


Offshore Forecast
Issued by NWS
Issued by NWS
473 FZNT34 KWBC 160231 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1031 PM EDT Tue Jul 15 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...Much of the waters will remain along the western extent of a strong Bermuda high pressure area tonight through Fri. A cold front will approach the NW waters by early Fri, and move into the northern and then the central waters late Fri into Sat. The front will stall over the central waters later Sat into Sat night, and then return N as a warm front Sun. Another cold front will approach from the NW Sun night. A low pressure trough will develop near the coast Fri night and persist through Sun night. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TONIGHT...SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 2 to 4 ft. Chance of showers and tstms. .WED...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. Chance of showers and tstms. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and tstms. .THU...SW winds 10 to 20 kt. Seas 4 to 7 ft. Scattered showers and tstms. .THU NIGHT...SW winds 10 to 20 kt, becoming W. Seas 3 to 6 ft. .FRI...NW winds 5 to 15 kt, becoming W to NW. Seas 3 to 5 ft. .FRI NIGHT...W to NW winds less than 10 kt, becoming N. Seas 3 to 4 ft. .SAT...E to NE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds 5 to 10 kt, becoming S. Seas 3 to 4 ft. .SUN...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...W to SW winds 5 to 15 kt, becoming W to NW 5 to 10 kt. Seas 3 to 4 ft. Baltimore Canyon to the Hague Line south of 1000 fm .TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and tstms. .WED...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. Scattered showers and tstms. .THU...SW winds 15 to 25 kt. Seas 4 to 7 ft. Tstms and scattered showers. .THU NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 8 ft. .FRI...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 6 ft. .SAT...N to NW winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SUN...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 20 kt, becoming W 15 to 25 kt. Seas 3 to 6 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. Scattered showers and tstms. .WED...SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms. .WED NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers and tstms. .THU...SW winds 15 to 25 kt. Seas 4 to 7 ft. Tstms and scattered showers. .THU NIGHT...W to SW winds 15 to 25 kt. Seas 5 to 8 ft. .FRI...W winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...W winds 5 to 15 kt. Seas 3 to 6 ft. .SAT...W winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming SW. Seas 3 to 4 ft. .SUN...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 3 to 5 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TONIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. Chance of showers and tstms. .WED...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. Scattered showers and tstms. .WED NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms. .THU...SW winds 15 to 25 kt. Seas 3 to 6 ft. Tstms and scattered showers. .THU NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. .FRI...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .SAT...W winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TONIGHT...S winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms. .WED...S winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers and tstms. .WED NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and tstms. .THU...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and chance of tstms. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 20 kt, becoming W. Seas 3 to 5 ft. .SAT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .Forecaster Mills. Ocean Prediction Center.