


Offshore Forecast
Issued by NWS
Issued by NWS
372 FZNT23 KWNM 032027 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 427 PM EDT Wed Sep 3 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...Weak high pressure will remain over the area through Thu as weak lows move NE along a surface front nearly stationary just SE of the waters. High pressure gradually shifts E Thu night and Fri ahead of a cold front. This slow-moving front approaches the coast Fri, then weakens and dissipates just offshore Fri night. Another cold front approaches from the W Sat, moves into the area Sat night, then weakens and dissipates across the waters Mon. High pressure builds in from the W behind the front late Sun night through Mon night. A stationary boundary will extend across the eastern portion of the waters Sun, and remain in place through Mon night. Eastport Maine to Cape Cod .TONIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Isolated showers with vsby 1 nm or less. .FRI...S winds 15 to 25 kt. Seas 3 to 5 ft. Scattered showers and slight chance of tstms. .FRI NIGHT...S winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...S winds 15 to 25 kt. Seas 3 to 6 ft. .SAT NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...SW winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NW winds 5 to 15 kt. Seas 3 to 5 ft. .MON...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. Cape Cod to Nantucket Shoals and Georges Bank .TONIGHT...N to NE winds 5 to 15 kt. Seas 3 to 6 ft. Scattered showers and tstms. .THU...Variable winds less than 10 kt. Seas 3 to 5 ft. Isolated showers and tstms. .THU NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. Isolated showers with vsby 1 nm or less. .FRI...S winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. .SUN...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...Variable winds 10 to 20 kt. Seas 4 to 7 ft. .MON...N to NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. South of New England .TONIGHT...Variable winds 5 to 15 kt. Seas 3 to 6 ft. Isolated showers. Isolated tstms. .THU...S winds 10 to 20 kt. Seas 3 to 4 ft. Isolated showers and tstms. .THU NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. Isolated showers. .FRI...S winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...W to SW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. .MON...N to NE winds 15 to 25 kt. Seas 4 to 7 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 5 to 8 ft.