


Offshore Forecast
Issued by NWS
Issued by NWS
258 FZNT34 KWBC 050828 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 428 AM EDT Sun Oct 5 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...Strong high pressure will remain in place over the northern and central waters today through Mon night. The high will slowly shift E of the waters Tue into Wed while maintaining a weakening ridge axis W and SW into the area. A low pressure trough along the SE coast will persist today through Tue, then weaken Tue night into Wed. The trough will begin to strengthen Thu night. A strong cold front will reach the northern waters Wed, then move quickly SE across the central waters Wed night. The front will stall across the southern waters Thu and Thu night, while high pressure builds to the N of the area. The USCG communications facility Charleston, South Carolina is still experiencing technical difficulties. Technicians are aware of the problem. We apologize for any inconvenience. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TODAY...W winds less than 10 kt, becoming S to SW. Seas 3 to 5 ft. .TONIGHT...S to SW winds less than 10 kt. Seas 3 to 4 ft. .MON...SW winds less than 10 kt, becoming S. Seas 2 to 4 ft. .MON NIGHT...S winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas 3 to 4 ft. .TUE...S to SW winds 5 to 10 kt, becoming S 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SW winds 15 to 20 kt, becoming N 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...N to NE winds 15 to 25 kt. Seas becoming 4 to 7 ft. .THU...NE winds 15 to 25 kt. Seas 4 to 7 ft. .THU NIGHT...E to NE winds 10 to 20 kt. Seas 4 to 7 ft. Baltimore Canyon to the Hague Line south of 1000 fm .TODAY...W to NW winds less than 10 kt, becoming variable. Seas 4 to 8 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 to 6 ft. .MON...Variable winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...S to SW winds less than 10 kt. Seas 2 to 4 ft. .TUE...S winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 5 ft. .WED...SW winds 15 to 25 kt. Seas becoming 4 to 7 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 5 to 9 ft. .THU...N to NE winds 15 to 25 kt. Seas 6 to 10 ft. .THU NIGHT...E to NE winds 15 to 25 kt. Seas 6 to 10 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TODAY...Variable winds less than 10 kt, becoming E to NE, then, becoming E. Seas 4 to 8 ft. .TONIGHT...E to SE winds 5 to 15 kt. Seas 4 to 7 ft. .MON...E winds 5 to 15 kt. Seas 3 to 6 ft. .MON NIGHT and TUE...E to SE winds 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 20 kt, becoming W. Seas 3 to 5 ft. .WED NIGHT...N to NE winds 15 to 25 kt. Seas building to 5 to 8 ft. .THU...NE winds 20 to 30 kt. Seas becoming 6 to 11 ft. .THU NIGHT...NE winds 20 to 30 kt, becoming E 15 to 25 kt. Seas 6 to 11 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TODAY...E winds 10 to 20 kt. Seas 6 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 9 ft. Isolated showers and tstms. .MON...E winds 10 to 20 kt. Seas 4 to 8 ft. Isolated showers and tstms. .MON NIGHT...E winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 8 ft. .TUE...E winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 7 ft. .TUE NIGHT...E to SE winds 5 to 15 kt. Seas 3 to 6 ft. .WED...S to SW winds less than 10 kt, becoming variable. Seas 3 to 6 ft. .WED NIGHT...N to NE winds increasing to 15 to 25 kt. Seas building to 5 to 8 ft. .THU...NE winds 20 to 30 kt. Seas becoming 6 to 11 ft. .THU NIGHT...E to NE winds 20 to 30 kt. Seas 7 to 12 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TODAY...E winds 15 to 25 kt. Seas 7 to 13 ft. Isolated showers and tstms. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 12 ft. Isolated showers and tstms. .MON...E winds 15 to 25 kt. Seas 7 to 12 ft. Isolated showers and tstms. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 11 ft. Chance of showers and slight chance of tstms. .TUE...E winds 10 to 20 kt. Seas 5 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 8 ft. .WED...E winds 5 to 15 kt. Seas 4 to 7 ft. .WED NIGHT...E winds 5 to 15 kt, becoming E to NE 15 to 25 kt. Seas 3 to 6 ft. .THU...NE winds 20 to 30 kt. Seas building to 6 to 10 ft. .THU NIGHT...E to NE winds 20 to 30 kt. Seas 6 to 11 ft. .Forecaster Mills. Ocean Prediction Center.