FZNT34 KWBC 160839 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 439 AM EDT Tue Sep 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...Low pressure about 50 nm E of Cape Hatteras will gradually move NW and inland over E North Carolina and SE Virginia today. The low then meanders inland through tonight, lifting NE and then E over the N waters Wed night through Thu night. The low finally moves E of the NE waters Thu night. A surface trough remains over the N waters Thu night behind the low as weak high pressure builds over the S waters. Weak high pressure remains over the S waters Fri as a cold front approaches the N waters from the NW and N. The front passes through the N waters Fri night and reaches the S waters by Sat morning. As high pressure builds over the N waters behind the front Sat and Sat night, the front will become stationary over the S waters. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W ...GALE WARNING... .TODAY...E to NE winds 25 to 35 kt. Seas 9 to 15 ft. Scattered showers and tstms. .TONIGHT...E winds 20 to 30 kt. Seas 7 to 12 ft. Scattered showers and tstms. .WED...E winds 15 to 25 kt, diminishing to 5 to 15 kt. Seas 5 to 8 ft. Scattered showers and tstms. .WED NIGHT...E winds 5 to 15 kt, becoming variable. Seas 4 to 6 ft. Scattered showers and tstms. .THU...N winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...W to SW winds less than 10 kt, becoming W. Seas 3 to 4 ft. .FRI...W winds 5 to 15 kt, becoming NW. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 20 kt, becoming NE 15 to 25 kt. Seas 3 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...E winds 5 to 15 kt. Seas 4 to 7 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...GALE WARNING... .TODAY...E winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 9 to 15 ft. Scattered showers and tstms. .TONIGHT...E winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers and tstms. .WED...E winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 8 ft. Scattered showers and tstms. .WED NIGHT...E to SE winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 4 to 6 ft. Scattered showers and tstms. .THU...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 6 ft. .THU NIGHT...W to SW winds 10 to 20 kt, becoming W to NW. Seas 3 to 6 ft. .FRI...W to NW winds 10 to 15 kt, becoming W 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...N to NW winds 10 to 20 kt, becoming N to NE 15 to 25 kt. Seas 3 to 6 ft. .SAT...N to NE winds 15 to 20 kt. Seas 4 to 8 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 7 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W ...GALE WARNING... .TODAY...E to NE winds 30 to 40 kt. Seas 9 to 16 ft. Scattered showers and tstms. .TONIGHT...E to SE winds 20 to 30 kt. Seas 7 to 12 ft. Scattered showers and tstms. .WED...S to SW winds 5 to 15 kt. Seas 4 to 7 ft. Scattered showers and tstms. .WED NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. Chance of showers and tstms. .THU...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. .THU NIGHT...W to NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .FRI...W to NW winds 5 to 15 kt, becoming W. Seas 3 to 4 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming NE 10 to 20 kt. Seas 3 to 4 ft. .SAT...NE winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...E to NE winds 20 to 30 kt. Seas 5 to 8 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W ...GALE WARNING... .TODAY...E to NE winds 25 to 35 kt, becoming W to SW 20 to 30 kt. Seas 7 to 12 ft. Chance of showers and tstms. .TONIGHT...SW winds 10 to 20 kt. Seas 4 to 8 ft. Chance of showers and tstms. .WED...W to SW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas 3 to 6 ft. Chance of showers and tstms. .WED NIGHT...SW winds 5 to 15 kt, becoming W to SW 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms. .THU...W winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...W to NW winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 4 ft. .FRI...N to NW winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .FRI NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SAT...E to NE winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...E to NE winds 15 to 25 kt. Seas 4 to 7 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TODAY...W to NW winds 10 to 20 kt. Seas 6 to 10 ft. Chance of showers and tstms. .TONIGHT...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms. .WED...W winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...S to SW winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E to SE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .FRI...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E to NE winds 10 to 20 kt. Seas 3 to 6 ft. .SAT...E to NE winds 15 to 25 kt. Seas 5 to 9 ft. .SAT NIGHT...E to NE winds 15 to 25 kt. Seas 5 to 9 ft. .Forecaster Collins. Ocean Prediction Center.