


Offshore Forecast
Issued by NWS
Issued by NWS
757 FZNT33 KWBC 020829 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 429 AM EDT Tue Sep 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 persist over New England and the waters today. Low pressure will move NE along a stationary front over the outer mid-Atlantic waters, passing S and E of Georges Bank Tue and Tue night. High pressure will then return behind the low and remain in place through Wed night. The high will shift E of the area late Thu into Thu night as a warm front lifts N Fri and Fri night. A cold front will then move E through New England Fri night into early Sat, then across the waters late Sat into Sat night. Gulf of Maine to the Hague Line .TODAY...N to NE winds less than 5 kt, becoming variable. Seas 3 to 4 ft. .TONIGHT...S winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .WED...S winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 5 to 15 kt, becoming SW. Seas 3 to 4 ft. .THU...S winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 15 to 20 kt. Seas 3 to 6 ft. .SAT...S winds 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...S winds 10 to 20 kt, becoming SW. Seas 3 to 6 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TODAY...E to NE winds 5 to 15 kt. Seas 3 to 6 ft. .TONIGHT...E to NE winds 5 to 15 kt, becoming NE. Seas 3 to 5 ft. .WED...NE winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt, becoming S to SE. Seas 3 to 4 ft. .THU NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...S winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 to 20 kt, becoming SW. Seas 3 to 5 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...E winds 10 to 15 kt, becoming NE, then, becoming E. Seas 3 to 6 ft. .TONIGHT...E to NE winds 5 to 15 kt, becoming NE. Seas 3 to 5 ft. .WED...NE winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU...S winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 4 ft. .FRI...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...S to SW winds 10 to 20 kt, becoming N. Seas 3 to 5 ft. .Forecaster Huffman. Ocean Prediction Center.