Offshore Forecast
Issued by NWS
Issued by NWS
818 FZNT23 KWNM 100914 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 414 AM EST Fri Jan 10 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...Strong, broad low pressure over the Canadian Maritimes will move SE today and tonight as weak high pressure builds E into the area. A surface trough or two associated with the broad low will also move SE across the waters. High pressure diminishes over the area late tonight, as low pressure emerging off of the Carolinas late tonight and early Sat rapidly intensifies and moves just S and SE of the waters through Sat night. Mariners planning voyages off of the east coast should monitor forecasts and prepare for avoidance. The low will move well out into the N Atlantic Sun, with high pressure gradually building E over the waters Sun through early Mon. Weak low pressure should develop along a surface trough in the Gulf of Maine Mon, and the low will linger through Tue while gradually intensifying and then shifting E and SE Tue night. Eastport Maine to Cape Cod ...GALE WARNING... .TODAY...NW winds 25 to 35 kt. Seas 8 to 14 ft. .TONIGHT...N to NW winds 10 to 20 kt. Seas 6 to 10 ft. .SAT...N winds 10 to 20 kt. Seas 3 to 5 ft. Chance of snow and areas of fog with vsby 1 nm or less. .SAT NIGHT...N winds 15 to 25 kt. Seas 3 to 6 ft. Chance of snow and areas of fog with vsby 1 nm or less. .SUN...N winds 15 to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 6 ft. .MON...W winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...W winds 15 to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...W to NW winds 20 to 30 kt. Seas 6 to 10 ft. Cape Cod to Nantucket Shoals and Georges Bank ...GALE WARNING... .TODAY...NW winds 25 to 35 kt. Seas 12 to 18 ft. Scattered showers. .TONIGHT...W winds 20 to 30 kt. Seas 7 to 13 ft. .SAT...N to NE winds 20 to 30 kt. Seas 5 to 8 ft. Rain and snow developing, and areas of fog with vsby 1 nm or less. .SAT NIGHT...N to NW winds 30 to 40 kt. Seas 8 to 13 ft. Periods of rain and snow, then a chance of rain and snow. Areas of fog with vsby 1 nm or less. .SUN...N winds 20 to 30 kt. Seas 8 to 13 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 6 to 11 ft. .MON...W winds 10 to 20 kt. Seas 5 to 8 ft. .MON NIGHT...W winds 20 to 30 kt. Seas 5 to 9 ft. .TUE...W winds 20 to 30 kt. Seas 7 to 11 ft. .TUE NIGHT...W winds 25 to 35 kt. Seas 11 to 17 ft. South of New England ...GALE WARNING... .TODAY...NW winds 25 to 35 kt. Seas 10 to 17 ft. .TONIGHT...W winds 10 to 20 kt. Seas 6 to 10 ft. .SAT...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. Rain and snow. Areas of fog with vsby 1 nm or less. .SAT NIGHT...NW winds 25 to 35 kt. Seas 8 to 12 ft. Chance of snow ending. .SUN...NW winds 20 to 30 kt. Seas 7 to 12 ft. .SUN NIGHT...W winds 5 to 15 kt. Seas 5 to 8 ft. .MON...W winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...W winds 20 to 30 kt. Seas 5 to 9 ft. .TUE...W winds 20 to 30 kt. Seas 6 to 11 ft. .TUE NIGHT...W to NW winds 25 to 35 kt. Seas 10 to 15 ft.