Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 201406 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 1006 AM EDT Tue Jun 20 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-210315- 1006 AM EDT Tue Jun 20 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... A weak cold front will stall across the waters today into Wed followed by weak high pres Thu. Another cold front will approach the waters from the west Fri night or 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. $$ ANZ250-210315- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 3 to 5 ft. Areas of fog. A slight chance of showers. Vsby 1 to 3 NM. .TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .THU...W winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .FRI...S winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .FRI NIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-210315- Massachusetts Bay and Ipswich Bay- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of showers. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms. .SAT NIGHT...W 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. $$ ANZ231-210315- Cape Cod Bay- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. A slight chance of showers. Vsby 1 to 3 NM. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 1 foot or less. .THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...SW winds 15 to 20 kt. Seas around 2 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms. .SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-210315- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 4 to 7 ft. Areas of fog. A chance of showers. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 6 ft. Patchy fog. Vsby 1 NM or less. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...S winds 15 to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt. 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 and tstms. .SAT NIGHT...W winds 15 to 20 kt. Seas 2 to 4 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. $$ ANZ255-210315- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt. Seas 5 to 8 ft. Areas of fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 7 ft. Patchy fog. Vsby 1 NM or less. .WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .THU...W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers. .SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-210315- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt. Seas 6 to 7 ft. Areas of fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 7 ft. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...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 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 15 to 20 kt. Seas around 4 ft. A chance of showers. .SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers and tstms. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms. 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. $$ ANZ232-210315- Nantucket Sound- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .THU...W winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers. .SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-210315- Vineyard Sound- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. Vsby 1 to 3 NM. .WED 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. .THU...W winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...SW 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 3 ft. A chance of showers. .SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. 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. $$ ANZ234-210315- Buzzards Bay- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .THU...W winds around 5 kt, becoming SW in the afternoon. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-210315- Rhode Island Sound- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Gusts up to 25 kt. Seas 4 to 7 ft. Areas of fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 7 ft. .WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...SW winds 15 to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .THU...W winds around 5 kt, becoming SW in the afternoon. 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 with gusts up to 20 kt. Seas 2 to 4 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...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT NIGHT...W winds 10 to 15 kt. Seas 2 to 4 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. $$ ANZ237-210315- Block Island Sound- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Gusts up to 25 kt. Seas 4 to 6 ft. Areas of fog. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .THU...W winds around 5 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers and tstms. .SAT NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-210315- Boston Harbor- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. A slight chance of showers. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. .WED NIGHT...W winds 5 to 10 kt. 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 5 to 10 kt. Seas 1 foot or less. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less. A chance of showers and tstms. .FRI NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less. A chance of showers and tstms. .SAT...SW winds around 5 kt. Seas 1 foot or less. A chance of showers and tstms. .SAT NIGHT...W 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. $$ ANZ236-210315- Narragansett Bay- 1006 AM EDT Tue Jun 20 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Areas of fog. A slight chance of showers. Vsby 1 NM or less. .TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. .WED NIGHT...W winds 10 to 15 kt, diminishing to around 5 kt after midnight. Seas around 2 ft. .THU...NW winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. .FRI...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .FRI NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms. .SAT NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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