Offshore Forecast
Issued by NWS
Issued by NWS
085 FZNT34 KWBC 230217 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1017 PM EDT Sun Sep 22 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...Low pressure centered about 300 nm SE of Nantucket will slowly drift S across the outer mid- Atlantic waters tonight through Mon night, then turn E and move away from the waters Tue into Wed. A high pressure ridge will gradually build S along the mid-Atlantic coast tonight, then continue building S along the coast Mon into Tue night. The ridge will move offshore Wed, then shift NE and weaken Wed night and Thu. Low pressure will develop offshore of the northern waters Thu night, then track E while remaining N of the area Fri and Fri night. Across the southern portions, winds and seas may increase later Thu into Fri ahead of a possible tropical cyclone moving from the eastern Gulf of Mexico inland into the Southeast U.S. All marine interests should closely monitor the latest forecasts from the National Hurricane Center. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 12 ft. .MON...NE winds 15 to 20 kt. Seas 7 to 12 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 11 ft. .TUE...E to NE winds 10 to 20 kt. Seas 6 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt, becoming 10 to 15 kt. Seas 7 to 10 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt. Seas 5 to 8 ft. .THU...SE winds 5 to 10 kt, becoming S. Seas 5 to 7 ft. .THU NIGHT...SW winds 5 to 10 kt, becoming W. Seas 5 to 7 ft. .FRI...N to NW winds 5 to 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 4 to 6 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...GALE WARNING... .TONIGHT...N to NE winds 30 to 40 kt. Seas 10 to 18 ft. Scattered showers and slight chance of tstms. .MON...N to NE winds 25 to 35 kt. Seas 10 to 17 ft. Scattered showers and slight chance of tstms. .MON NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 ft. Scattered showers and slight chance of tstms. .TUE...NE winds 20 to 30 kt. Seas 8 to 14 ft. Scattered showers and slight chance of tstms. .TUE NIGHT...NE winds 15 to 25 kt. Seas 9 to 13 ft. .WED...E to NE winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...E to NE winds 10 to 20 kt, becoming E 5 to 10 kt. Seas 7 to 10 ft. .THU...E winds 5 to 10 kt, becoming variable. Seas 7 to 9 ft. .THU NIGHT...S to SW winds less than 10 kt, becoming W to SW. Seas 6 to 8 ft. .FRI...W to NW winds 5 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...N to NW winds 5 to 15 kt. Seas 6 to 8 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TONIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft. Scattered showers and slight chance of tstms. .MON...N winds 20 to 30 kt. Seas 8 to 14 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 8 to 14 ft. .TUE...N to NE winds 10 to 20 kt. Seas 7 to 12 ft. .TUE NIGHT...NE winds 10 to 20 kt, becoming E to NE 5 to 15 kt. Seas 6 to 11 ft. .WED...E to NE winds 5 to 15 kt. Seas 5 to 9 ft. .WED NIGHT...E winds 5 to 15 kt, becoming 5 to 10 kt. Seas 5 to 8 ft. .THU...E to SE winds less than 10 kt. Seas 5 to 8 ft. .THU NIGHT...S to SE winds less than 10 kt. Seas 5 to 7 ft. .FRI...Variable winds less than 10 kt. Seas 4 to 7 ft. .FRI NIGHT...Variable winds 5 to 15 kt, becoming N to NE. Seas 4 to 7 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TONIGHT...N winds 10 to 20 kt. Seas 6 to 10 ft. .MON...N winds 10 to 20 kt. Seas 7 to 11 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 7 to 11 ft. .TUE...N winds 10 to 20 kt. Seas 6 to 11 ft. .TUE NIGHT...N to NE winds 5 to 15 kt. Seas 5 to 9 ft. .WED...N to NE winds 5 to 15 kt, becoming E to NE. Seas 5 to 8 ft. .WED NIGHT...E to NE winds 5 to 10 kt. Seas 4 to 8 ft. .THU...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 4 to 7 ft. .THU NIGHT...SE winds 5 to 15 kt. Seas 5 to 8 ft. .FRI...S to SE winds 5 to 15 kt. Seas 5 to 8 ft. .FRI NIGHT...S to SE winds 5 to 15 kt, becoming variable. Seas 5 to 8 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TONIGHT...Variable winds 5 to 15 kt. Seas 4 to 8 ft. Slight chance of showers and tstms. .MON...N to NE winds 5 to 15 kt. Seas 5 to 9 ft. .MON NIGHT...N to NE winds 5 to 15 kt, becoming variable. Seas 6 to 9 ft. .TUE...Variable winds 5 to 15 kt, becoming N to NE. Seas 6 to 9 ft. .TUE NIGHT...N to NE winds 5 to 15 kt, becoming S to SE. Seas 5 to 8 ft. .WED...E to NE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas 4 to 7 ft. .WED NIGHT...E to SE winds 10 to 20 kt. Seas 4 to 7 ft. .THU...E to SE winds 15 to 25 kt. Seas 5 to 9 ft. .THU NIGHT...SE winds 20 to 30 kt. Seas 6 to 11 ft. .FRI...S to SE winds 15 to 25 kt. Seas 6 to 11 ft. .FRI NIGHT...S winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 5 to 9 ft. .Forecaster Connelly. Ocean Prediction Center.