FZUS51 KBOX 220016 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 PM EST Thu Feb 21 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-221300- 716 PM EST Thu Feb 21 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres moves east of the waters this afternoon. High pres follows for Fri and Sat. A warm front will approach the waters on Sun, bringing widespread rain and strong S-SE winds across the waters. 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. $$ ANZ250-221300- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to 5 ft. .FRI...NW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain and snow likely. .SUN...SE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. Rain and snow. Vsby 1 NM or less. .SUN NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 6 to 9 ft. .MON...W winds 25 to 35 kt with gusts up to 50 kt. Seas 7 to 10 ft. .MON NIGHT...NW winds 30 to 40 kt with gusts up to 50 kt. Seas 7 to 10 ft. .TUE...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-221300- Massachusetts Bay and Ipswich Bay- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .TONIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SAT...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Rain and snow likely. .SUN...SE winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 NM or less. .SUN NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. .MON...W winds 25 to 30 kt with gusts up to 45 kt. Seas 3 to 5 ft. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 3 to 5 ft. .TUE...NW winds 20 to 25 kt with gusts up to 30 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. 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. $$ ANZ231-221300- Cape Cod Bay- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .TONIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .SAT...N winds around 5 kt, becoming SW in the afternoon. Seas 1 foot or less. .SAT NIGHT...S winds around 5 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Rain and snow likely. .SUN...S winds 5 to 10 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 25 kt, increasing to 20 to 25 kt with gusts up to 35 kt after midnight. Seas 3 to 5 ft. .MON...W winds 25 to 30 kt with gusts up to 45 kt. Seas 4 to 7 ft. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 4 to 7 ft. .TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-221300- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 6 ft. .FRI...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. .FRI NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .SAT...N winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...S winds around 5 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain likely with a chance of snow. .SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. Rain and freezing rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 20 to 25 kt. Gusts up to 30 kt, increasing to 40 kt after midnight. Seas 6 to 9 ft, except 8 to 13 ft S and E of Nantucket. .MON...W winds 25 to 35 kt with gusts up to 50 kt. Seas 9 to 12 ft, except 11 to 16 ft S and E of Nantucket. .MON NIGHT...NW winds 25 to 35 kt with gusts up to 50 kt. Seas 9 to 12 ft. .TUE...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. .TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 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. $$ ANZ255-221300- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TONIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to 7 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...NE winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft. .SAT NIGHT...SE winds 5 to 10 kt. Gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain. .SUN...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt after midnight. Seas 8 to 11 ft. .MON...W winds 25 to 35 kt with gusts up to 50 kt. Seas 10 to 15 ft. .MON NIGHT...NW winds 25 to 35 kt with gusts up to 50 kt. Seas 9 to 12 ft. .TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-221300- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON... .TONIGHT...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...N winds 5 to 10 kt. Seas 2 to 3 ft. .SAT...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. .SAT NIGHT...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain. .SUN...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt after midnight. Seas 8 to 11 ft. .MON...W winds 25 to 35 kt with gusts up to 50 kt. Seas 9 to 14 ft. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 8 to 11 ft. .TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 25 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. $$ ANZ232-221300- Nantucket Sound- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST FRIDAY... .TONIGHT...W winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT...NE winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .SAT NIGHT...SE winds around 5 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Rain with a chance of snow. .SUN...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 4 to 6 ft. .MON...W winds 25 to 30 kt with gusts up to 45 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 4 to 6 ft. .TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-221300- Vineyard Sound- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST FRIDAY... .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT...NE winds 5 to 10 kt, becoming S in the afternoon. Seas 1 foot or less. .SAT NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 2 ft. Rain with a chance of snow. .SUN...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 4 to 7 ft. .MON...W winds 25 to 30 kt with gusts up to 45 kt. Seas 5 to 8 ft. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 4 to 7 ft. .TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE NIGHT...NW winds 10 to 15 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. $$ ANZ234-221300- Buzzards Bay- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST FRIDAY... .TONIGHT...W winds around 10 kt with gusts up to 25 kt. Seas 2 to 3 ft. .FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. .SAT...N winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. .SAT NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Rain with a chance of snow. .SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .MON...W winds 25 to 30 kt with gusts up to 45 kt. Seas 4 to 7 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 40 kt. Seas 3 to 5 ft. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-221300- Rhode Island Sound- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST FRIDAY... .TONIGHT...W 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 3 to 5 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .SAT...NE winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft. .SAT NIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain. .SUN...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 7 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 10 ft. .MON...W winds 25 to 35 kt with gusts up to 45 kt. Seas 7 to 10 ft. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 5 to 8 ft. .TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...NW 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. $$ ANZ237-221300- Block Island Sound- 716 PM EST Thu Feb 21 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST FRIDAY... .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .FRI NIGHT...N winds 5 to 10 kt. Seas around 2 ft. .SAT...NE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft. .SAT NIGHT...SE winds 5 to 10 kt. Gusts up to 25 kt after midnight. Seas 2 to 4 ft. Rain. .SUN...S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. .MON...W winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to 9 ft. .MON NIGHT...NW winds 25 to 30 kt with gusts up to 45 kt. Seas 4 to 7 ft. .TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-221300- Boston Harbor- 716 PM EST Thu Feb 21 2019 .TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .FRI...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 1 foot or less. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .SAT...NW winds around 5 kt, becoming SW around 5 kt in the afternoon. Waves 1 foot or less. .SAT NIGHT...S winds around 5 kt. Waves 1 foot or less. Rain and snow. .SUN...SE winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to 3 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt, increasing to 30 kt after midnight. Waves around 2 ft. .MON...W winds 20 to 25 kt with gusts up to 40 kt. Waves around 2 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 40 kt. Waves around 2 ft. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .TUE NIGHT...NW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ236-221300- Narragansett Bay- 716 PM EST Thu Feb 21 2019 .TONIGHT...W winds 5 to 10 kt with gusts up to 25 kt. Waves 2 to 3 ft. .FRI...NW winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .FRI NIGHT...N winds around 5 kt. Waves 1 foot or less. .SAT...NE winds around 5 kt, becoming S around 5 kt in the afternoon. Waves 1 foot or less. .SAT NIGHT...SE winds around 5 kt. Gusts up to 20 kt after midnight. Waves 2 to 3 ft. Rain with a chance of snow. .SUN...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 4 ft. Rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Waves 3 to 5 ft. .MON...W winds 25 to 30 kt with gusts up to 40 kt. Waves 4 to 6 ft. .MON NIGHT...NW winds 20 to 25 kt with gusts up to 40 kt. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .TUE NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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