Offshore Forecast
Issued by NWS
Issued by NWS
863 FZNT34 KWBC 210227 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1027 PM EDT Fri Sep 20 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 180 nm SE of Nantucket will remain nearly stationary tonight, slowly drift E across the outer mid-Atlantic waters Sat through Sun night, then drift more S and SE while remaining E of the waters Mon through Wed night. A weak front extending S from the low will slowly move E and SE across the outer central waters tonight through Sat, moving SE of the southern waters Sat 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 .TONIGHT...N to NE winds 20 to 30 kt. Seas 7 to 13 ft. .SAT...N winds 20 to 30 kt. Seas 7 to 13 ft. .SAT NIGHT...N to NE winds 20 to 30 kt. Seas 7 to 12 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 10 to 20 kt. Seas 6 to 11 ft. .MON NIGHT...E to NE winds 10 to 20 kt, becoming NE 10 to 15 kt. Seas 6 to 10 ft. .TUE...NE winds 10 to 15 kt. Seas 6 to 10 ft. .TUE NIGHT...E to NE winds 5 to 15 kt. Seas 5 to 9 ft. .WED...E winds 5 to 15 kt, becoming SE. Seas 5 to 8 ft. .WED NIGHT...S to SE winds 5 to 15 kt, becoming E 5 to 10 kt. Seas 4 to 8 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...GALE WARNING... .TONIGHT...N winds 20 to 30 kt, becoming N to NW 25 to 35 kt. Seas 8 to 14 ft. Scattered showers. .SAT...N to NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 8 to 14 ft. Scattered showers. .SAT NIGHT...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 10 to 18 ft. .MON...NE winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 10 to 17 ft. .MON NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 ft. .TUE...NE winds 20 to 30 kt. Seas 9 to 14 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .WED...E to NE winds 10 to 20 kt. Seas 7 to 11 ft. .WED NIGHT...E winds 10 to 20 kt, becoming 10 to 15 kt. Seas 7 to 10 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TONIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft. .SAT...N winds 15 to 25 kt. Seas 7 to 12 ft. .SAT NIGHT...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 7 to 13 ft. .MON...N winds 15 to 25 kt. Seas 8 to 13 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 7 to 13 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 10 ft. .WED...NE winds 5 to 15 kt, becoming E to NE. Seas 5 to 9 ft. .WED NIGHT...S winds 5 to 10 kt, becoming E. Seas 4 to 8 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TONIGHT...N to NE winds 5 to 15 kt. Seas 5 to 9 ft. Isolated showers and tstms. .SAT...N to NE winds 5 to 15 kt. Seas 5 to 9 ft. .SAT NIGHT...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. .MON...N winds 10 to 20 kt. Seas 6 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, becoming 5 to 10 kt. Seas 5 to 9 ft. .WED...N winds 5 to 15 kt, becoming N to NE. Seas 5 to 8 ft. .WED NIGHT...E to NE winds less than 10 kt. Seas 4 to 8 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TONIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. Isolated showers and tstms. .SAT...NE winds 10 to 20 kt. Seas 4 to 7 ft. Isolated showers and tstms. .SAT NIGHT...E to NE winds 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...Variable winds 5 to 15 kt, becoming N. 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 10 ft. .TUE NIGHT...E to NE winds 5 to 15 kt, becoming NE. Seas 5 to 9 ft. .WED...N to NE winds less than 10 kt. Seas 4 to 7 ft. .WED NIGHT...Variable winds less than 10 kt, becoming S to SE. Seas 4 to 7 ft. .Forecaster Connelly. Ocean Prediction Center.