Offshore Forecast
Issued by NWS
Issued by NWS
079 FZNT34 KWBC 030242 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 942 PM EST Tue Dec 2 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. .SYNOPSIS FOR MID ATLC WATERS...Low pressure will rapidly intensify while lifting NE across Georges Bank tonight. A cold front extending S from the low will move quickly E and SE across the waters tonight. High pressure will build over the waters Wed, persist Wed night, and then weaken early Thu. Yet another cold front will move SE over the N and central portions late Thu before stalling across the far S waters Thu night. High pressure will build E over the N waters Fri into Fri night. The front and developing low pressure will begin to move back to the N over the S and central waters late Fri into Fri night, then continue moving NE into the N waters Sat and then E of the area Sat night. Another low will develop over the S waters Sun and Sun night. Mariners should monitor the latest forecasts for the intensifying low pressure system set to impact the region tonight into Wed, and vessels planning to be in the area should execute avoidance plans. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TONIGHT...NW winds 20 to 30 kt. Seas 7 to 12 ft. .WED...N winds 15 to 25 kt, becoming NW 5 to 15 kt. Seas 6 to 10 ft. .WED NIGHT...W winds 5 to 10 kt, increasing to 10 to 20 kt. Seas 3 to 6 ft. .THU...W to NW winds 15 to 25 kt. Seas 4 to 7 ft. .THU NIGHT...N to NW winds 20 to 30 kt, becoming N 10 to 20 kt. Seas 6 to 10 ft. .FRI...E to NE winds 5 to 15 kt, becoming S to SE 5 to 10 kt. Seas 4 to 7 ft. .FRI NIGHT...E to SE winds 5 to 15 kt, becoming NE 5 to 10 kt. Seas 3 to 5 ft. .SAT...N winds 5 to 10 kt, becoming NW 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NW winds 15 to 20 kt, becoming N. Seas 3 to 5 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...STORM WARNING... .TONIGHT...S to SW winds 40 to 50 kt. Seas 10 to 18 ft. Rain. .WED...W to NW winds 25 to 35 kt, becoming NW 15 to 25 kt. Seas 10 to 17 ft. .WED NIGHT...W to NW winds 5 to 15 kt, becoming W 10 to 20 kt. Seas 7 to 12 ft. .THU...W winds 10 to 20 kt, increasing to 20 to 30 kt. Seas 5 to 9 ft. .THU NIGHT...N to NW winds 25 to 35 kt. Seas 10 to 17 ft. .FRI...N to NW winds 20 to 30 kt, becoming variable 5 to 15 kt. Seas 9 to 15 ft. .FRI NIGHT...SE winds 5 to 15 kt, becoming E to SE 10 to 20 kt. Seas 5 to 9 ft. .SAT...E to SE winds 10 to 20 kt, becoming W to NW. Seas 5 to 9 ft. .SAT NIGHT...NW winds 15 to 20 kt. Seas 6 to 10 ft. .SUN...NW winds 15 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...NW winds 15 to 20 kt. Seas 4 to 8 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W ...GALE WARNING... .TONIGHT...NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 9 to 15 ft. Chance of rain. .WED...NW winds 15 to 25 kt, diminishing to 5 to 15 kt. Seas 8 to 14 ft. .WED NIGHT...W to NW winds 5 to 10 kt, becoming W 5 to 15 kt. Seas 5 to 9 ft. .THU...W winds 10 to 15 kt, becoming W to NW 15 to 25 kt. Seas 4 to 8 ft. .THU NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .FRI...E to NE winds 5 to 15 kt, becoming S to SE. Seas 5 to 9 ft. .FRI NIGHT...S winds 10 to 20 kt, becoming SW 20 to 30 kt. Seas 5 to 9 ft. .SAT...W to SW winds 15 to 25 kt, becoming W to NW. Seas 6 to 10 ft. .SAT NIGHT...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. .SUN...NW winds 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TONIGHT...W to SW winds 20 to 30 kt, becoming NW. Seas 8 to 13 ft. Scattered showers and tstms. .WED...N to NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 7 to 12 ft. .WED NIGHT...NW winds 5 to 10 kt, becoming W 5 to 15 kt. Seas 5 to 9 ft. .THU...W winds 5 to 15 kt, becoming W to NW 10 to 20 kt. Seas 3 to 6 ft. .THU NIGHT...N to NW winds 10 to 20 kt, becoming N to NE. Seas 4 to 8 ft. .FRI...E to NE winds 5 to 15 kt, becoming S. Seas 4 to 7 ft. .FRI NIGHT...S winds 10 to 20 kt, becoming SW 15 to 25 kt. Seas 5 to 9 ft. .SAT...W to SW winds 15 to 25 kt. Seas 5 to 9 ft. .SAT NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 8 ft. .SUN...NW winds 15 to 20 kt. Seas 4 to 7 ft. .SUN NIGHT...N to NW winds 15 to 20 kt. Seas 4 to 7 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TONIGHT...N to NW winds 15 to 25 kt. Seas 6 to 11 ft. Chance of rain. .WED...N winds 5 to 15 kt, diminishing to less than 10 kt. Seas 5 to 9 ft. .WED NIGHT...N to NW winds 5 to 15 kt, diminishing to less than 10 kt. Seas 4 to 7 ft. .THU...N to NW winds less than 10 kt. Seas 3 to 6 ft. .THU NIGHT...N to NW winds 5 to 15 kt, becoming NE. Seas 3 to 6 ft. .FRI...S to SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 3 to 6 ft. .FRI NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 8 ft. .SAT...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. .SAT NIGHT...N to NW winds 5 to 15 kt, becoming W to NW 10 to 20 kt. Seas 4 to 7 ft. .SUN...N to NW winds 10 to 15 kt. Seas 4 to 7 ft. .SUN NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. .Forecaster Bancroft. Ocean Prediction Center.