


Offshore Forecast
Issued by NWS
Issued by NWS
777 FZNT33 KWBC 041502 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1102 AM EDT Mon Aug 4 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 will persist over the area today into tonight while slowly weakening. A weak cold front will approach from the N late today into tonight, then dissipate over the waters Tue. High pressure will build S over the area Tue night through Wed night, then persist over the region Thu through Fri night. Tropical Storm Dexter will pass SE of the waters today into Tue, then move E of the area Tue night through Thu night. See the latest advisory from the National Hurricane Center. Gulf of Maine to the Hague Line .TODAY...SW winds 5 to 10 kt. Seas 3 to 4 ft. .TONIGHT...S to SW winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .TUE...NE winds 5 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 5 to 10 kt, becoming NE 5 to 15 kt. Seas 3 to 4 ft. .WED...NE winds 5 to 15 kt, becoming E to NE 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt, becoming N. Seas 3 to 4 ft. .THU...NE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt, becoming SW. Seas 3 to 4 ft. .FRI...SW winds 5 to 10 kt, becoming S to SW 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...S winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas 3 to 4 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TODAY...NE winds 5 to 15 kt. Seas 3 to 6 ft. .TONIGHT...NE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 7 ft. .THU...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 7 ft. .THU NIGHT...E to NE winds 5 to 15 kt. Seas 4 to 7 ft. .FRI...E winds 5 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 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 .TODAY...N winds 5 to 15 kt, becoming NE 10 to 20 kt. Seas 3 to 6 ft. .TONIGHT...Variable winds 5 to 15 kt. Seas 3 to 6 ft. .TUE...E to NE winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...E to NE winds 10 to 20 kt. Seas 3 to 6 ft. .WED...NE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 7 ft. .THU...E winds 10 to 20 kt. Seas 4 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E to SE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 4 to 6 ft. .Forecaster Collins. Ocean Prediction Center.