


Offshore Forecast
Issued by NWS
Issued by NWS
464 FZNT33 KWBC 060241 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1041 PM EDT Thu Jun 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...Weak low pressure will move E across the Gulf of Maine tonight and Fri. A weak cold front will approach the waters from the N Fri, then stall and weaken along the coast late Fri into Fri night as a low pressure system approaches from the S. The low will move NE across the waters late Sat into Sat night. High pressure will build over the region Sun, then shift E of the area Sun night. A warm front will lift N over the area Sun night and Mon as the associated low center tracks E over the far S waters. The low will move E of the region Mon night while another warm front approaches the area from the S. The warm front will lift N over the waters Tue as the associated low center tracks NE along the New England coast. The front will move N of the region Tue night as a cold front moves offshore. Please see https://www.weather.gov/media/notification/pdf_2025/ pns25-33_vobra_discontinuation_2025.pdf (all lower case) for a proposal to discontinue this product. Gulf of Maine to the Hague Line .TONIGHT...S to SW winds 5 to 15 kt, becoming variable. Seas 3 to 4 ft. Slight chance of showers and tstms. .FRI...NE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. Chance of showers and slight chance of tstms with vsby 1 nm or less. .FRI NIGHT...S to SW winds less than 10 kt, becoming SW. Seas 3 to 4 ft. Areas of fog, showers and tstms with vsby 1 nm or less. .SAT...S to SW winds 10 to 15 kt, becoming S. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less. .SAT NIGHT...W to NW winds less than 10 kt, becoming N to NW. Seas 4 to 7 ft. .SUN...N winds 5 to 10 kt, becoming variable. Seas 4 to 6 ft. .SUN NIGHT...S to SE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt, increasing to 15 to 25 kt. Seas 3 to 6 ft. .MON NIGHT...E winds 10 to 20 kt, diminishing to less than 10 kt. Seas 4 to 6 ft. .TUE...E to SE winds 5 to 10 kt, becoming S to SE. Seas 4 to 6 ft. .TUE NIGHT...S winds 5 to 15 kt, becoming SW 10 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 .TONIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less. .FRI...SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and areas of fog with vsby 1 nm or less. .FRI NIGHT...SW winds 5 to 15 kt, becoming S to SE 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and areas of fog with vsby 1 nm or less. .SAT...S to SE winds 15 to 25 kt. Seas 6 to 10 ft. Areas of fog and chance of rain with vsby 1 nm or less. .SAT NIGHT...W winds 5 to 15 kt. Seas 6 to 10 ft. .SUN...N to NE winds less than 10 kt, becoming E to NE. Seas 4 to 6 ft. .SUN NIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft. .MON...E winds 15 to 25 kt. Seas 3 to 6 ft. .MON NIGHT...Variable winds 5 to 15 kt, becoming W 5 to 10 kt. Seas 4 to 7 ft. .TUE...Variable winds less than 10 kt, becoming S to SE. Seas 4 to 6 ft. .TUE NIGHT...S to SW winds 10 to 20 kt. Seas 4 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 .TONIGHT...W to SW winds 10 to 15 kt. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less. .FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. Areas of fog and slight chance of showers with vsby 1 nm or less. .FRI NIGHT...S winds 10 to 15 kt, becoming S to SE 10 to 20 kt. Seas 3 to 6 ft. Chance of rain with vsby 1 nm or less. .SAT...E to SE winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 5 to 9 ft. Areas of fog with vsby 1 nm or less. .SAT NIGHT...W winds less than 10 kt. Seas 4 to 7 ft. .SUN...NE winds less than 10 kt, becoming E. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 4 ft. .MON...E to NE winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...Variable winds 5 to 15 kt, becoming E to SE. Seas 3 to 6 ft. .TUE...E to SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 8 ft. .Forecaster Kells. Ocean Prediction Center.