Coastal Waters Forecast
Issued by NWS Boston, MA

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000 FZUS51 KBOX 160259 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 959 PM EST Fri Feb 15 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-161515- 959 PM EST Fri Feb 15 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front sweeps across the waters by Saturday morning. A wave of low pressure may track near the southern waters late Sunday or early Monday. Another low may approach the waters late Wed or early Thursday. 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. $$ ANZ250-161515- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 959 PM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT UNTIL 10 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .OVERNIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt. Gusts up to 30 kt. Seas around 9 ft, subsiding to 7 ft. Patchy fog late this evening. A chance of showers late this evening. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. .SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas around 5 ft. .SUN...N winds 5 to 10 kt. Seas around 4 ft, subsiding to 2 ft in the afternoon. .SUN NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .TUE...NW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 4 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .WED...N winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-161515- Massachusetts Bay and Ipswich Bay- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST SATURDAY... .OVERNIGHT...SW winds 10 to 15 kt, becoming W. Gusts up to 25 kt. Seas around 7 ft, subsiding to 5 ft. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas around 3 ft in the morning, then 1 foot or less. .SUN NIGHT...S winds 5 to 10 kt, becoming NE after midnight. Seas 1 foot or less, then around 2 ft after midnight. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...NW winds 10 to 15 kt. Seas around 3 ft. .TUE...NW winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 foot or less. .WED...N winds 5 to 10 kt. Seas 1 foot or less. .WED NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. A chance of snow. 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. $$ ANZ231-161515- Cape Cod Bay- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY... .OVERNIGHT...SW winds 10 to 15 kt, becoming W. Gusts up to 25 kt. Seas around 5 ft, subsiding to 2 ft. Patchy fog late this evening. A chance of showers late this evening with vsby 1 to 3 NM. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SUN...N winds 5 to 10 kt. Seas around 3 ft in the morning, then 1 foot or less. .SUN NIGHT...SE winds around 5 kt. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 5 to 10 kt, becoming NW 10 to 15 kt after midnight. Seas around 3 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .WED...N winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. A chance of snow in the afternoon. .WED NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-161515- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 959 PM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... .OVERNIGHT...S winds 20 to 25 kt, becoming W 15 to 20 kt. Gusts up to 30 kt. Seas around 10 ft, subsiding to 8 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less. .SAT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. .SAT NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Seas around 5 ft. .SUN...N winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt. Seas around 3 ft. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 4 to 5 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 5 ft. .TUE...NW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 4 to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. .WED...N winds 5 to 10 kt. Seas around 3 ft. .WED NIGHT...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 5 ft. A chance of snow. A chance of sleet after midnight. 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. $$ ANZ255-161515- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 959 PM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... .OVERNIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt. Gusts up to 30 kt. Seas 8 to 9 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 5 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SUN...NE winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 5 to 10 kt. Seas around 3 ft. A chance of snow in the evening, then snow likely after midnight. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas 4 to 5 ft. Snow likely, mainly in the morning. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 5 ft. .TUE...NW winds around 10 kt. Seas around 4 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 3 ft. .WED...NE winds 5 to 10 kt. Seas around 2 ft. A chance of snow in the afternoon. .WED NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas around 3 ft, building to 5 ft after midnight. A chance of snow. A chance of sleet and freezing rain after midnight. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-161515- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 959 PM EST Fri Feb 15 2019 ...GALE WARNING IN EFFECT UNTIL 10 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING... .OVERNIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt. Gusts up to 30 kt. Seas 8 to 9 ft. A chance of showers late this evening. A slight chance of showers. Patchy fog late this evening. Vsby 1 to 3 NM. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 5 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming E 10 to 15 kt after midnight. Seas around 3 ft. A chance of snow in the evening, then snow likely after midnight. Vsby 1 to 3 NM. .MON...NE winds around 10 kt. Seas 4 to 5 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .TUE...NW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .WED...NE winds around 10 kt. Seas 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft, building to 6 ft after midnight. A chance of snow and sleet. A chance of rain and freezing rain after midnight. 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. $$ ANZ232-161515- Nantucket Sound- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY... .OVERNIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt. Gusts up to 30 kt. Seas 3 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less. .SAT...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .SAT NIGHT...NW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. .SUN...NE winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. .SUN NIGHT...SE winds around 5 kt, becoming E after midnight. Seas 1 foot or less. A chance of snow in the evening, then snow likely after midnight. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 3 ft. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. .WED...N winds 5 to 10 kt. Seas 1 foot or less. A chance of snow in the afternoon. .WED NIGHT...E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of snow. A chance of sleet after midnight. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-161515- Vineyard Sound- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, becoming NW 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. A slight chance of showers late this evening. A chance of showers. Patchy fog late this evening. .SAT...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .SUN NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas around 2 ft. A chance of snow in the evening, then snow likely after midnight. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 3 ft. .TUE...NW winds 5 to 10 kt. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. .WED...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of snow in the afternoon. .WED NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. A chance of snow. A chance of sleet after midnight. 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. $$ ANZ234-161515- Buzzards Bay- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY... .OVERNIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, becoming NW 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of showers late this evening. .SAT...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. .SUN...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. .SUN NIGHT...SE winds around 5 kt, becoming NE after midnight. Seas 1 foot or less. A chance of snow in the evening, then snow likely after midnight. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .TUE...NW winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. .TUE NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. .WED...NE winds 5 to 10 kt. Seas 1 foot or less. A chance of snow in the afternoon. .WED NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. A chance of snow. A chance of sleet after midnight. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-161515- Rhode Island Sound- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .OVERNIGHT...SW winds 15 to 20 kt, becoming NW 10 to 15 kt. Gusts up to 25 kt. Seas 7 to 8 ft. A chance of showers late this evening. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 5 to 6 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. A chance of snow in the evening, then snow likely after midnight. Vsby 1 to 3 NM. .MON...NE winds around 10 kt. Seas around 3 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .TUE...NW winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. .WED...NE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of snow. A chance of sleet and freezing rain after midnight. 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. $$ ANZ237-161515- Block Island Sound- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON... .OVERNIGHT...SW winds 10 to 15 kt, becoming NW. Gusts up to 25 kt. Seas 6 to 7 ft. A chance of showers late this evening. .SAT...NW winds around 10 kt. Gusts up to 20 kt in the morning. Seas around 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas around 4 ft. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Seas 2 to 3 ft. .SUN NIGHT...SE winds around 5 kt, becoming E after midnight. Seas around 2 ft. A chance of snow in the evening, then snow likely after midnight. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Seas around 3 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 10 to 15 kt. Seas around 4 ft. .TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. .WED...NE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...E winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. A chance of snow and sleet. A chance of freezing rain after midnight. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-161515- Boston Harbor- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... .OVERNIGHT...SW winds 10 to 15 kt, becoming W. Gusts up to 25 kt. Waves around 2 ft. .SAT...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves around 2 ft. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. .SUN...NW winds 5 to 10 kt, becoming NE in the afternoon. Waves 1 foot or less. .SUN NIGHT...S winds around 5 kt, becoming NE after midnight. Waves 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft in the afternoon. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .TUE...NW winds 5 to 10 kt. Waves around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .WED...N winds around 5 kt. Waves 1 foot or less. A chance of snow in the afternoon. .WED NIGHT...E winds 5 to 10 kt. Waves around 2 ft. A chance of snow. 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. $$ ANZ236-161515- Narragansett Bay- 959 PM EST Fri Feb 15 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY... .OVERNIGHT...SW winds around 10 kt, becoming NW. Gusts up to 20 kt. Waves around 3 ft, except 6 to 7 ft at the bay entrance. A chance of showers late this evening. .SAT...NW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves around 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves around 3 ft. .SUN...N winds 5 to 10 kt, becoming SE in the afternoon. Waves around 2 ft. .SUN NIGHT...SE winds around 5 kt, becoming NE after midnight. Waves around 2 ft. A chance of snow in the evening, then snow likely after midnight. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Waves around 2 ft. A chance of snow. Vsby 1 to 3 NM. .MON NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .TUE...NW winds 5 to 10 kt. Waves around 2 ft in the morning, then 1 foot or less. .TUE NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .WED...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of snow in the afternoon. .WED NIGHT...E winds 5 to 10 kt. Waves around 2 ft. A chance of snow. A chance of sleet after midnight. Vsby 1 to 3 NM. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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