Offshore Forecast
Issued by NWS
Issued by NWS
519 FZNT34 KWBC 122048 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 348 PM EST Wed Nov 12 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...A cold front moves through the S waters tonight while a surface trough moves through the N waters. As low pressure moves slowly E across the Gulf of Maine Thu, yet another cold front will move S over the N and central waters Thu and Thu night, before gradually weakening over the S waters Fri and Fri night. High pressure will build E Fri night and Sat, with a warm front slowly moving N over the central and N waters Sat and Sat night. A cold front approaches from the W late Sat night and passes over the most of the area Sun and Sun night associated with a low moving over the N waters Sun. A strong, secondary cold front moves into the N waters late Sun and into the central waters Sun night before weakening. High pressure gradually builds E again over the waters Mon and Mon 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 SUN NIGHT... .TONIGHT...W winds 20 to 30 kt. Seas 6 to 10 ft. Isolated showers. .THU...W to NW winds 20 to 30 kt. Seas 6 to 10 ft. .THU NIGHT...NW winds 20 to 30 kt. Seas 6 to 10 ft. .FRI...NW winds 15 to 25 kt. Seas 5 to 9 ft. Scattered showers. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. .SAT...N winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 3 to 6 ft. .SAT NIGHT...SW winds 20 to 30 kt. Seas 3 to 4 ft, building to 4 to 8 ft. .SUN...SW winds 20 to 30 kt, becoming W to NW. Seas 6 to 11 ft. .SUN NIGHT...NW winds 25 to 35 kt, becoming W to NW 20 to 30 kt. Seas 7 to 13 ft. .MON...W winds 25 to 35 kt, becoming W to NW 20 to 30 kt. Seas 7 to 13 ft. .MON NIGHT...NW winds 20 to 30 kt. Seas 7 to 12 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...GALE WARNING... .TONIGHT...W winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 9 to 16 ft. Scattered showers. Isolated tstms E portion. .THU...W winds 20 to 30 kt. Seas 8 to 13 ft. Scattered showers. .THU NIGHT...NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 9 to 15 ft. Scattered showers. Isolated tstms E portion. .FRI...NW winds 20 to 30 kt. Seas 7 to 13 ft. Scattered showers. .FRI NIGHT...NW winds 20 to 30 kt. Seas 7 to 12 ft. .SAT...NW winds 15 to 25 kt. Seas 7 to 12 ft. .SAT NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. .SUN...SW winds 25 to 30 kt, becoming W to SW 25 to 35 kt. Seas 11 to 18 ft. .SUN NIGHT...W to NW winds 25 to 35 kt. Seas 10 to 18 ft. .MON...W winds 30 to 40 kt. Seas 12 to 21 ft. .MON NIGHT...NW winds 25 to 35 kt, becoming 25 to 30 kt. Seas 12 to 20 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W ...GALE WARNING... .TONIGHT...W winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 9 to 16 ft. .THU...W to NW winds 20 to 30 kt. Seas 8 to 13 ft. .THU NIGHT...NW winds 20 to 30 kt. Seas 8 to 13 ft. .FRI...NW winds 20 to 30 kt. Seas 8 to 12 ft. .FRI NIGHT...NW winds 20 to 30 kt. Seas 7 to 12 ft. .SAT...NW winds 20 to 30 kt. Seas 7 to 12 ft. .SAT NIGHT...W to SW winds 20 to 30 kt. Seas 6 to 10 ft. .SUN...W to SW winds 25 to 35 kt. Seas 10 to 17 ft. .SUN NIGHT...NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 10 to 17 ft. .MON...NW winds 20 to 30 kt, becoming W. Seas 9 to 14 ft. .MON NIGHT...NW winds 20 to 30 kt. Seas 9 to 14 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W ...GALE WARNING... .TONIGHT...W winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 8 to 14 ft. .THU...NW winds 15 to 25 kt. Seas 6 to 11 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. .FRI...NW winds 15 to 25 kt. Seas 6 to 11 ft. .FRI NIGHT...W to NW winds 15 to 25 kt. Seas 6 to 10 ft. .SAT...W to NW winds 20 to 30 kt. Seas 7 to 11 ft. .SAT NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. .SUN...W to SW winds 25 to 30 kt, becoming 25 to 35 kt. Seas 9 to 15 ft. .SUN NIGHT...W to NW winds 25 to 35 kt, becoming NW 15 to 25 kt. Seas 9 to 15 ft. .MON...NW winds 10 to 20 kt. Seas 7 to 12 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 9 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TONIGHT...W winds 20 to 30 kt. Seas 6 to 10 ft. .THU...NW winds 10 to 20 kt. Seas 5 to 9 ft. .THU NIGHT...N to NW winds 10 to 20 kt, becoming N 5 to 15 kt. Seas 4 to 7 ft. .FRI...N winds 10 to 20 kt, becoming N to NW 5 to 15 kt. Seas 4 to 7 ft. .FRI NIGHT...N to NW winds 5 to 15 kt, becoming W to NW. Seas 4 to 7 ft. .SAT...W winds 15 to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. .SUN...W to SW winds 20 to 30 kt. Seas 7 to 12 ft. .SUN NIGHT...W to NW winds 20 to 30 kt. Seas 9 to 14 ft. .MON...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...N to NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 4 to 8 ft. .Forecaster Figurskey. Ocean Prediction Center.