Offshore Forecast
Issued by NWS
Issued by NWS
439 FZNT23 KWNM 310840 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 340 AM EST Fri Jan 31 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 high pressure ridge just E of the waters will continue moving E today. Developing low pressure will move E across the waters late today and tonight while pulling a strong cold front SE over the area. The low will then pass E of the region Sat. Strong high pressure will build E over waters Sat night into Sun, then pass E of the area Sun night as a warm front lifts N across the region. Another cold front will move SE across the waters Mon, then pass S of the area Mon night. A series of secondary cold fronts will move SE across the waters Tue into Tue night, before another high builds E over the region Tue night. Eastport Maine to Cape Cod .TODAY...SW winds 15 to 25 kt. Seas 6 to 10 ft. Chance of light freezing rain and snow. .TONIGHT...N to NE winds 10 to 20 kt. Seas 6 to 10 ft. Chance of snow and rain with vsby 1 nm or less. .SAT...N winds 15 to 25 kt. Seas 8 to 13 ft. Light freezing spray. .SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft. Light freezing spray. .SUN...S winds 5 to 15 kt. Seas 5 to 9 ft. .SUN NIGHT...S winds 15 to 25 kt. Seas 5 to 8 ft. .MON...SW winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...W winds 20 to 30 kt. Seas 5 to 9 ft. .TUE...NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 5 to 7 ft. Cape Cod to Nantucket Shoals and Georges Bank ...GALE WARNING... .TODAY...S to SW winds 30 to 40 kt. Seas 9 to 14 ft. .TONIGHT...SW winds 30 to 40 kt. Seas 13 to 20 ft. Chance of rain with vsby 1 nm or less. .SAT...N to NW winds 20 to 30 kt. Seas 12 to 19 ft. Chance of showers. .SAT NIGHT...N winds 15 to 25 kt. Seas 9 to 15 ft. Chance of showers. .SUN...E to SE winds 5 to 15 kt. Seas 6 to 11 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 6 ft. .MON...SW winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. South of New England ...GALE WARNING... .TODAY...SW winds 25 to 35 kt. Seas 9 to 14 ft. Chance of rain with vsby 1 nm or less. .TONIGHT...W to SW winds 30 to 40 kt. Seas 13 to 18 ft. Chance of rain with vsby 1 nm or less. .SAT...N winds 20 to 30 kt. Seas 10 to 18 ft. Chance of rain. .SAT NIGHT...N to NE winds 15 to 25 kt. Seas 7 to 12 ft. .SUN...SE winds 5 to 15 kt. Seas 5 to 8 ft. .SUN NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SW winds 10 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...NW winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 4 ft.