Coastal Waters Forecast
Issued by NWS Boston, MA

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231 FZUS51 KBOX 180325 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 1025 PM EST Sat Feb 17 2018 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-181615- 1025 PM EST Sat Feb 17 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A fast moving coastal low passes southeast of Nantucket early Sun. High pressure area will build over the waters on Mon. This high will move offshore Tue and be trailed by a warm front that will approach the south coast. 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. $$ ANZ250-181615- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 3 to 5 ft. Snow. Rain. Vsby 1 NM or less. .SUN...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Snow with a chance of rain. Vsby 1 NM or less. .SUN NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt, becoming SW after midnight. Seas 2 to 4 ft. .MON...S winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED...SW winds 15 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-181615- Massachusetts Bay and Ipswich Bay- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. Snow. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Snow. Vsby 1 NM or less. .SUN NIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft. Showers likely. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 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. $$ ANZ231-181615- Cape Cod Bay- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SUNDAY THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Snow. Rain. Vsby 1 NM or less. .SUN...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Snow. Vsby 1 NM or less. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .THU...N winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-181615- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .OVERNIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Rain, snow. Vsby 1 NM or less, increasing to 1 to 3 NM. .SUN...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .MON...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .MON NIGHT...S winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely. .TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. A chance of drizzle. .TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. .WED...SW winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU NIGHT...NE 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. $$ ANZ255-181615- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .OVERNIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Rain, snow. Vsby 1 NM or less, increasing to 1 to 3 NM. .SUN...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 6 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 4 ft. .MON...S winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 4 to 6 ft. A chance of showers. .TUE...SW winds around 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of drizzle. .TUE NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. .WED...SW winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. .THU...N winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU NIGHT...NE winds around 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-181615- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 10 to 15 kt, becoming NE. Gusts up to 20 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .SUN...NW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 5 to 10 kt with gusts up to 20 kt, becoming SE after midnight. Seas 2 to 4 ft. .MON...S winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers likely. .TUE...SW winds around 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of drizzle. .TUE NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. .WED...SW winds 15 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. .THU...N winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU NIGHT...NE winds around 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. $$ ANZ232-181615- Nantucket Sound- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SUNDAY THROUGH SUNDAY AFTERNOON... .OVERNIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow. Rain. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Snow. Vsby 1 to 3 NM. .SUN NIGHT...SW winds around 5 kt. Seas around 2 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of drizzle. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...SW winds 15 to 20 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-181615- Vineyard Sound- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SUNDAY THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Snow, then rain and snow. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Snow. Vsby 1 to 3 NM. .SUN NIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas around 2 ft. .MON...S winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. A chance of showers. .MON NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Showers likely. .TUE...SW winds around 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of drizzle. .TUE NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .THU...N winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .THU NIGHT...NE winds around 10 kt. Seas around 2 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. $$ ANZ234-181615- Buzzards Bay- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SUNDAY THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow. Rain. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Snow. Vsby 1 to 3 NM. .SUN NIGHT...W winds around 5 kt, becoming SW around 5 kt after midnight. Seas 1 foot or less. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Showers likely. .TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of drizzle. .TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers. .THU...N winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-181615- Rhode Island Sound- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SUNDAY THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Snow. Rain. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 4 ft. .MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Seas around 2 ft. A chance of showers. .MON NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt after midnight. Seas 3 to 5 ft. Showers likely. .TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of drizzle. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .WED...SW winds around 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 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. $$ ANZ237-181615- Block Island Sound- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SUNDAY THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Rain and snow. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming SE after midnight. Seas 2 to 4 ft. .MON...S winds 5 to 10 kt with gusts up to 20 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Showers likely. .TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. A chance of drizzle. .TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .THU...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-181615- Boston Harbor- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EST SUNDAY THROUGH SUNDAY AFTERNOON... .OVERNIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Snow. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves around 2 ft. Snow. Vsby 1 NM or less. .SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less. .MON...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Showers likely. .TUE...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. .TUE NIGHT...SW winds around 10 kt. Waves 1 foot or less. .WED...SW winds around 10 kt with gusts up to 20 kt. Waves 1 foot or less. .WED NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .THU...N winds 5 to 10 kt. Waves 1 foot or less. .THU NIGHT...N winds around 5 kt. Waves 1 foot or less. 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. $$ ANZ236-181615- Narragansett Bay- 1025 PM EST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SUNDAY THROUGH SUNDAY MORNING... .OVERNIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming E 5 to 10 kt. Waves 2 to 3 ft. Snow. Rain. Vsby 1 NM or less. .SUN...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .SUN NIGHT...W winds around 5 kt, becoming S around 5 kt after midnight. Waves 2 to 3 ft. .MON...S winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .MON NIGHT...SW winds 10 to 15 kt. Waves 2 to 3 ft. Showers likely. .TUE...SW winds 10 to 15 kt. Waves 2 to 3 ft. .TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves 2 to 3 ft. .WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .WED NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. .THU...N winds around 5 kt. Waves around 2 ft. A chance of showers. .THU NIGHT...NE winds around 5 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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