Coastal Waters Forecast
Issued by NWS Boston, MA

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206 FZUS51 KBOX 232316 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 716 PM EDT Sun Jul 23 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-241200- 716 PM EDT Sun Jul 23 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... A series of low pressure areas will track along a frontal boundary that will remain south of the waters through Tuesday. High pressure follows for Wednesday. An approaching cold front will bring showers to the waters on Friday. 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. $$ ANZ250-241200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT... .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain after midnight. .MON...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. Rain. Vsby 1 NM or less. .MON NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft. A chance of showers. Vsby 1 to 3 NM. .TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. A chance of showers. .TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. .WED...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-241200- Massachusetts Bay and Ipswich Bay- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT... .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of rain after midnight. .MON...E winds 10 to 15 kt, becoming NE 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .MON NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. .WED...NE winds 5 to 10 kt, becoming E in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...E winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. 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. $$ ANZ231-241200- Cape Cod Bay- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. A slight chance of rain after midnight. .MON...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON NIGHT...NE winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt after midnight. Seas 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .TUE...NE winds around 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .WED...E winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. .THU NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-241200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT... .TONIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. A slight chance of rain after midnight. .MON...E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. Rain likely. Vsby 1 NM or less. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. Vsby 1 NM or less. .TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 6 ft. .TUE NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 6 ft. .WED...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. .WED NIGHT...SE winds around 5 kt. Seas 2 to 4 ft. .THU...S winds 5 to 10 kt with gusts up to 20 kt. Seas around 3 ft. .THU NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. 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. $$ ANZ255-241200- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .TONIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 3 to 5 ft. A chance of rain after midnight. .MON...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 NM or less. .TUE...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. Vsby 1 to 3 NM. .WED...NE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. .THU...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-241200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .TONIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain after midnight. .MON...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. Vsby 1 to 3 NM. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. .THU...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU NIGHT...SW winds around 10 kt. Seas around 2 ft. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. 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. $$ ANZ232-241200- Nantucket Sound- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... .TONIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of rain after midnight. .MON...E winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 NM or less. .TUE...NE winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. .WED...E winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. .THU...S winds 5 to 10 kt. Seas 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-241200- Vineyard Sound- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of rain after midnight. .MON...E winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE...NE winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. .WED...E winds around 10 kt. Seas around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .THU...S winds 5 to 10 kt. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. 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. $$ ANZ234-241200- Buzzards Bay- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... .TONIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. A chance of rain after midnight. .MON...NE winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .TUE...NE winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. .WED...E winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. .THU...S winds 5 to 10 kt. Seas 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-241200- Rhode Island Sound- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT MONDAY THROUGH MONDAY EVENING... .TONIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain after midnight. .MON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Rain. Vsby 1 NM or less. .MON NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. Vsby 1 to 3 NM. .TUE...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 5 to 10 kt. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...S winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. 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. $$ ANZ237-241200- Block Island Sound- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Rain after midnight. .MON...NE winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .TUE...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .WED...E winds 5 to 10 kt. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. .THU...S winds 5 to 10 kt. Seas around 2 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .FRI...SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-241200- Boston Harbor- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE MONDAY NIGHT... .TONIGHT...E winds 5 to 10 kt. Waves around 2 ft. A chance of rain after midnight. .MON...E winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to 4 ft. Rain. Vsby 1 to 3 NM. .MON NIGHT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 25 kt. Waves 2 to 4 ft. A chance of showers. .TUE...NE winds 5 to 10 kt. Waves 2 to 4 ft. A chance of showers. .TUE NIGHT...NE winds around 5 kt. Waves 1 foot or less. .WED...NE winds around 5 kt, becoming E in the afternoon. Waves 1 foot or less. .WED NIGHT...S winds around 5 kt. Waves 1 foot or less. .THU...SW winds 5 to 10 kt. Waves 1 foot or less. .THU NIGHT...SW winds around 5 kt. Waves 1 foot or less. A chance of showers. .FRI...S winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...E winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. 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. $$ ANZ236-241200- Narragansett Bay- 716 PM EDT Sun Jul 23 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... .TONIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. A chance of rain after midnight. .MON...NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .MON NIGHT...NE winds 5 to 10 kt. Gusts up to 25 kt in the evening. Waves around 2 ft. A chance of showers. .TUE...NE winds 5 to 10 kt. Waves around 2 ft. .TUE NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. .WED...NE winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .WED NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Waves 1 foot or less. .THU...S winds 5 to 10 kt. Waves 1 foot or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .FRI...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...E winds around 5 kt. Waves 1 foot or less. A chance of showers. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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