


Offshore Forecast
Issued by NWS
Issued by NWS
364 FZNT23 KWNM 171509 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 1109 AM EDT Thu Jul 17 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...A low pressure trough located inland from the coast will persist into this afternoon as a cold approaches from the W. The front will move E and SE over the area tonight into early Fri, and then move E and S of the area by Fri night. High pressure will move E across the waters Fri night into early Sat night. Another cold front will approach the waters by early Sun, and move E and SE across the area late Sun and Sun night. Another high pressure area will build E and SE into the waters Mon and Mon night. Eastport Maine to Cape Cod .TODAY...S winds 10 to 20 kt. Seas 3 to 4 ft. Scattered showers, tstms and areas of fog with vsby 1 nm or less. .TONIGHT...W winds 15 to 25 kt. Seas 3 to 6 ft. Chance of showers and tstms with vsby 1 nm or less. .FRI...W to NW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...S to SW winds 15 to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 3 to 6 ft. .MON...NW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TODAY...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. .TONIGHT...W to SW winds 15 to 25 kt. Seas 5 to 7 ft. Scattered showers and tstms with vsby 1 nm or less. .FRI...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers and tstms with vsby 1 nm or less. .FRI NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...SW winds 15 to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 8 ft. .MON...N winds 5 to 15 kt. Seas 3 to 6 ft. .MON NIGHT...N winds 5 to 15 kt. Seas 3 to 5 ft. South of New England .TODAY...SW winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms. .TONIGHT...W to NW winds 15 to 25 kt. Seas 5 to 7 ft. Chance of showers and tstms. .FRI...N to NW winds 5 to 15 kt. Seas 3 to 6 ft. Chance of showers and tstms. .FRI NIGHT...Variable winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...S winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...SW winds 15 to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. .MON...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft.