Offshore Forecast
Issued by NWS
Issued by NWS
875 FZNT33 KWBC 310822 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 322 AM EST Fri Jan 31 2025 New England continental shelf and slope waters from 25 nm offshore to the Hague Line, except to 1000 fm south of New England. Conditions given represent the highest within that period. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Locally higher winds and seas can be expected in and near tstms. .SYNOPSIS FOR NEW ENGLAND WATERS...A high pressure ridge just E of the waters will continue moving E today. Developing low pressure will move E across the waters late today and tonight while pulling a strong cold front SE over the area. The low will then pass E of the region Sat. Strong high pressure will build E over waters Sat night into Sun, then pass E of the area Sun night as a warm front lifts N across the region. Another cold front will move SE across the waters Mon, then pass S of the area Mon night. A series of secondary cold fronts will move SE across the waters Tue into Tue night, before another high builds E over the region Tue night. Gulf of Maine to the Hague Line .TODAY...SW winds 15 to 25 kt. Seas 6 to 10 ft. Chance of snow. .TONIGHT...N to NE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 8 ft. Chance of snow and rain with vsby 1 nm or less. .SAT...N winds 15 to 25 kt. Seas 8 to 13 ft. Light freezing spray and scattered snow showers. .SAT NIGHT...N winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas 8 to 13 ft. Light freezing spray. .SUN...N winds 5 to 10 kt, becoming variable 5 to 15 kt. Seas 5 to 8 ft. .SUN NIGHT...S winds 15 to 25 kt. Seas 4 to 7 ft. .MON...S winds 15 to 25 kt, becoming SW 20 to 25 kt. Seas 5 to 9 ft. .MON NIGHT...SW winds 20 to 25 kt, becoming W. Seas 5 to 9 ft. .TUE...W winds 20 to 25 kt, becoming NW 15 to 25 kt. Seas 4 to 8 ft. .TUE NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line ...GALE WARNING... .TODAY...S to SW winds 20 to 30 kt. Seas 6 to 10 ft. .TONIGHT...SW winds 30 to 40 kt. Seas 9 to 16 ft. Chance of rain with vsby 1 nm or less. .SAT...N to NW winds 15 to 25 kt. Seas 9 to 15 ft. Chance of rain. .SAT NIGHT...N winds 15 to 25 kt. Seas 8 to 14 ft. Light freezing spray. .SUN...N to NE winds 5 to 10 kt, becoming E to SE. Seas 6 to 10 ft. .SUN NIGHT...S to SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 4 to 5 ft. .MON...S winds 10 to 20 kt, becoming SW 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt. Seas 5 to 8 ft. .TUE...W winds 15 to 25 kt, becoming NW. Seas 4 to 8 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. South of New England...from the Great South Channel to Hudson Canyon including the waters south of Marthas Vineyard and Nantucket Island...out to 1000 fm ...GALE WARNING... .TODAY...S to SW winds 20 to 30 kt. Seas 6 to 10 ft. Chance of rain with vsby 1 nm or less. .TONIGHT...SW winds 25 to 35 kt, becoming W 15 to 25 kt. Seas 9 to 15 ft. Chance of rain with vsby 1 nm or less. .SAT...NW winds 20 to 30 kt, becoming N. Seas 8 to 14 ft. Chance of rain. .SAT NIGHT...N winds 15 to 25 kt, becoming N to NE 10 to 15 kt. Seas 7 to 13 ft. Light freezing spray. .SUN...E winds 5 to 10 kt, becoming SE 5 to 15 kt. Seas 4 to 8 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .MON...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 10 to 20 kt, becoming W 15 to 20 kt. Seas 4 to 8 ft. .TUE...NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...W to NW winds 5 to 15 kt, becoming N to NW. Seas 3 to 5 ft. .Forecaster Clark. Ocean Prediction Center.