


Offshore Forecast
Issued by NWS
Issued by NWS
307 FZNT23 KWNM 290328 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 1128 PM EDT Thu Aug 28 2025 Conditions given represent the highest within that period. Locally higher winds and seas can be expected in and near tstms. ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed coastal waters forecasts... .SYNOPSIS...High pressure over the outer waters this evening will move E of the area tonight into Fri as a cold front approaches from the W. The front will move slowly offshore Fri night into Sat, then pass E of the area later Sat and Sat night. Another weak low pressure trough will move SE over the region Sat night into Sun. Another high will build SE across the area Sun into Mon night, then shift E of the region Tue and Tue night while maintaining a ridge across the area. Eastport Maine to Cape Cod .TONIGHT...S winds 5 to 15 kt. Seas 3 to 5 ft. .FRI...S winds 5 to 15 kt. Seas 3 to 5 ft. Chance of showers and tstms with vsby 1 nm or less. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .SAT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .SAT NIGHT...NW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...Variable winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 3 ft. .TUE...E to SE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E to SE winds less than 10 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TONIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers. .FRI...SE winds 5 to 15 kt. Seas 3 to 6 ft. Scattered showers and tstms. .FRI NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .SAT...W winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .SAT NIGHT...W to NW winds less than 10 kt. Seas 3 to 4 ft. .SUN...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 5 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 5 to 15 kt. Seas 4 to 7 ft. South of New England .TONIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and chance of tstms. .FRI...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and tstms. .FRI NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 5 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 5 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 5 to 15 kt. Seas 4 to 6 ft.