


Offshore Forecast
Issued by NWS
Issued by NWS
971 FZNT34 KWBC 170843 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 443 AM EDT Thu Jul 17 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...The southern waters will remain along the western extent of a Bermuda high pressure area today into Sat before the high weakens and shifts southward. A cold front will approach the NW waters later today, and move E and SE over the northern waters tonight into Fri. The front will reach the central waters during Fri, stall and weaken over the central waters Fri night into Sat night, and then return N as a warm front late Sat night into Sun. High pressure will cross the waters N of the stalled front Fri night into Sat night. Another cold front will approach from the NW Sun, move over the northern waters Sun night, the central waters Mon, and stall across the southern waters Mon night. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TODAY...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms. .TONIGHT...W to SW winds 15 to 25 kt, becoming W to NW 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms. .FRI...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. Slight chance of showers and tstms. .FRI NIGHT...Variable winds 5 to 15 kt, becoming S. Seas 3 to 4 ft. .SAT...S winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 10 to 15 kt, becoming N. Seas 3 to 5 ft. .MON...N winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. Baltimore Canyon to the Hague Line south of 1000 fm .TODAY...SW winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers and tstms. .TONIGHT...W to SW winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers and tstms. .FRI...W to NW winds 15 to 25 kt, becoming N to NW 10 to 15 kt. Seas 4 to 8 ft. Scattered showers and tstms. .FRI NIGHT...N winds 5 to 15 kt. Seas 3 to 6 ft. Scattered showers and tstms. .SAT...N winds less than 10 kt, becoming S to SE. Seas 3 to 5 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 4 to 6 ft. .SUN...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...W to SW winds 15 to 25 kt. Seas 5 to 8 ft. .MON...N to NW winds 5 to 15 kt. Seas 4 to 7 ft. .MON NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TODAY...SW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers and tstms. .TONIGHT...SW winds 15 to 25 kt, becoming W. Seas 4 to 7 ft. Scattered showers and tstms. .FRI...W winds 15 to 25 kt. Seas 4 to 7 ft. Showers and tstms. .FRI NIGHT...W to NW winds 10 to 20 kt, becoming variable less than 10 kt. Seas 3 to 6 ft. Showers and tstms likely. .SAT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds 10 to 20 kt, becoming SW. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. .MON...W to NW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TODAY...SW winds 15 to 25 kt. Seas 3 to 6 ft. Chance of showers and tstms. .TONIGHT...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. Chance of showers and tstms. .FRI...W winds 10 to 20 kt. Seas 4 to 7 ft. Scattered showers and tstms. .FRI NIGHT...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. Showers and tstms likely. .SAT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...W to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TODAY...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and tstms. .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and tstms. .FRI...W to SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms. .FRI NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 4 ft. Chance of showers and tstms. .SAT...W winds 5 to 15 kt, becoming W to SW 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...W to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .SUN...W winds 10 to 20 kt, becoming SW. Seas 3 to 5 ft. .SUN NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON...W winds 5 to 15 kt, becoming W to SW 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...W to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 5 ft. .Forecaster Mills. Ocean Prediction Center.