Offshore Forecast
Issued by NWS
Issued by NWS
954 FZNT34 KWBC 230900 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 500 AM EDT Mon Sep 23 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 330 nm SE of Nantucket will slowly drift S across the outer mid- Atlantic waters today and tonight, then turn E and move away from the waters Tue into Wed. A high pressure ridge will continue building S along the coast today 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 waters, winds and seas will likely increase Thu ahead of a possible tropical cyclone moving from the central 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 .TODAY...NE winds 10 to 20 kt. Seas 6 to 11 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 11 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt, becoming 10 to 15 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E to SE winds 5 to 15 kt, becoming SE 5 to 10 kt. Seas 5 to 7 ft. .THU...S winds 5 to 10 kt, becoming SW. Seas 5 to 7 ft. .THU NIGHT...W to SW winds 5 to 10 kt, becoming N to NW. Seas 4 to 7 ft. .FRI...N to NE winds 5 to 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E to NE winds 5 to 10 kt. Seas 3 to 6 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...GALE WARNING... .TODAY...N to NE winds 25 to 35 kt, becoming NE 20 to 30 kt. Seas 10 to 17 ft. Scattered showers and slight chance of tstms. .TONIGHT...NE winds 20 to 30 kt. Seas 9 to 13 ft. Scattered showers and slight chance of tstms. .TUE...NE winds 20 to 30 kt. Seas 8 to 13 ft. Scattered showers and slight chance of tstms. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .WED...E to NE winds 10 to 20 kt. Seas 7 to 11 ft. .WED NIGHT...E to NE winds 5 to 15 kt, becoming E. Seas 7 to 10 ft. .THU...Variable winds less than 10 kt, becoming S to SW. Seas 7 to 9 ft. .THU NIGHT...W to SW winds less than 10 kt, increasing to 5 to 15 kt. Seas 6 to 8 ft. .FRI...NW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 5 to 8 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TODAY...N winds 20 to 30 kt. Seas 8 to 13 ft. .TONIGHT...N winds 15 to 25 kt. Seas 7 to 13 ft. .TUE...N to NE winds 10 to 20 kt. Seas 6 to 11 ft. .TUE NIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 10 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 winds less than 10 kt, becoming variable. Seas 5 to 8 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 4 to 7 ft. .FRI...Variable winds less than 10 kt. Seas 4 to 7 ft. .FRI NIGHT...E to NE winds less than 10 kt, increasing to 5 to 15 kt. Seas 5 to 7 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TODAY...N winds 15 to 25 kt. Seas 6 to 11 ft. Slight chance of showers and tstms. .TONIGHT...N winds 15 to 25 kt. Seas 7 to 11 ft. .TUE...N winds 10 to 20 kt. Seas 6 to 10 ft. .TUE NIGHT...N to NE winds 5 to 15 kt. Seas 5 to 8 ft. .WED...NE winds 5 to 15 kt. Seas 5 to 8 ft. .WED NIGHT...E winds 5 to 15 kt, becoming 5 to 10 kt. Seas 4 to 8 ft. .THU...E winds 5 to 15 kt. Seas 4 to 7 ft. .THU NIGHT...SE winds 5 to 15 kt. Seas 5 to 8 ft. .FRI...SE winds 10 to 20 kt, becoming S. Seas 5 to 9 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 5 to 9 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TODAY...N winds 5 to 15 kt, becoming N to NE 10 to 20 kt. Seas 4 to 8 ft. Slight chance of showers and tstms. .TONIGHT...N to NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 9 ft. .TUE...N to NE winds 5 to 15 kt. Seas 5 to 9 ft. .TUE NIGHT...E to SE winds 5 to 15 kt. Seas 4 to 8 ft. .WED...E to SE winds 5 to 15 kt, becoming E 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...E to SE winds 10 to 20 kt. Seas 4 to 8 ft. .THU...E to SE winds 20 to 30 kt. Seas 6 to 11 ft. .THU NIGHT...SE winds 20 to 30 kt. Seas 7 to 12 ft. .FRI...S winds 15 to 25 kt. Seas 7 to 12 ft. .FRI NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 9 ft. .Forecaster Connelly. Ocean Prediction Center.