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Offshore Forecast
Issued by NWS
Issued by NWS
813 FZNT33 KWBC 151506 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1106 AM EDT Thu Aug 15 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...High pressure will build E towards the area today, move offshore tonight into Fri, then shift E of the region Fri night through Sat night while maintaining a ridge across the waters. The ridge will drift N of the region Sun and Sun night as Hurricane Ernesto passes SE of the waters. Long period S to SE swell from Ernesto will move into the area Fri, and continue into Mon night. See the latest advisory from the National Hurricane Center on Hurricane Ernesto. A weak cold front will approach Mon, then move offshore Mon night. Gulf of Maine to the Hague Line .TODAY...Variable winds less than 5 kt, becoming SE. Seas 3 to 4 ft. Scattered showers and tstms. .TONIGHT...S to SE winds less than 10 kt. Seas 3 to 4 ft. Tstms and scattered showers. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...S to SE winds 5 to 10 kt. Seas 3 to 5 ft. .SAT...S to SE winds 5 to 15 kt, becoming S 5 to 10 kt. Seas 6 to 10 ft. .SAT NIGHT...S winds 10 to 15 kt, becoming S to SE 5 to 10 kt. Seas 6 to 10 ft. .SUN...E to SE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas 7 to 12 ft. .SUN NIGHT...E winds 10 to 15 kt, becoming NE 5 to 10 kt. Seas 6 to 11 ft. .MON...E to SE winds less than 10 kt, becoming S. Seas 7 to 12 ft. .MON NIGHT...S to SW winds 5 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 .TODAY...Variable winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. Tstms and scattered showers with vsby 1 nm or less. .FRI...Variable winds less than 10 kt, becoming SE. Seas 3 to 4 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming SE. Seas 3 to 6 ft, building to 6 to 10 ft. .SAT...E to SE winds 5 to 10 kt. Seas 8 to 14 ft. .SAT NIGHT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 10 to 16 ft. .SUN...E to NE winds 10 to 20 kt. Seas 10 to 16 ft. .SUN NIGHT...NE winds 10 to 20 kt, becoming N 5 to 15 kt. Seas 9 to 15 ft. .MON...W to SW winds less than 10 kt, becoming S to SW 10 to 20 kt. Seas 8 to 14 ft. .MON NIGHT...S to SW winds 10 to 20 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 .TODAY...Variable winds less than 5 kt, becoming SW. Seas 3 to 4 ft. .TONIGHT...SW winds less than 10 kt, becoming W. Seas 3 to 4 ft. Scattered showers and tstms. .FRI...W to SW winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...S to SW winds less than 10 kt. Seas 6 to 10 ft. .SAT...S winds 5 to 10 kt, becoming S to SE 5 to 15 kt. Seas 7 to 13 ft. .SAT NIGHT...E to SE winds 5 to 15 kt. Seas 9 to 15 ft. .SUN...E to NE winds 5 to 15 kt. Seas 9 to 15 ft. .SUN NIGHT...E to NE winds 5 to 10 kt, becoming SE. Seas 7 to 13 ft. .MON...S winds 5 to 15 kt, becoming SW 10 to 15 kt. Seas 6 to 10 ft. .MON NIGHT...SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 5 to 9 ft. .Forecaster Bancroft. Ocean Prediction Center.