Offshore Forecast
Issued by NWS
Issued by NWS
135 FZNT23 KWNM 282059 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 459 PM EDT Mon Sep 28 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 about 120 NM SW of Nantucket Island, Massachusetts late this afternoon, will slowly move NE near the coast while weakening tonight, then cross the Gulf of Maine later tonight into Tue before moving E of the waters Tue night. Strong high pressure centered NE of the area will continue to track SE while moving well E of the region tonight. A weak high pressure ridge will build into the waters Wed and Wed night, then shift E of the region Thu and Thu night. A cold front will move through the area Fri and Fri night. Another area of high pressure will move into the area Sat and Sat night. Eastport Maine to Cape Cod .TONIGHT...N to NE winds 10 to 20 kt. Seas 5 to 8 ft. Scattered showers and slight chance of tstms. Areas of fog. Vsby 1 NM or less. .TUE...W to NW winds 10 to 20 kt. Seas 5 to 8 ft. Scattered showers and slight chance of tstms with vsby 1 nm or less. .TUE NIGHT...N winds 5 to 15 kt. Seas 5 to 7 ft. .WED...Variable winds 5 to 15 kt. Seas 3 to 6 ft. .WED NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .THU...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...N to NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TONIGHT...W to SW winds 15 to 25 kt. Seas 6 to 10 ft. Scattered showers and slight chance of tstms with vsby 1 nm or less. .TUE...W winds 10 to 20 kt. Seas 5 to 8 ft. Scattered showers and slight chance of tstms with vsby 1 nm or less. .TUE NIGHT...W winds 10 to 20 kt. Seas 4 to 8 ft. .WED...NW winds 5 to 15 kt. Seas 4 to 7 ft. .WED NIGHT...W to NW winds less than 10 kt. Seas 3 to 5 ft. .THU...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. .FRI...SW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 5 to 15 kt. Seas 3 to 6 ft. .SAT...N winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft. South of New England .TONIGHT...W to NW winds 15 to 25 kt. Seas 6 to 10 ft. Scattered showers and slight chance of tstms. .TUE...W winds 10 to 20 kt. Seas 4 to 7 ft. .TUE NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .WED...Variable winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft. .THU...SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. .FRI...SW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.