Offshore Forecast
Issued by NWS
Issued by NWS
973 FZNT34 KWBC 152116 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 516 PM EDT Thu Aug 15 2024 West central North Atlantic continental shelf and slope waters beyond 20 nm to 250 nm offshore, including south of Georges Bank from 1000 fm to 250 nm offshore. 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 MID ATLC WATERS...High pressure will build E over the N portion tonight into Fri, then shift E of the region Fri night into Sat night while maintaining a ridge across the waters. The ridge will then drift E across the region Sun into Mon night. Hurricane Ernesto will track N to NE to the SE of the area tonight into Fri, then move N to NE Fri night into Sun night while passing E of the waters before accelerating off to the NE Sun night and Mon. Long period S to SE swell from Ernesto will move N and NW into the waters through Fri, and then continue Fri night into Mon night. See the latest advisory from the National Hurricane Center on Hurricane Ernesto. A weak cold front will approach from the NW Mon, then move offshore Mon night into Tue night. The NAVTEX station in Chesapeake has been reported to be inoperable. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TONIGHT...S to SW winds 5 to 15 kt, becoming W to SW. Seas 3 to 4 ft. .FRI...W winds less than 10 kt, becoming S to SW. Seas 3 to 6 ft. .FRI NIGHT...S to SW winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas 6 to 10 ft. .SAT...S winds 5 to 15 kt. Seas 6 to 11 ft. .SAT NIGHT...S winds 5 to 15 kt. Seas 6 to 11 ft. .SUN...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 8 to 13 ft. .SUN NIGHT...S to SW winds 10 to 20 kt. Seas 8 to 13 ft. .MON...SW winds 10 to 20 kt. Seas 6 to 10 ft. .MON NIGHT...W to SW winds 10 to 15 kt, becoming W to NW 5 to 15 kt. Seas 4 to 8 ft. .TUE...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...N winds 5 to 15 kt. Seas 3 to 5 ft. Baltimore Canyon to the Hague Line south of 1000 fm .TONIGHT...N winds less than 10 kt, becoming variable, then, becoming W to NW. Seas 3 to 5 ft. .FRI...Variable winds less than 10 kt. Seas 5 to 9 ft. .FRI NIGHT...Variable winds 5 to 15 kt. Seas 7 to 13 ft. .SAT...E to NE winds 10 to 20 kt. Seas 11 to 18 ft. .SAT NIGHT...E to NE winds 15 to 25 kt. Seas 10 to 18 ft. .SUN...E to NE winds 15 to 25 kt, becoming N to NE. Seas 12 to 21 ft. .SUN NIGHT...N to NE winds 15 to 25 kt, becoming S to SW. Seas 11 to 19 ft. .MON...SW winds 20 to 30 kt. Seas 9 to 16 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 6 to 11 ft. .TUE...W to SW winds 20 to 30 kt. Seas 6 to 11 ft. .TUE NIGHT...W to SW winds 10 to 20 kt, becoming N. Seas 6 to 10 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TONIGHT...NE winds 5 to 15 kt. Seas 5 to 9 ft. Scattered showers. .FRI...NE winds 10 to 20 kt. Seas 9 to 15 ft. Scattered showers and slight chance of tstms. .FRI NIGHT...NE winds 10 to 20 kt. Seas 9 to 15 ft. .SAT...NE winds 10 to 20 kt. Seas 9 to 15 ft. .SAT NIGHT...NE winds 10 to 20 kt, becoming N. Seas 9 to 15 ft. .SUN...S to SW winds 10 to 20 kt. Seas 9 to 15 ft. .SUN NIGHT...SW winds 20 to 30 kt. Seas 7 to 12 ft. .MON...SW winds 20 to 30 kt. Seas 6 to 11 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 6 to 10 ft. .TUE...W to SW winds 15 to 25 kt. Seas 5 to 9 ft. .TUE NIGHT...N to NW winds 5 to 15 kt. Seas 4 to 7 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 11 ft. Scattered tstms. .FRI...NE winds 10 to 20 kt. Seas 9 to 15 ft. Slight chance of tstms. .FRI NIGHT...NE winds 10 to 20 kt. Seas 9 to 15 ft. Slight chance of showers and tstms. .SAT...N to NE winds 10 to 20 kt. Seas 8 to 14 ft. .SAT NIGHT...N to NE winds 5 to 15 kt, becoming N to NW. Seas 8 to 14 ft. .SUN...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 8 to 14 ft. .SUN NIGHT...SW winds 20 to 30 kt. Seas 7 to 12 ft. .MON...SW winds 15 to 25 kt. Seas 6 to 10 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...W to SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 8 ft. .TUE NIGHT...W to SW winds 5 to 15 kt, becoming N to NE. Seas 3 to 6 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 12 ft. .FRI...NE winds 10 to 20 kt. Seas 9 to 14 ft. Scattered showers and slight chance of tstms. .FRI NIGHT...NE winds 10 to 20 kt. Seas 8 to 14 ft. .SAT...N to NE winds 10 to 20 kt, becoming NE 5 to 15 kt. Seas 7 to 12 ft. .SAT NIGHT...Variable winds 5 to 15 kt, becoming SW. Seas 6 to 11 ft. .SUN...SW winds 5 to 15 kt, increasing to 15 to 25 kt. Seas 6 to 11 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 7 to 12 ft. .MON...SW winds 15 to 25 kt. Seas 6 to 10 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 5 to 8 ft. .TUE...W to SW winds 10 to 20 kt, becoming S to SW 5 to 15 kt. Seas 4 to 7 ft. .TUE NIGHT...Variable winds 5 to 15 kt, becoming NE. Seas 3 to 5 ft. .Forecaster Bancroft. Ocean Prediction Center.