Offshore Forecast
Issued by NWS
Issued by NWS
183 FZNT33 KWBC 052036 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 336 PM EST Wed Feb 5 2025 New England continental shelf and slope waters from 25 nm offshore to the Hague Line, except to 1000 fm south of New England. Conditions given represent the highest within that period. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Locally higher winds and seas can be expected in and near tstms. .SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will build E over the region tonight, then shift E of the area Thu as a warm front approaches from the SW. The warm front will lift NE over the area Thu night. Low pressure tracking E and NE across eastern Canada will pull a strong cold front across the waters late Thu night and Fri. High pressure will build E to the coast Fri night, settle offshore Sat, then shift E Sat night. Another low pressure will move E to the New England coast late Sat night, intensify E across the waters Sun, then clear well NE of the area into the N Atlantic Sun night. Another high pressure will build E across the waters Sun night through Mon night. Gulf of Maine to the Hague Line ...GALE WARNING... .TONIGHT...NW winds 10 to 20 kt, diminishing to 5 to 15 kt early, then, becoming SW 5 to 10 kt. Seas 4 to 7 ft. Light freezing spray. .THU...S winds 10 to 20 kt, becoming S to SE 20 to 30 kt. Seas 3 ft, building to 4 to 7 ft. Scattered showers and snow showers with vsby 1 nm or less. .THU NIGHT...SE winds 15 to 25 kt, becoming W 20 to 30 kt. Seas 4 to 8 ft. Scattered showers. .FRI...W winds 30 to 40 kt. Seas 9 to 15 ft. .FRI NIGHT...W to NW winds 20 to 30 kt. Seas 7 to 13 ft. .SAT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .SAT NIGHT...W to NW winds 5 to 15 kt, becoming SE. Seas 3 to 6 ft. .SUN...E to SE winds 25 to 35 kt, becoming N to NE. Seas 7 to 12 ft. .SUN NIGHT...N winds 20 to 30 kt, becoming NW 15 to 25 kt. Seas 7 to 12 ft. .MON...NW winds 10 to 20 kt, becoming W to NW 10 to 15 kt. Seas 6 to 10 ft. .MON NIGHT...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line ...GALE WARNING... .TONIGHT...NW winds 10 to 20 kt, diminishing to 5 to 15 kt early, then, becoming variable. Seas 4 to 7 ft. Light freezing spray. .THU...S to SE winds 20 to 30 kt. Seas 3 to 4 ft, building to 5 to 8 ft. Scattered showers with vsby 1 nm or less. .THU NIGHT...S to SW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 6 to 10 ft. Areas of fog with vsby 1 nm or less. .FRI...W winds 25 to 35 kt. Seas 9 to 15 ft. .FRI NIGHT...NW winds 20 to 30 kt. Seas 8 to 14 ft. .SAT...NW winds 15 to 25 kt. Seas 6 to 10 ft. .SAT NIGHT...NW winds 5 to 15 kt, becoming SE 15 to 25 kt. Seas 4 to 7 ft. .SUN...SW winds 30 to 40 kt, becoming W to NW 25 to 35 kt. Seas 10 to 16 ft. .SUN NIGHT...NW winds 20 to 30 kt. Seas 8 to 14 ft. .MON...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 7 to 12 ft. .MON NIGHT...W to NW winds 10 to 15 kt. Seas 5 to 8 ft. South of New England...from the Great South Channel to Hudson Canyon including the waters south of Marthas Vineyard and Nantucket Island...out to 1000 fm ...GALE FORCE WINDS POSSIBLE SUN... .TONIGHT...NW winds 5 to 15 kt, becoming N early, then, becoming E to SE. Seas 3 to 6 ft. .THU...S to SE winds 20 to 30 kt. Seas 4 to 7 ft. Rain and scattered snow showers with vsby 1 nm or less. .THU NIGHT...W to SW winds 15 to 25 kt. Seas 6 to 10 ft. .FRI...W to NW winds 20 to 30 kt. Seas 6 to 11 ft. .FRI NIGHT...NW winds 20 to 30 kt. Seas 7 to 12 ft. .SAT...NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 7 ft. .SAT NIGHT...SE winds 5 to 15 kt, increasing to 20 to 30 kt. Seas 4 to 7 ft. .SUN...W to NW winds 25 to 35 kt. Seas 10 to 16 ft. .SUN NIGHT...N to NW winds 20 to 30 kt. Seas 7 to 13 ft. .MON...N to NW winds 10 to 20 kt, becoming NW 5 to 15 kt. Seas 6 to 10 ft. .MON NIGHT...N to NW winds 5 to 15 kt, becoming NE 5 to 10 kt. Seas 3 to 6 ft. .Forecaster Collins. Ocean Prediction Center.