Offshore Forecast
Issued by NWS
Issued by NWS
302 FZNT34 KWBC 152027 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 327 PM EST Mon Dec 15 2025 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. This product will be discontinued January 6. For more details see: https://www.weather.gov/media/notification/pdf_2025/ scn25-83_Updated_VOBRA_Discontinuation_aaa.pdf .SYNOPSIS FOR MID ATLC WATERS...High pressure will continue building into the waters tonight into Tue, then move E of the area Tue night. A cold front will approach the N and central waters from the W Wed and move over those waters later Wed and Wed night. High pressure will rebuild over the central and N waters later Wed night into Thu, with the overall high moving E of the region Thu night. A strong cold front will near the coast Thu night, then move across the area Fri and Fri night. Yet another high will quickly move across the region Sat with another cold front nearing the coast by Sat night. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W ...GALE FORCE WINDS POSSIBLE FRI... .TONIGHT...W to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...W to SW winds 5 to 15 kt, becoming SW 15 to 25 kt. Seas 3 to 5 ft. .WED...SW winds 20 to 30 kt. Seas 4 to 8 ft. .WED NIGHT...W to NW winds 15 to 25 kt, becoming N to NW 5 to 15 kt. Seas 4 to 8 ft. .THU...SE winds 5 to 15 kt, becoming S 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...S winds 20 to 30 kt. Seas 5 to 9 ft. .FRI...S winds 25 to 35 kt, becoming W. Seas 9 to 15 ft. .FRI NIGHT...W winds 25 to 35 kt, becoming NW 20 to 30 kt. Seas 8 to 14 ft. .SAT...NW winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 5 to 9 ft. .SAT NIGHT...S to SW winds 15 to 20 kt, becoming SW 20 to 30 kt. Seas 3 to 4 ft, building to 5 to 8 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...GALE WARNING... .TONIGHT...NW winds 25 to 35 kt, becoming W to NW 20 to 30 kt. Seas 11 to 18 ft. Chance of rain. .TUE...W to NW winds 15 to 25 kt. Seas 6 to 11 ft. .TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. .WED...SW winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 6 to 11 ft. .WED NIGHT...W to NW winds 20 to 30 kt. Seas 8 to 14 ft. .THU...N to NW winds 10 to 20 kt, becoming SE 5 to 15 kt. Seas 6 to 11 ft. .THU NIGHT...S to SE winds 15 to 25 kt, becoming S 25 to 35 kt. Seas 6 to 11 ft. .FRI...S winds 35 to 45 kt. Seas 11 to 19 ft. .FRI NIGHT...W to NW winds 35 to 45 kt. Seas 10 to 18 ft. .SAT...NW winds 25 to 35 kt, diminishing to 15 to 25 kt. Seas 10 to 18 ft. .SAT NIGHT...SW winds 10 to 20 kt, increasing to 20 to 30 kt. Seas 7 to 12 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W ...GALE FORCE WINDS POSSIBLE THU NIGHT... .TONIGHT...NW winds 20 to 30 kt, becoming W to NW 10 to 20 kt. Seas 10 to 16 ft. .TUE...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 8 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. .WED...W to SW winds 20 to 30 kt. Seas 6 to 10 ft. .WED NIGHT...W winds 20 to 30 kt, becoming NW 15 to 25 kt. Seas 6 to 11 ft. .THU...E winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 3 to 6 ft. .THU NIGHT...S winds 20 to 30 kt, increasing to 30 to 40 kt. Seas 7 to 12 ft. .FRI...S winds 35 to 45 kt, becoming W 25 to 35 kt. Seas 10 to 18 ft. .FRI NIGHT...NW winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 10 to 16 ft. .SAT...N winds 15 to 25 kt, becoming variable less than 10 kt. Seas 8 to 13 ft. .SAT NIGHT...S winds 10 to 20 kt, becoming SW 20 to 30 kt. Seas 4 to 7 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W ...GALE FORCE WINDS POSSIBLE THU NIGHT... .TONIGHT...N winds 10 to 20 kt, becoming N to NW 5 to 15 kt early, then, becoming W to NW. Seas 8 to 14 ft. .TUE...W winds 5 to 15 kt. Seas 4 to 8 ft. .TUE NIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 6 ft. .WED...W to SW winds 20 to 30 kt. Seas 4 to 7 ft. .WED NIGHT...W winds 20 to 30 kt, becoming variable 5 to 15 kt. Seas 4 to 7 ft. .THU...S to SE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...S to SE winds 20 to 30 kt, becoming S 30 to 40 kt. Seas 8 to 13 ft. .FRI...S to SW winds 25 to 35 kt, becoming W to SW 20 to 30 kt. Seas 9 to 15 ft. .FRI NIGHT...NW winds 20 to 30 kt, becoming N 15 to 25 kt. Seas 6 to 11 ft. .SAT...N to NE winds 10 to 15 kt, becoming E to NE. Seas 5 to 9 ft. .SAT NIGHT...S to SE winds 5 to 10 kt, becoming S 10 to 20 kt. Seas 4 to 7 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TONIGHT...N to NE winds 5 to 15 kt, becoming variable. Seas 8 to 13 ft. .TUE...N to NW winds less than 10 kt, becoming variable. Seas 4 to 8 ft. .TUE NIGHT...Variable winds 5 to 15 kt, becoming S to SW. Seas 3 to 6 ft. Scattered showers. .WED...S to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...Variable winds 5 to 15 kt, becoming SE 10 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 15 to 25 kt. Seas 4 to 7 ft. .THU NIGHT...S to SE winds 20 to 30 kt, becoming S to SW. Seas 7 to 12 ft. .FRI...SW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 8 to 14 ft. .FRI NIGHT...NW winds 15 to 25 kt, becoming N. Seas 6 to 10 ft. .SAT...NE winds 10 to 15 kt, becoming E 5 to 10 kt. Seas 4 to 8 ft. .SAT NIGHT...SE winds less than 10 kt, becoming S. Seas 3 to 6 ft. .Forecaster Holley. Ocean Prediction Center.