Offshore Forecast
Issued by NWS
Issued by NWS
733 FZNT34 KWBC 211447 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1047 AM EDT Sat Sep 21 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 centered about 160 nm SE of Nantucket will slowly drift E across the outer mid-Atlantic waters today through Sun night, then drift more S and SE while remaining E of the waters Mon through Wed night. A high pressure ridge will gradually build S into the northern and central waters Sun into Mon, continue building S along the coast Mon into Tue night, then expand offshore Wed and Wed night. 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 7 to 12 ft. .TONIGHT...N to NE winds 20 to 30 kt. Seas 6 to 11 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 10 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 6 to 11 ft. .MON...NE winds 15 to 25 kt. Seas 6 to 11 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 11 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 5 to 9 ft. .WED...E winds 5 to 15 kt. Seas 5 to 8 ft. .WED NIGHT...E winds 10 to 15 kt, becoming SE 5 to 10 kt. Seas 5 to 7 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...GALE WARNING... .TODAY...N to NW winds 20 to 30 kt. Seas 8 to 14 ft. Scattered showers and slight chance of tstms. .TONIGHT...N winds 20 to 30 kt. Seas 7 to 13 ft. Scattered showers and slight chance of tstms. .SUN...N to NE winds 30 to 40 kt. Seas 10 to 17 ft. Scattered showers. .SUN NIGHT...N to NE winds 30 to 40 kt. Seas 11 to 18 ft. Scattered showers. .MON...N to NE winds 25 to 35 kt, becoming NE 20 to 30 kt. Seas 10 to 18 ft. .MON NIGHT...NE winds 20 to 30 kt. Seas 9 to 16 ft. .TUE...NE winds 20 to 30 kt. Seas 9 to 15 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 14 ft. .WED...E to NE winds 10 to 20 kt. Seas 7 to 12 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 10 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TODAY...N winds 15 to 25 kt. Seas 7 to 13 ft. .TONIGHT...N to NW winds 15 to 25 kt. Seas 7 to 12 ft. .SUN...N winds 15 to 25 kt. Seas 7 to 12 ft. Isolated showers. .SUN NIGHT...N winds 15 to 25 kt. Seas 8 to 13 ft. Scattered showers. .MON...N winds 20 to 30 kt. Seas 8 to 14 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 8 to 14 ft. .TUE...N to NE winds 10 to 20 kt. Seas 7 to 12 ft. .TUE NIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 11 ft. .WED...E to NE winds 5 to 15 kt. Seas 6 to 10 ft. .WED NIGHT...E winds 10 to 15 kt, becoming S 5 to 10 kt. Seas 5 to 9 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TODAY...N to NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 10 ft. .TONIGHT...N to NE winds 5 to 15 kt, becoming N 10 to 20 kt. Seas 5 to 9 ft. .SUN...N winds 10 to 20 kt. Seas 5 to 9 ft. Isolated showers. .SUN NIGHT...N winds 10 to 20 kt. Seas 6 to 10 ft. Isolated showers. .MON...N winds 10 to 20 kt. Seas 7 to 11 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 7 to 11 ft. .TUE...N winds 10 to 20 kt. Seas 6 to 11 ft. .TUE NIGHT...N to NE winds 5 to 15 kt. Seas 5 to 9 ft. .WED...E to NE winds 5 to 15 kt. Seas 5 to 9 ft. .WED NIGHT...E winds 10 to 15 kt, becoming S 5 to 10 kt. Seas 4 to 8 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TODAY...NE winds 10 to 20 kt. Seas 4 to 8 ft. Isolated showers and tstms. .TONIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 7 ft. .SUN...N to NE winds 5 to 15 kt. Seas 4 to 7 ft. .SUN NIGHT...N to NE winds 5 to 15 kt, becoming variable. Seas 4 to 7 ft. .MON...N to NE winds 5 to 15 kt. Seas 4 to 8 ft. .MON NIGHT...N to NE winds 5 to 15 kt. Seas 5 to 9 ft. .TUE...N to NE winds 5 to 15 kt. Seas 6 to 9 ft. .TUE NIGHT...N to NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 5 to 8 ft. .WED...E to NE winds 5 to 15 kt. Seas 4 to 7 ft. .WED NIGHT...E winds 10 to 15 kt, becoming S to SE. Seas 4 to 7 ft. .Forecaster Collins. Ocean Prediction Center.