


Offshore Forecast
Issued by NWS
Issued by NWS
845 FZNT23 KWNM 132059 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 459 PM EDT Wed Aug 13 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 cold front will approach the region tonight, then move E across the waters Thu and Thu night, then weaken Fri. High pressure will build SE across the region Fri through Sat night, then shift SE of the area Sun. Another cold front will slowly move across the waters Sun night into Mon night. Eastport Maine to Cape Cod .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Areas of fog. Slight chance of tstms. Vsby 1 NM or less. .THU...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of rain with vsby 1 nm or less. .THU NIGHT...N to NE winds 10 to 20 kt. Seas 3 to 4 ft. Rain with vsby 1 nm or less. .FRI...NE winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SAT...S winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 4 ft. .MON...N winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 5 to 15 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 tstms. .THU...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Rain with vsby 1 nm or less. .THU NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. Rain with vsby 1 nm or less. .FRI...NE winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 6 ft. .SUN...SW winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...W to SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON...N to NW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. South of New England .TONIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Isolated tstms with vsby 1 nm or less. .THU...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Rain with vsby 1 nm or less. .THU NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. Rain with vsby 1 nm or less. .FRI...NE winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E to NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E to NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...Variable winds 5 to 15 kt. Seas 3 to 6 ft. .SUN...SW winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .MON...N to NE winds 10 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft.