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Offshore Forecast
Issued by NWS
Issued by NWS
901 FZNT33 KWBC 301438 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1038 AM EDT Sun Jun 30 2024 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. The National Weather Service is accepting public comments until July 29 2024 on a proposal to replace feet with meters when describing seas in a variety of National Marine Center text and graphical products for the Offshore and High Seas Areas only. To learn more please visit the following URL: https://ocean.weather.gov/proposed-meters.php .SYNOPSIS FOR NEW ENGLAND WATERS...A warm front across the E portions will lift NE of the waters by this afternoon. A cold front will approach the waters from the NW late today and move across the waters tonight and Mon. It will then become stationary well S and E of the waters Mon night and Tue. Low pressure will develop along the front early Mon, then move NE along the front Mon into Mon night. High pressure will build SE across the waters Tue through Wed, then shift SE of the waters Wed night through Thu night as a weak cold front or low pressure trough approaches the coast and moves offshore. Gulf of Maine to the Hague Line .TODAY...SW winds 20 to 25 kt. Seas 5 to 7 ft. Tstms, showers and fog with vsby 1 nm or less. .TONIGHT...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers and tstms with vsby 1 nm or less. .MON...N winds 5 to 15 kt. Seas 3 to 6 ft. .MON NIGHT...N winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 5 ft. .TUE...N winds 5 to 15 kt, becoming variable. Seas 3 to 6 ft. .TUE NIGHT...W to SW winds less than 10 kt, becoming W to NW. Seas 3 to 4 ft. .WED...Variable winds less than 10 kt, becoming S. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SW winds 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas 3 to 5 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TODAY...SW winds 15 to 25 kt. Seas 5 to 7 ft. Scattered showers, tstms and areas of fog with vsby 1 nm or less. .TONIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers and tstms with vsby 1 nm or less. .MON...SW winds 15 to 25 kt, becoming N to NW 5 to 15 kt. Seas 4 to 8 ft. Scattered showers and isolated tstms with vsby 1 nm or less. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .TUE...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 7 ft. .TUE NIGHT...N winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 5 ft. .WED...Variable winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .THU...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 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 .TODAY...SW winds 15 to 25 kt. Seas 5 to 7 ft. Scattered showers and tstms with vsby 1 nm or less. .TONIGHT...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. Numerous showers and tstms with vsby 1 nm or less. .MON...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...N winds 5 to 15 kt. Seas 4 to 7 ft. .TUE...N winds 5 to 15 kt, becoming NE. Seas 3 to 5 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .WED...Variable winds less than 5 kt, becoming S to SW 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .THU...SW winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .Forecaster Bancroft. Ocean Prediction Center.