Offshore Forecast
Issued by NWS
Issued by NWS
905 FZNT33 KWBC 130225 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC ISSUED BY NWS National Hurricane Center Miami FL 925 PM EST Sun Jan 12 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...High pressure will slowly build E over the region tonight, then weaken Mon and Mon night. Weak low pressure will develop along a surface trough in the Gulf of Maine Mon into Mon night, stall later Mon night and Tue while gradually strengthening, and then move E and SE Tue night while pulling a strong cold front over the area. The low will intensify E of the region Wed into Thu while pulling a series of low pressure troughs or cold fronts over the waters. A high pressure ridge will build E to the coast Wed night and Thu, then shift E of the area Thu night into Fri. Another cold front will approach the coast later Fri and Fri night. Gulf of Maine to the Hague Line .TONIGHT...NW winds 5 to 10 kt, becoming W. Seas 3 to 6 ft. .MON...W winds 5 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 5 to 15 kt, increasing to 15 to 25 kt. Seas 3 to 6 ft. Scattered snow showers. .TUE...W to NW winds 15 to 25 kt. Seas 4 to 8 ft. .TUE NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 9 ft. .WED...NW winds 20 to 30 kt. Seas 5 to 9 ft. .WED NIGHT...NW winds 15 to 20 kt, becoming N 10 to 20 kt. Seas 4 to 8 ft. .THU...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 5 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. .FRI...NW winds 10 to 15 kt, becoming W. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 15 kt, becoming SW 15 to 20 kt. Seas 3 to 5 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line ...GALE FORCE WINDS POSSIBLE WED... .TONIGHT...W to NW winds 5 to 15 kt. Seas 5 to 9 ft. .MON...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers. .TUE...W winds 20 to 30 kt. Seas 6 to 10 ft. .TUE NIGHT...W to NW winds 20 to 30 kt. Seas 7 to 12 ft. .WED...NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 7 to 13 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 7 to 12 ft. .THU...NW winds 10 to 15 kt, becoming W. Seas 5 to 8 ft. .THU NIGHT...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 6 ft. .FRI...W winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...W winds 10 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to 6 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 FORCE WINDS POSSIBLE TUE NIGHT... .TONIGHT...W winds 5 to 15 kt. Seas 4 to 7 ft. .MON...W winds 10 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 4 to 8 ft. .TUE...W winds 20 to 30 kt. Seas 6 to 10 ft. .TUE NIGHT...W to NW winds 25 to 35 kt. Seas 7 to 13 ft. .WED...NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 7 to 13 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. .THU...NW winds 10 to 15 kt, becoming W. Seas 4 to 7 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 3 to 6 ft. .FRI...NW winds 10 to 20 kt, becoming W. Seas 4 to 7 ft. .FRI NIGHT...W winds 10 to 15 kt, becoming SW. Seas 3 to 6 ft. .Forecaster Kells. Ocean Prediction Center.