


Offshore Forecast
Issued by NWS
Issued by NWS
772 FZNT34 KWBC 160837 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 437 AM EDT Thu Oct 16 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...Early today the waters will remain between high pressure over the eastern U.S. and broad low pressure well out over the N Atlantic centered near 36N, while a cold front moves through the far S waters. Another low S of Nova Scotia today will deepen and broaden this afternoon and tonight as it moves slightly W, before shifting S Fri. The strong low, centered near 40N65W early Fri, will slowly move farther E into the N Atlantic Fri night through Sat night as high pressure gradually moves E over the area. Mariners should consider avoidance plans depending on their vessel type and cargo. High pressure will be over the waters Sun, moving E late Sun and Sun night as a cold front moves into the W waters Sun night. The cold front pushes E across the waters Mon and early Mon night. Low pressure and a surface trough will linger over the N waters behind the front overnight Mon as another high builds over the S waters. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TODAY...N winds 20 to 30 kt. Seas 5 to 9 ft. .TONIGHT...N winds 20 to 30 kt. Seas 6 to 11 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 11 ft. .FRI NIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 10 ft. .SAT...N winds 5 to 15 kt, becoming variable. Seas 5 to 9 ft. .SAT NIGHT...S winds less than 10 kt, increasing to 5 to 15 kt. Seas 4 to 7 ft. .SUN...S winds 15 to 25 kt. Seas 3 to 6 ft. .SUN NIGHT...S winds 20 to 30 kt, becoming W to SW. Seas 7 to 12 ft. .MON...W winds 15 to 25 kt. Seas 6 to 10 ft. .MON NIGHT...W winds 10 to 20 kt. Seas 4 to 8 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...STORM WARNING... .TODAY...N winds 20 to 30 kt. Seas 7 to 12 ft. Scattered showers and chance of tstms. .TONIGHT...N winds 30 to 40 kt. Seas 11 to 18 ft. Scattered showers and tstms. Showers more numerous far E portion. .FRI...N winds 40 to 55 kt. Seas 16 to 27 ft. Scattered showers and tstms. Showers more numerous far E portion. .FRI NIGHT...N winds 35 to 45 kt. Seas 14 to 26 ft. .SAT...N winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 11 to 19 ft. .SAT NIGHT...N winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas 9 to 15 ft. .SUN...N winds 10 to 20 kt, becoming S. Seas 6 to 10 ft. .SUN NIGHT...S to SW winds 20 to 30 kt. Seas 7 to 12 ft. .MON...S to SW winds 20 to 30 kt, becoming W to SW. Seas 7 to 12 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 6 to 11 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W ...GALE WARNING... .TODAY...N winds 20 to 30 kt. Seas 7 to 13 ft. Scattered showers and chance of tstms E portion. .TONIGHT...N winds 25 to 30 kt, becoming N to NW 25 to 35 kt. Seas 8 to 14 ft. Isolated showers early, then scattered showers far E portion. .FRI...N winds 25 to 35 kt. Seas 11 to 18 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 12 to 18 ft. .SAT...N to NW winds 15 to 25 kt. Seas 9 to 16 ft. .SAT NIGHT...N to NW winds 5 to 15 kt, becoming variable. Seas 7 to 12 ft. .SUN...S to SW winds 15 to 25 kt. Seas 6 to 10 ft. .SUN NIGHT...S to SW winds 20 to 30 kt. Seas 6 to 11 ft. .MON...W to SW winds 20 to 30 kt. Seas 7 to 12 ft. .MON NIGHT...W to NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 10 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TODAY...N winds 20 to 30 kt. Seas 7 to 12 ft. Scattered showers and chance of tstms, then isolated showers. .TONIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft. Isolated showers early E portion. .FRI...N winds 20 to 30 kt. Seas 9 to 15 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 10 to 16 ft. .SAT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 9 to 16 ft. .SAT NIGHT...N winds 5 to 15 kt, becoming variable. Seas 7 to 12 ft. .SUN...Variable winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas 6 to 10 ft. .SUN NIGHT...S to SW winds 20 to 30 kt. Seas 6 to 11 ft. .MON...W to SW winds 15 to 25 kt. Seas 6 to 10 ft. .MON NIGHT...W to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 8 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TODAY...N winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers and chance of tstms, then isolated showers. .TONIGHT...N winds 20 to 30 kt. Seas 7 to 12 ft. Isolated showers early E portion. .FRI...N winds 15 to 25 kt. Seas 8 to 12 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 8 to 12 ft. .SAT...N winds 5 to 15 kt, diminishing to less than 10 kt. Seas 9 to 13 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 6 to 11 ft. .SUN...S to SW winds 5 to 15 kt. Seas 5 to 9 ft. .SUN NIGHT...S to SW winds 10 to 20 kt. Seas 5 to 9 ft. .MON...W to SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 8 ft. .MON NIGHT...SW winds 5 to 15 kt. Seas 3 to 6 ft. .Forecaster Figurskey. Ocean Prediction Center.