


Offshore Forecast
Issued by NWS
Issued by NWS
419 FZNT33 KWBC 020851 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 451 AM EDT Sat Aug 2 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 build E into the region today as low pressure E of the waters moves E and NE away from the area. The high will persist over the waters tonight into Mon while slowly weakening. A weak cold front will approach from the N by Mon night, then dissipate over the northern waters Tue as a stronger high builds SE over northern New England. The high will then dominate most of the area Tue night through Wed night. Low pressure areas developing along a stalled front S of the waters will drift NE toward the far SE portion of the area Tue into Wed night. Gulf of Maine to the Hague Line .TODAY...N winds 5 to 15 kt, becoming variable. Seas 2 to 4 ft. .TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .MON...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 5 to 15 kt, becoming variable 5 to 10 kt. Seas 3 to 4 ft. .TUE...NE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E to NE winds 5 to 10 kt, becoming NE 5 to 15 kt. Seas 3 to 4 ft. .WED...E winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt, becoming NE. 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...N to NE winds 15 to 25 kt. Seas 3 to 8 ft. Chance of showers and slight chance of tstms. .TONIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .SUN...NE winds 10 to 20 kt, becoming E 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft. .MON...E winds 5 to 15 kt, becoming E to NE 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 3 to 6 ft. .TUE...NE winds 15 to 25 kt. Seas 4 to 7 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. 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 to NE winds 15 to 25 kt. Seas 4 to 8 ft. Chance of showers. .TONIGHT...NE winds 10 to 20 kt, becoming E to NE 5 to 15 kt. Seas 3 to 6 ft. .SUN...NE winds 10 to 20 kt, becoming E. Seas 3 to 6 ft. .SUN NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft. .MON...E to NE winds 5 to 15 kt, becoming NE 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 6 ft. .TUE...NE winds 15 to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 3 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 3 to 6 ft. .WED NIGHT...E to NE winds 10 to 20 kt. Seas 4 to 7 ft. .Forecaster Mills. Ocean Prediction Center.