


Offshore Forecast
Issued by NWS
Issued by NWS
259 FZNT34 KWBC 291504 OFFN32 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1104 AM EDT Sun Jun 29 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...High pressure will linger over the S waters. Weak low pressure developing N of the area today, will move E through tonight, with a weak cold front moving into the N waters behind the low and becoming nearly stationary. The front should diminish Mon as high pressure builds N over the area. The high will move E of the N waters Mon night and Tue ahead of a slow-moving cold front. The front will reach the coast Tue night, weakening as it moves offshore over the N waters Tue night and Wed. Another slow-moving cold front will approach the coast Wed night into Thu, finally pushing offshore over the N waters Thu night. Hudson Canyon to Baltimore Canyon including the waters west of 39.3N 71.9W...SW to 37.7N 72.9W .TODAY...SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 2 to 4 ft. Chance of showers, tstms and areas of fog with vsby 1 nm or less. .TONIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and tstms with vsby 1 nm or less. .MON...S to SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and tstms with vsby 1 nm or less. .MON NIGHT...S winds 10 to 20 kt, becoming SW. Seas 3 to 6 ft. Chance of showers and tstms with vsby 1 nm or less. .TUE...SW winds 15 to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. .WED...W to SW winds 10 to 20 kt, becoming SW 5 to 15 kt. Seas 3 to 6 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas 3 to 5 ft. .THU...Variable winds less than 5 kt, becoming W to SW 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 4 ft. Baltimore Canyon to the Hague Line south of 1000 fm .TODAY...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 4 to 5 ft. Scattered showers, tstms and areas of fog with vsby 1 nm or less. .TONIGHT...SW winds 10 to 20 kt, becoming W. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .MON...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .MON NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. .TUE...SW winds 15 to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. .WED...SW winds 15 to 25 kt. Seas 4 to 8 ft. .WED NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 8 ft. .THU...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. .THU NIGHT...W to SW winds 5 to 15 kt. Seas 4 to 7 ft. Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W .TODAY...SW winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers and tstms. .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .MON...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms. .MON NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms. .TUE...SW winds 15 to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. .WED...SW winds 15 to 25 kt. Seas 4 to 7 ft. .WED NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. .THU...SW winds 15 to 25 kt. Seas 4 to 7 ft. .THU NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W .TODAY...SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers and tstms. .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms. .MON...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms. .MON NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and isolated tstms. .TUE...SW winds 15 to 25 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. .WED...SW winds 15 to 25 kt. Seas 3 to 6 ft. .WED NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. .THU...SW winds 15 to 25 kt. Seas 4 to 7 ft. .THU NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. Cape Fear to 31N out to 32N 73W to 31N 74W .TODAY...SW winds less than 10 kt, becoming S to SW. Seas 3 to 5 ft. Scattered showers and tstms. .TONIGHT...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and tstms. .MON...S to SW winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 3 to 4 ft. Scattered showers and tstms. .MON NIGHT...S winds 10 to 20 kt, becoming SW. Seas 3 to 5 ft. Scattered showers and tstms. .TUE...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. .WED...SW winds 10 to 20 kt. Seas 3 to 6 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. .THU...SW winds 15 to 25 kt. Seas 4 to 7 ft. .THU NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. .Forecaster Mills. Ocean Prediction Center.