Coastal Waters Forecast
Issued by NWS Boston, MA

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684 FZUS51 KBOX 180616 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 116 AM EST Mon Feb 18 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-181900- 116 AM EST Mon Feb 18 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... A low pressure system will pass SE of Nantucket Mon. High pres builds in from the W on Tue and Wed. Low pres approaches the waters from the SW Wed night, then passes just S of the waters on Thu. 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. $$ ANZ250-181900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Snow. Vsby 1 NM or less. .MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Snow. Vsby 1 NM or less. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Snow. Vsby 1 to 3 NM. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. A chance of light freezing spray. .WED...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Snow, sleet and freezing rain likely. Vsby 1 to 3 NM. .THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Rain and freezing rain likely. Vsby 1 to 3 NM. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-181900- Massachusetts Bay and Ipswich Bay- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... .REST OF TONIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Snow. Vsby 1 NM or less. .MON...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. Snow. Vsby 1 NM or less. .MON NIGHT...N winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .WED...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Snow with sleet and freezing rain likely. Vsby 1 to 3 NM. .THU...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain, freezing rain and sleet likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .FRI NIGHT...W winds 5 to 10 kt with gusts up to 20 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. $$ ANZ231-181900- Cape Cod Bay- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... .REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Snow. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt. Seas 1 to 2 ft. Snow and rain. Vsby 1 NM or less. .MON NIGHT...N winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Snow. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Snow with rain, sleet and freezing rain likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-181900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Snow, rain and sleet. Vsby 1 NM or less. .MON...E winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. Rain and snow. Vsby 1 NM or less. .MON NIGHT...N winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of light freezing spray. .WED...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW around 5 kt in the afternoon. Seas 2 to 4 ft. .WED NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Snow, rain, sleet likely with freezing rain. Vsby 1 to 3 NM. .THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 5 to 10 kt with gusts up to 20 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. $$ ANZ255-181900- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Snow, rain and sleet. Vsby 1 NM or less. .MON...E winds around 10 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. Rain with snow likely. Vsby 1 NM or less. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .WED...N winds 5 to 10 kt with gusts up to 20 kt, becoming NE in the afternoon. Seas 2 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Snow and rain with sleet likely. Vsby 1 to 3 NM. .THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-181900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST THIS MORNING THROUGH LATE TONIGHT... .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Rain, sleet and snow. Vsby 1 NM or less. .MON...E winds 10 to 15 kt, becoming NW in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Rain with snow likely. Vsby 1 NM or less. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain with snow and sleet likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NW 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. $$ ANZ232-181900- Nantucket Sound- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT LATE TONIGHT... .REST OF TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Snow, sleet and rain. Vsby 1 NM or less. .MON...E winds 5 to 10 kt with gusts up to 20 kt, becoming N in the afternoon. Seas 2 to 3 ft. Patchy fog. Rain, snow and freezing rain. Vsby 1 NM or less. .MON NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .WED NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Snow and sleet with rain likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-181900- Vineyard Sound- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT LATE TONIGHT... .REST OF TONIGHT...E winds 5 to 10 kt. Seas around 2 ft. Snow, sleet and rain. Vsby 1 NM or less. .MON...E winds 5 to 10 kt, becoming N with gusts up to 20 kt in the afternoon. Seas around 2 ft. Snow and rain. Vsby 1 NM or less. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Snow, rain and sleet. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft. .FRI NIGHT...NW 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. $$ ANZ234-181900- Buzzards Bay- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT LATE TONIGHT... .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Snow and sleet. Vsby 1 NM or less. .MON...E winds 5 to 10 kt, becoming N in the afternoon. Seas 2 to 3 ft. Snow, rain and sleet. Vsby 1 NM or less. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft. A chance of snow. .TUE...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. .WED NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Snow, rain and sleet. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. .FRI...NW winds 5 to 10 kt. Seas around 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-181900- Rhode Island Sound- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Snow, sleet and rain. Vsby 1 NM or less. .MON...NE winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Rain with snow likely. Vsby 1 NM or less. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Snow, rain and sleet. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...NW winds 5 to 10 kt with gusts up to 20 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. $$ ANZ237-181900- Block Island Sound- 116 AM EST Mon Feb 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... .REST OF TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Rain, snow and sleet. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt, becoming NW in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Rain with snow likely. Vsby 1 NM or less. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of snow. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Rain and sleet with snow likely. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Rain likely. .THU NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. .FRI NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-181900- Boston Harbor- 116 AM EST Mon Feb 18 2019 .REST OF TONIGHT...SE winds around 5 kt. Waves around 2 ft. Snow. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt. Waves around 2 ft. Snow. Vsby 1 NM or less. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of snow. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .TUE NIGHT...NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. .WED...W winds 5 to 10 kt. Waves 1 foot or less. .WED NIGHT...SE winds 5 to 10 kt. Waves 1 foot or less. Snow and sleet with freezing rain likely. Vsby 1 to 3 NM. .THU...W winds 5 to 10 kt. Waves 1 foot or less. A chance of rain, freezing rain and sleet likely. .THU NIGHT...NW winds around 10 kt. Waves around 2 ft. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 1 foot or less. .FRI NIGHT...W winds 5 to 10 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. $$ ANZ236-181900- Narragansett Bay- 116 AM EST Mon Feb 18 2019 .REST OF TONIGHT...E winds around 5 kt. Waves around 2 ft. Snow, sleet and rain. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt, becoming N with gusts up to 20 kt in the afternoon. Waves around 2 ft. Snow and rain. Vsby 1 NM or less. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. A chance of snow. .TUE...NW winds around 10 kt. Gusts up to 20 kt in the morning. Waves around 2 ft. .TUE NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 foot or less. .WED...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. A chance of snow. Vsby 1 to 3 NM. .WED NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. Snow, rain, sleet and freezing rain. Vsby 1 to 3 NM. .THU...SW winds around 10 kt. Waves 2 to 3 ft. Rain likely. .THU NIGHT...NW winds around 10 kt. Waves 2 to 3 ft. .FRI...NW winds 5 to 10 kt. Waves around 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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