


Offshore Forecast
Issued by NWS
Issued by NWS
592 FZNT33 KWBC 260223 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1023 PM EDT Fri Jul 25 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 cold front will move SE through the waters tonight, then pass S of the area Sat through Sun night. High pressure will build SE across the region Sat, then shift E of the area Sat night and Sun. Weak low pressure will move across the waters Sun night and Mon while pulling a cold front across the area. Weak high pressure will build over the region Mon night, then shift E of the area Tue. Another cold front will approach the coast from the NW Tue night, then move slowly SE across the waters Wed and Wed night. Gulf of Maine to the Hague Line .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Isolated showers and tstms. .SAT...N winds 5 to 15 kt, becoming variable. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Slight chance of showers with 5 nm vsby. .SUN NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 4 ft. .MON...S to SW winds less than 10 kt. Seas 2 to 4 ft. .MON NIGHT...S to SW winds 5 to 10 kt. Seas 2 to 4 ft. .TUE...S winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .WED...N to NE winds less than 10 kt. Seas 2 to 4 ft. .WED NIGHT...W winds 5 to 10 kt, becoming NW. Seas 2 to 4 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TONIGHT...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. Isolated showers and tstms with vsby 1 nm or less. .SAT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...Variable winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 4 ft. .SUN...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .SUN NIGHT...S to SE winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 4 ft. .MON...S to SE winds less than 10 kt, becoming E to NE. Seas 2 to 4 ft. .MON NIGHT...E to NE winds 5 to 10 kt, becoming variable. Seas 2 to 4 ft. .TUE...Variable winds less than 10 kt, becoming S. Seas 2 to 4 ft. .TUE NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 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 .TONIGHT...W to SW winds 10 to 20 kt, becoming W to NW. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .SAT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 5 to 15 kt, becoming SE 5 to 10 kt. Seas 3 to 4 ft. .SUN...S to SE winds 5 to 10 kt, becoming S 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and tstms. .SUN NIGHT...S to SW winds 5 to 15 kt, becoming W to NW. Seas 3 to 4 ft. .MON...N to NE winds less than 10 kt. Seas 2 to 4 ft. .MON NIGHT...E to NE winds 5 to 10 kt, becoming SW. Seas 2 to 4 ft. .TUE...S to SW winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .WED...W to SW winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...W to SW winds 5 to 10 kt, becoming W to NW. Seas 3 to 4 ft. .Forecaster Mills. Ocean Prediction Center.