Offshore Forecast
Issued by NWS
Issued by NWS
267 FZNT34 KWBC 250902 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 502 AM EDT Wed Sep 25 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 well E of northern portions will continue moving E while weakening today. A high pressure ridge will build S over the region today, then slowly shift E of the area tonight through Thu night. Low pressure will develop N of the waters Thu night, then track slowly E while strengthening to the N and then NE of the area Fri through Sat night. The low will then move well E of the region Sun and Sun night as another ridge builds S over the N waters. Winds and seas will increase over the S portion Thu through early Fri ahead of Tropical Storm Helene 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 .TODAY...E winds 10 to 15 kt. Seas 5 to 8 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. Chance of rain. .THU...S to SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...S winds 10 to 15 kt, becoming SW. Seas 4 to 7 ft. Scattered showers and tstms. .FRI...Variable winds less than 10 kt, becoming E. Seas 3 to 6 ft. .FRI NIGHT...E to SE winds 5 to 15 kt. Seas 4 to 7 ft. .SAT...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft. Baltimore Canyon to the Hague Line south of 1000 fm .TODAY...E to NE winds 10 to 20 kt. Seas 7 to 11 ft. .TONIGHT...E to NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 7 to 11 ft. .THU...E to SE winds 5 to 15 kt, becoming S to SE. Seas 7 to 10 ft. .THU NIGHT...S to SW winds 5 to 15 kt. Seas 6 to 8 ft. .FRI...SW winds 5 to 15 kt, becoming W to SW 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 4 to 7 ft. .SAT...E to NE winds 10 to 20 kt. Seas 4 to 8 ft. .SAT NIGHT...N to NE winds 10 to 20 kt. Seas 5 to 8 ft. .SUN...N to NE winds 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...N to NE winds 5 to 15 kt. Seas 5 to 9 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TODAY...E to NE winds 5 to 15 kt. Seas 5 to 9 ft. .TONIGHT...E to SE winds 5 to 15 kt. Seas 5 to 9 ft. .THU...SE winds 5 to 15 kt. Seas 5 to 9 ft. .THU NIGHT...S to SE winds 10 to 15 kt, becoming S 10 to 20 kt. Seas 5 to 8 ft. .FRI...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 8 ft. .FRI NIGHT...S winds 15 to 25 kt, becoming SW 10 to 20 kt. Seas 6 to 10 ft. .SAT...W winds 5 to 15 kt. Seas 5 to 9 ft. .SAT NIGHT...Variable winds 5 to 15 kt, becoming N to NE. Seas 4 to 7 ft. .SUN...E to NE winds 5 to 15 kt. Seas 4 to 7 ft. .SUN NIGHT...E winds 5 to 15 kt. Seas 4 to 6 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TODAY...N to NE winds 5 to 15 kt, becoming E to NE 5 to 10 kt. Seas 5 to 8 ft. .TONIGHT...E winds 10 to 15 kt, becoming SE 5 to 15 kt. Seas 4 to 8 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 8 ft. .THU NIGHT...S to SE winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...S winds 20 to 30 kt. Seas 7 to 12 ft. .FRI NIGHT...S winds 15 to 25 kt, becoming SW 10 to 20 kt. Seas 7 to 12 ft. .SAT...W winds 5 to 15 kt. Seas 5 to 9 ft. .SAT NIGHT...W to SW winds 5 to 15 kt, becoming NW. Seas 3 to 6 ft. .SUN...N to NE winds less than 10 kt, becoming E to SE. Seas 3 to 5 ft. .SUN NIGHT...S to SE winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. Cape Fear to 31N out to 32N 73W to 31N 74W ...TROPICAL STORM WARNING... .TODAY...E to SE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 7 ft. .TONIGHT...E to SE winds 10 to 20 kt. Seas 4 to 7 ft. .THU...SE winds 20 to 30 kt. Seas 6 to 10 ft. .THU NIGHT...S to SE winds 25 to 35 kt. Seas 10 to 17 ft. Scattered showers and tstms. .FRI...S winds 20 to 30 kt. Seas 9 to 15 ft. .FRI NIGHT...S winds 15 to 25 kt, becoming SW 10 to 20 kt. Seas 7 to 12 ft. .SAT...W to SW winds 5 to 15 kt. Seas 4 to 8 ft. .SAT NIGHT...S winds less than 10 kt, becoming W to SW. Seas 3 to 6 ft. .SUN...Variable winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 5 to 15 kt, becoming SW. Seas 3 to 5 ft. .Forecaster Huffman. Ocean Prediction Center.