Offshore Forecast
Issued by NWS
Issued by NWS
992 FZNT34 KWBC 150821 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 421 AM EDT Sun Sep 15 2024 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 over the far southern waters will drift towards the W and NW today. The low will strengthen as it moves NW toward the coast tonight into Tue. The low will likely acquire subtropical or tropical characteristics as it tracks NW, and a subtropical or tropical depression or storm will form by early next week before moving inland Tue or Tue night. All marine interests should closely monitor the latest forecast and additional information issued by the National Hurricane Center over the next day or two. Otherwise, high pressure will persist N of the area today into Tue, then slowly weaken and shift more NE Tue night through Wed night. A weak cold front will drift just offshore over the northern waters later Wed and Wed night, and then stall across the northern waters Thu and Thu night. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TODAY...E winds 10 to 15 kt, becoming NE 15 to 20 kt. Seas 4 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 8 ft. .MON...E to NE winds 15 to 25 kt. Seas 5 to 9 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...E winds 20 to 30 kt. Seas 6 to 10 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 6 to 10 ft. .WED...E to SE winds 15 to 25 kt. Seas 5 to 8 ft. .WED NIGHT...E to NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt, becoming NE 15 to 25 kt. Seas 4 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 8 ft. Baltimore Canyon to the Hague Line south of 1000 fm .TODAY...E to NE winds 15 to 25 kt. Seas 5 to 9 ft. .TONIGHT...E winds 15 to 25 kt. Seas 6 to 10 ft. .MON...E winds 15 to 25 kt. Seas 6 to 11 ft. Chance of showers and tstms. .MON NIGHT...E winds 20 to 30 kt. Seas 7 to 11 ft. .TUE...E to SE winds 20 to 30 kt. Seas 7 to 11 ft. .TUE NIGHT...S to SE winds 20 to 30 kt. Seas 6 to 10 ft. .WED...S to SE winds 15 to 25 kt. Seas 5 to 9 ft. .WED NIGHT...S to SE winds 15 to 25 kt. Seas 4 to 7 ft. .THU...E to SE winds 20 to 30 kt, becoming NE. Seas 5 to 9 ft. .THU NIGHT...NE winds 20 to 30 kt. Seas 5 to 9 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TODAY...E winds 20 to 30 kt. Seas 7 to 12 ft. Chance of showers. Chance of tstms. .TONIGHT...E winds 20 to 30 kt. Seas 7 to 12 ft. Chance of showers and tstms. .MON...E winds 20 to 30 kt. Seas 7 to 12 ft. Showers and scattered tstms. .MON NIGHT...E winds 20 to 30 kt. Seas 7 to 13 ft. Tstms and scattered showers. .TUE...E to SE winds 20 to 30 kt. Seas 7 to 12 ft. .TUE NIGHT...S to SE winds 20 to 30 kt. Seas 6 to 9 ft. .WED...S winds 15 to 25 kt. Seas 5 to 8 ft. .WED NIGHT...S winds 10 to 20 kt, becoming SW 5 to 15 kt. Seas 4 to 7 ft. .THU...S winds 10 to 20 kt, becoming variable 5 to 15 kt. Seas 3 to 6 ft. .THU NIGHT...Variable winds 5 to 15 kt, becoming N to NE 10 to 20 kt. Seas 3 to 5 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W ...GALE WARNING... .TODAY...E winds 30 to 40 kt. Seas 9 to 16 ft. Showers likely and scattered tstms. .TONIGHT...E winds 30 to 40 kt. Seas 9 to 16 ft. Showers with tstms likely. .MON...E winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 9 to 15 ft. Showers with tstms likely. .MON NIGHT...E to SE winds 20 to 30 kt. Seas 8 to 14 ft. Tstms and scattered showers. .TUE...S winds 20 to 30 kt. Seas 6 to 11 ft. .TUE NIGHT...S to SW winds 20 to 30 kt. Seas 6 to 10 ft. .WED...S to SW winds 15 to 25 kt. Seas 4 to 8 ft. .WED NIGHT...SW winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 4 to 7 ft. .THU...W winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. .THU NIGHT...Variable winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 4 ft. Cape Fear to 31N out to 32N 73W to 31N 74W ...GALE WARNING... .TODAY...E winds 35 to 45 kt. Seas 10 to 18 ft. Showers likely and scattered tstms. .TONIGHT...E to NE winds 35 to 45 kt. Seas 10 to 18 ft. Showers with tstms likely. .MON...E to NE winds 30 to 40 kt, becoming SE 25 to 35 kt. Seas 9 to 16 ft. Showers with tstms likely. .MON NIGHT...S to SE winds 20 to 30 kt. Seas 6 to 11 ft. Tstms and scattered showers. .TUE...S to SW winds 20 to 30 kt. Seas 6 to 11 ft. .TUE NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. .WED...W winds 15 to 25 kt. Seas 4 to 8 ft. .WED NIGHT...SW winds 5 to 15 kt. Seas 3 to 6 ft. .THU...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...S to SW winds less than 10 kt. Seas 3 to 4 ft. .Forecaster Musonda. Ocean Prediction Center.