prior to another cold front sweeping the waters late Saturday into Sunday morning. 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. $$ ANZ250-212015- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS MORNING... .TODAY...SW winds 10 to 15 kt, becoming S 15 to 20 kt this afternoon. Seas 3 to 5 ft. A slight chance of showers and tstms this afternoon. .TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 5 ft. .THU...W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .THU NIGHT...S winds around 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 3 to 5 ft. A chance of showers. .SAT...SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-212015- Massachusetts Bay and Ipswich Bay- 309 AM EDT Wed Jun 21 2017 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon. Seas 2 to 3 ft. A slight chance of showers and tstms this afternoon. .TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers. .SAT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .SUN...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. 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. $$ ANZ231-212015- Cape Cod Bay- 309 AM EDT Wed Jun 21 2017 .TODAY...SW winds 5 to 10 kt, increasing to 15 to 20 kt this afternoon. Seas 2 to 3 ft. A slight chance of showers and tstms this afternoon. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .SUN...SW winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-212015- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 4 to 6 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 NM or less. .THU...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 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. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. .SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW 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. $$ ANZ255-212015- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 4 to 6 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 4 to 6 ft. Patchy fog. A chance of showers and tstms. Vsby 1 NM or less. .THU...W winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...W winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-212015- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 4 to 6 ft. A slight chance of showers and tstms this afternoon. .TONIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers and tstms. Vsby 1 to 3 NM. .THU...SW winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas around 5 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...W winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SW 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. $$ ANZ232-212015- Nantucket Sound- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 2 to 4 ft. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SAT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-212015- Vineyard Sound- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...SW winds around 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 2 to 4 ft. A slight chance of showers and tstms this afternoon. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers and tstms. .THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 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 2 to 4 ft. A chance of showers. .SAT...SW winds around 10 kt. Seas 2 to 4 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN NIGHT...SW 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. $$ ANZ234-212015- Buzzards Bay- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...SW winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 2 to 4 ft. A chance of showers and tstms this afternoon. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms. .THU...SW winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .SUN...W winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-212015- Rhode Island Sound- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 3 to 5 ft. A chance of showers and tstms this afternoon. .TONIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers and tstms. .THU...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. A chance of showers. .SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW 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. $$ ANZ237-212015- Block Island Sound- 309 AM EDT Wed Jun 21 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...SW winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt this afternoon. Seas 3 to 5 ft. A chance of showers and tstms this afternoon. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers and tstms. .THU...SW winds 5 to 10 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .SAT...W winds around 10 kt. Seas 3 to 5 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN...W winds 5 to 10 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-212015- Boston Harbor- 309 AM EDT Wed Jun 21 2017 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas around 2 ft. A slight chance of showers and tstms this afternoon. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 1 foot or less. .THU...W winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds around 5 kt. Seas 1 foot or less. .FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. A chance of showers. .SAT...W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT NIGHT...W winds around 5 kt. Seas 1 foot or less. .SUN...W winds around 5 kt. Seas 1 foot or less. .SUN NIGHT...SW winds around 5 kt. Seas 1 foot or less. 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. $$ ANZ236-212015- Narragansett Bay- 309 AM EDT Wed Jun 21 2017 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 3 ft. A chance of showers and tstms this afternoon. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W around 5 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms. .THU...W winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers. .SAT...W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. .SUN...W winds 5 to 10 kt. Seas 1 foot or less. .SUN NIGHT...SW winds around 5 kt. Seas 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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