FZUS51 KBOX 121804 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 104 PM EST Thu Dec 12 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-130700- 104 PM EST Thu Dec 12 2024 .Synopsis for Massachusetts and Rhode Island coastal waters... Gusty W winds are on tap for today and Friday in the wake of yesterday/s storm. The stronger of the winds will be today...especially across our southern waters where Gale Force Wind gusts continue through the afternoon. Large high pres over the Great Lakes will build eastward Sat and cross the waters Sun. This high pres system will then move east of our waters on Mon. $$ ANZ250-130700- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 104 PM EST Thu Dec 12 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: W 6 ft at 5 seconds and SE 6 ft at 10 seconds. A slight chance of rain. .TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: W 5 ft at 5 seconds and SE 5 ft at 10 seconds. .FRI...W winds 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: W 5 ft at 5 seconds and SE 3 ft at 10 seconds. .FRI NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and SE 2 ft at 9 seconds. .SAT...NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 9 seconds. .SUN AND SUN NIGHT...SE winds 5 to 10 kt, becoming S. Seas 2 to 3 ft. .MON AND MON NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to 4 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-130700- Massachusetts Bay and Ipswich Bay- 104 PM EST Thu Dec 12 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY... .THIS AFTERNOON...W winds around 20 kt with gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 10 seconds. A slight chance of rain. .TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 4 seconds and SE 3 ft at 10 seconds. .FRI...W winds around 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 10 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 9 seconds. .SAT AND SAT NIGHT...N winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 8 seconds. .SUN AND SUN NIGHT...SE winds 5 to 10 kt, becoming S. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and NW 1 foot at 3 seconds. .MON AND MON NIGHT...S winds around 10 kt. Seas 2 to 3 ft. A chance of rain. 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. $$ ANZ231-130700- Cape Cod Bay- 104 PM EST Thu Dec 12 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY... .THIS AFTERNOON...W winds around 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at 10 seconds. .TONIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at 10 seconds. .FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 10 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and SE 1 foot at 9 seconds. .SAT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and E 1 foot at 8 seconds. .SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 1 foot at 4 seconds and NE 1 foot at 8 seconds. .SUN AND SUN NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. .MON AND MON NIGHT...SE winds around 10 kt. Seas around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-130700- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 104 PM EST Thu Dec 12 2024 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft. Wave Detail: S 9 ft at 11 seconds and W 4 ft at 5 seconds. .TONIGHT...W winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave Detail: S 7 ft at 10 seconds and W 4 ft at 5 seconds, becoming S 6 ft at 10 seconds and W 4 ft at 5 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and SE 4 ft at 9 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and SE 3 ft at 8 seconds. .SAT...NW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and NW 2 ft at 4 seconds. .SUN THROUGH MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. .MON NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of rain. 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. $$ ANZ255-130700- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 104 PM EST Thu Dec 12 2024 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds around 25 kt with gusts up to 35 kt. Seas 9 to 13 ft. Wave Detail: SW 11 ft at 11 seconds and W 2 ft at 5 seconds. .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 7 to 10 ft, subsiding to 5 to 8 ft after midnight. Wave Detail: SW 10 ft at 10 seconds and W 2 ft at 6 seconds, becoming SW 8 ft at 9 seconds and W 4 ft at 8 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: S 5 ft at 9 seconds and W 4 ft at 7 seconds, becoming W 3 ft at 7 seconds and SE 3 ft at 8 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds and SE 3 ft at 8 seconds. .SAT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 5 seconds and E 2 ft at 8 seconds. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 9 seconds and NW 1 foot at 3 seconds. .SUN AND SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. .MON AND MON NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-130700- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 104 PM EST Thu Dec 12 2024 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 25 to 30 kt with gusts up to 35 kt. Seas 9 to 12 ft. Wave Detail: SW 12 ft at 11 seconds and W 2 ft at 5 seconds. .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 7 to 10 ft, subsiding to 5 to 8 ft after midnight. Wave Detail: SW 10 ft at 10 seconds and W 3 ft at 5 seconds, becoming SW 7 ft at 9 seconds and W 4 ft at 6 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 9 seconds and W 3 ft at 6 seconds. .FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 5 seconds and SE 3 ft at 8 seconds. .SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 4 seconds and SE 2 ft at 8 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 8 seconds and NW 1 foot at 3 seconds. .SUN AND SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. .MON AND MON NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to 5 ft. A chance of rain. 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. $$ ANZ232-130700- Nantucket Sound- 104 PM EST Thu Dec 12 2024 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: W 4 ft at 4 seconds and S 3 ft at 11 seconds. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: W 4 ft at 4 seconds and S 2 ft at 10 seconds, becoming W 3 ft at 4 seconds and S 2 ft at 10 seconds. .FRI...NW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 9 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 1 foot at 9 seconds. .SAT AND SAT NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 3 seconds and SE 1 foot at 8 seconds. .SUN AND SUN NIGHT...E winds 5 to 10 kt, becoming SE. Seas 1 foot or less, then around 2 ft. Wave Detail: NW 1 foot at 3 seconds and E 1 foot at 8 seconds, becoming SE 1 foot at 2 seconds and E 1 foot at 9 seconds. .MON AND MON NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-130700- Vineyard Sound- 104 PM EST Thu Dec 12 2024 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 11 seconds and W 3 ft at 5 seconds. .TONIGHT...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: SW 6 ft at 10 seconds and W 2 ft at 5 seconds, becoming SW 4 ft at 9 seconds and W 2 ft at 6 seconds. .FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 9 seconds and W 2 ft at 6 seconds. .FRI NIGHT...NW winds around 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 8 seconds, becoming NW 1 foot at 5 seconds and SE 1 foot at 8 seconds. .SAT AND SAT NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 4 seconds and SE 1 foot at 7 seconds. .SUN AND SUN NIGHT...E winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 9 seconds, becoming SE 1 foot at 2 seconds and SE 1 foot at 9 seconds. .MON AND MON NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of rain. 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. $$ ANZ234-130700- Buzzards Bay- 104 PM EST Thu Dec 12 2024 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 10 seconds and W 3 ft at 5 seconds. .TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 10 seconds and W 3 ft at 5 seconds. .FRI...NW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 9 seconds and W 2 ft at 6 seconds. .FRI NIGHT...NW winds around 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: NW 2 ft at 5 seconds and S 1 foot at 8 seconds, becoming NW 1 foot at 4 seconds and SE 1 foot at 8 seconds. .SAT AND SAT NIGHT...N winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NW 1 foot at 4 seconds and SE 1 foot at 7 seconds. .SUN AND SUN NIGHT...E winds 5 to 10 kt, becoming SE. Seas 1 foot or less. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 5 seconds. .MON AND MON NIGHT...SE winds 10 to 15 kt. Seas around 2 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-130700- Rhode Island Sound- 104 PM EST Thu Dec 12 2024 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. Wave Detail: S 9 ft at 11 seconds and W 3 ft at 5 seconds. .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: S 7 ft at 10 seconds and W 3 ft at 5 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 9 seconds and W 2 ft at 5 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 5 seconds and SE 2 ft at 8 seconds. .SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 8 seconds. .SUN AND SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds and SE 2 ft at 4 seconds. .MON AND MON NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain. 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. $$ ANZ237-130700- Block Island Sound- 104 PM EST Thu Dec 12 2024 ...GALE WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... .THIS AFTERNOON...W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 11 seconds and W 4 ft at 5 seconds. .TONIGHT...W winds 20 to 25 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight. Wave Detail: S 6 ft at 10 seconds and W 4 ft at 5 seconds, becoming S 5 ft at 10 seconds and W 2 ft at 4 seconds. .FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 9 seconds and W 2 ft at 4 seconds. .FRI NIGHT...NW winds around 10 kt. Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 8 seconds. .SAT...N winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: SE 2 ft at 8 seconds and NW 1 foot at 3 seconds, becoming W 1 foot at 3 seconds and E 1 foot at 8 seconds. .SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 8 seconds and W 1 foot at 2 seconds. .SUN AND SUN NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. .MON...SE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. Rain likely. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-130700- Boston Harbor- 104 PM EST Thu Dec 12 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... .THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Waves around 2 ft. .FRI...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 1 foot or less. .SAT AND SAT NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .SUN AND SUN NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. .MON AND MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. A chance of rain. 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. $$ ANZ236-130700- Narragansett Bay- 104 PM EST Thu Dec 12 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... .THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to 5 ft. .TONIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves 2 to 3 ft, except 4 to 6 ft at the bay entrance. .FRI...NW winds 5 to 10 kt. Waves 2 to 3 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .SAT AND SAT NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .SUN AND SUN NIGHT...E winds 5 to 10 kt. Waves 2 to 3 ft. .MON AND MON NIGHT...SE winds 5 to 10 kt. Waves 2 to 4 ft. A chance of rain. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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