Offshore Forecast
Issued by NWS
Issued by NWS
517 FZNT33 KWBC 202035 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 435 PM EDT Fri Sep 20 2024 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...Low pressure centered about 180 nm SE of Nantucket will remain nearly stationary tonight, slowly drift E across the outer mid-Atlantic waters Sat through Sun night, then drift more S and SE away from the region Mon through Tue night. A high pressure ridge will build S toward the area tonight, then continue slowly spreading S and SE over the waters Sat through Wed night. Gulf of Maine to the Hague Line ...GALE WARNING... .TONIGHT...NE winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 8 to 13 ft. Scattered showers. .SAT...NE winds 20 to 30 kt. Seas 7 to 13 ft. Scattered showers. .SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 11 ft. Scattered showers. .SUN...NE winds 20 to 30 kt. Seas 7 to 12 ft. .SUN NIGHT...E to NE winds 15 to 25 kt. Seas 7 to 12 ft. .MON...NE winds 15 to 25 kt. Seas 6 to 11 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 9 ft. .TUE NIGHT...E winds 5 to 15 kt. Seas 5 to 8 ft. .WED...E winds 5 to 15 kt. Seas 5 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 8 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line ...GALE WARNING... .TONIGHT...E to NE winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 8 to 14 ft. Scattered showers. Slight chance of tstms. .SAT...NE winds 20 to 30 kt. Seas 9 to 14 ft. Scattered showers and slight chance of tstms. .SAT NIGHT...NE winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 8 to 13 ft. Scattered showers. .SUN...NE winds 30 to 40 kt. Seas 9 to 16 ft. Scattered showers. .SUN NIGHT...NE winds 25 to 35 kt. Seas 9 to 16 ft. .MON...NE winds 20 to 30 kt. Seas 9 to 15 ft. .MON NIGHT...NE winds 20 to 30 kt. Seas 7 to 13 ft. .TUE...E to NE winds 15 to 25 kt. Seas 7 to 12 ft. .TUE NIGHT...E to NE winds 10 to 20 kt, becoming E 10 to 15 kt. Seas 6 to 10 ft. .WED...E winds 10 to 20 kt, becoming 10 to 15 kt. Seas 6 to 10 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 9 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 WARNING... .TONIGHT...N winds 30 to 40 kt. Seas 8 to 14 ft. Scattered showers. .SAT...N to NE winds 30 to 40 kt. Seas 8 to 14 ft. Scattered showers. .SAT NIGHT...NE winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 7 to 13 ft. Scattered showers. .SUN...NE winds 25 to 35 kt. Seas 8 to 14 ft. Scattered showers. .SUN NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 ft. .MON...NE winds 20 to 30 kt. Seas 8 to 14 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 7 to 12 ft. .TUE...NE winds 15 to 25 kt. Seas 7 to 12 ft. .TUE NIGHT...E to NE winds 15 to 20 kt, becoming E 10 to 15 kt. Seas 6 to 10 ft. .WED...E winds 10 to 15 kt. Seas 5 to 9 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 8 ft. .Forecaster Collins. Ocean Prediction Center.