FZNT23 KWNM 202103 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 503 PM EDT Fri Mar 20 2026 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...Low pressure will lift a warm front over the waters tonight, followed by a cold front Sat and Sat night. Another warm front will approach the coast later Sat night, then lift N across the waters Sun as the parent low pressure center approaches the area. The low and an associated cold front will move across the waters Sun night into Mon. High pressure will build across the area behind the front Mon night and persist into Tue night. Another cold front will move through the waters Wed and Wed night. Eastport Maine to Cape Cod .TONIGHT...S to SW winds 20 to 30 kt. Seas 5 to 9 ft. Slight chance of rain with vsby 1 nm or less. .SAT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...Variable winds 10 to 20 kt. Seas 4 to 8 ft. Light freezing spray. .SUN...S winds 15 to 25 kt. Seas 3 to 5 ft. Areas of fog, slight chance of rain and snow with vsby 1 nm or less. .SUN NIGHT...NE winds 20 to 30 kt. Seas 4 to 7 ft. .MON...NE winds 20 to 30 kt. Seas 6 to 10 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 8 to 11 ft. .TUE...NW winds 15 to 25 kt. Seas 7 to 11 ft. .TUE NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. .WED...W to SW winds 15 to 25 kt. Seas 5 to 8 ft. .WED NIGHT...W to NW winds 20 to 30 kt. Seas 5 to 9 ft. Cape Cod to Nantucket Shoals and Georges Bank ...GALE FORCE WINDS POSSIBLE MON NIGHT... .TONIGHT...S to SW winds 15 to 25 kt. Seas 5 to 8 ft. .SAT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. Slight chance of rain with vsby 1 nm or less. .SAT NIGHT...N to NE winds 10 to 20 kt. Seas 4 to 8 ft. .SUN...S winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. .MON...W to SW winds 15 to 25 kt. Seas 5 to 9 ft. .MON NIGHT...N winds 25 to 35 kt. Seas 7 to 12 ft. .TUE...N winds 25 to 35 kt. Seas 8 to 12 ft. .TUE NIGHT...S to SW winds 15 to 25 kt. Seas 6 to 10 ft. .WED...SW winds 20 to 30 kt. Seas 5 to 9 ft. .WED NIGHT...W winds 15 to 25 kt. Seas 5 to 9 ft. South of New England ...GALE FORCE WINDS POSSIBLE TUE... .TONIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...N winds 15 to 25 kt. Seas 5 to 9 ft. .SAT NIGHT...S to SE winds 5 to 15 kt. Seas 4 to 6 ft. .SUN...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. .MON...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft. .TUE...N winds 25 to 35 kt. Seas 7 to 11 ft. .TUE NIGHT...S to SW winds 10 to 20 kt. Seas 5 to 8 ft. .WED...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. .WED NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 8 ft.