Offshore Forecast
Issued by NWS
Issued by NWS
591 FZNT34 KWBC 212024 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 324 PM EST Thu Nov 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 over the northern waters this evening will move N and inland tonight while an occluded front extending ESE from the low moves N across the outer Mid- Atlantic waters and Georges Bank. The low will then turn W and weaken Fri before reemerging over the Mid- Atlantic waters Fri night. A new area of low pressure will develop SE of Georges Bank on Fri, with a cold front forming and extending SW through all of the offshore waters. The cold front will clear the waters early Fri night, and the low will lift NE away from the waters late Fri night. A high pressure ridge S of the waters Sat will gradually build N into the southern waters Sat night through Mon night. The ridge will shift E Tue and Tue night as a cold front moves E across the northern and central waters. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W ...GALE WARNING... .TONIGHT...W winds 25 to 35 kt, diminishing to 20 to 25 kt. Seas 8 to 13 ft. Scattered showers. .FRI...W to SW winds 15 to 25 kt. Seas 5 to 8 ft. .FRI NIGHT...W to SW winds 20 to 30 kt, becoming NW 25 to 35 kt. Seas 8 to 13 ft. Scattered showers. .SAT...W to NW winds 25 to 35 kt. Seas 8 to 14 ft. .SAT NIGHT...W to NW winds 25 to 35 kt. Seas 8 to 14 ft. .SUN...W winds 20 to 30 kt. Seas 7 to 13 ft. .SUN NIGHT...W to NW winds 15 to 25 kt. Seas 6 to 10 ft. .MON...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 6 ft. .TUE...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft. Baltimore Canyon to the Hague Line south of 1000 fm ...GALE WARNING... .TONIGHT...W winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 9 to 15 ft. Showers and slight chance of tstms. .FRI...W to SW winds 15 to 25 kt. Seas 7 to 12 ft. Scattered showers. .FRI NIGHT...W winds 20 to 30 kt, increasing to 35 to 45 kt. Seas 7 to 12 ft, building to 11 to 18 ft. Scattered showers. .SAT...W to NW winds 35 to 45 kt. Seas 14 to 23 ft. Scattered showers. .SAT NIGHT...W winds 35 to 45 kt. Seas 15 to 24 ft. .SUN...W winds 30 to 40 kt. Seas 13 to 23 ft. .SUN NIGHT...W to NW winds 30 to 40 kt. Seas 13 to 21 ft. .MON...W winds 20 to 30 kt. Seas 10 to 17 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 7 to 11 ft. .TUE...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. .TUE NIGHT...W to NW winds 20 to 30 kt. Seas 6 to 10 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W ...GALE WARNING... .TONIGHT...W winds 20 to 30 kt. Seas 7 to 13 ft. .FRI...W winds 20 to 30 kt. Seas 7 to 12 ft. Scattered showers. .FRI NIGHT...W winds 35 to 45 kt. Seas 12 to 19 ft. Scattered showers. .SAT...W to NW winds 30 to 40 kt. Seas 14 to 22 ft. Scattered showers. .SAT NIGHT...W to NW winds 25 to 35 kt. Seas 11 to 18 ft. .SUN...W winds 20 to 30 kt. Seas 9 to 16 ft. .SUN NIGHT...W winds 15 to 25 kt. Seas 7 to 13 ft. .MON...W winds 10 to 20 kt. Seas 5 to 9 ft. .MON NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 8 ft. .TUE...W winds 20 to 30 kt. Seas 5 to 8 ft. .TUE NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W ...GALE WARNING... .TONIGHT...W winds 15 to 20 kt, increasing to 20 to 30 kt. Seas 6 to 11 ft. .FRI...W winds 20 to 30 kt. Seas 8 to 14 ft. Scattered showers. .FRI NIGHT...W winds 30 to 40 kt. Seas 10 to 17 ft. .SAT...W winds 25 to 35 kt, becoming W to NW 20 to 30 kt. Seas 12 to 18 ft. .SAT NIGHT...W to NW winds 20 to 30 kt. Seas 9 to 15 ft. .SUN...W winds 15 to 25 kt. Seas 7 to 11 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 5 to 9 ft. .MON...W winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...W to SW winds 20 to 30 kt. Seas 4 to 7 ft. .TUE...W winds 15 to 25 kt. Seas 4 to 8 ft. .TUE NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. Cape Fear to 31N out to 32N 73W to 31N 74W ...GALE WARNING... .TONIGHT...W winds 20 to 30 kt, increasing to 25 to 35 kt early, then, diminishing to 20 to 30 kt. Seas 7 to 11 ft. .FRI...W winds 20 to 30 kt, becoming W to NW 25 to 35 kt. Seas 9 to 15 ft. Scattered showers. .FRI NIGHT...W to NW winds 20 to 30 kt. Seas 9 to 14 ft. .SAT...W to NW winds 20 to 30 kt. Seas 9 to 14 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 7 to 12 ft. .SUN...W winds 5 to 15 kt. Seas 4 to 8 ft. .SUN NIGHT...W to SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 4 to 6 ft. .MON...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...W to SW winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...W winds 15 to 25 kt. Seas 3 to 6 ft. .TUE NIGHT...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .Forecaster Connelly. Ocean Prediction Center.