Offshore Forecast
Issued by NWS
Issued by NWS
578 FZNT33 KWBC 182031 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 431 PM EDT Wed Sep 18 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. .SYNOPSIS FOR NEW ENGLAND WATERS...A high pressure ridge will persist across the waters early tonight. A warm front will lift N over the area tonight, then stall across the waters later Thu into Fri as a series of lows develop along the front. The front will then move back S of the area Fri night into Sat night while a high pressure ridge builds S across the region. The ridge will remain across the area Sun through Mon night. Gulf of Maine to the Hague Line .TONIGHT...S to SW winds 5 to 10 kt, becoming E to SE, then, becoming E 5 to 15 kt. Seas 3 to 4 ft. .THU...E to NE winds 15 to 25 kt. Seas 5 to 8 ft. Scattered showers and chance of tstms. .THU NIGHT...NE winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers and chance of tstms. .FRI...NE winds 20 to 30 kt. Seas 9 to 15 ft. Chance of rain. .FRI NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 ft. .SAT...NE winds 20 to 30 kt. Seas 8 to 13 ft. .SAT NIGHT...NE winds 20 to 30 kt. Seas 7 to 13 ft. .SUN...NE winds 15 to 25 kt. Seas 7 to 12 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 7 to 11 ft. .MON...NE winds 15 to 25 kt. Seas 7 to 11 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 10 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TONIGHT...E winds 5 to 15 kt, becoming E to SE 10 to 20 kt. Seas 5 to 8 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .THU...E to SE winds 15 to 25 kt. Seas 6 to 10 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .THU NIGHT...NE winds 20 to 30 kt. Seas 8 to 13 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .FRI...NE winds 20 to 30 kt. Seas 9 to 15 ft. Chance of rain. .FRI NIGHT...NE winds 20 to 30 kt. Seas 9 to 16 ft. .SAT...NE winds 20 to 30 kt. Seas 8 to 14 ft. .SAT NIGHT...NE winds 20 to 30 kt. Seas 9 to 14 ft. .SUN...NE winds 20 to 30 kt. Seas 10 to 16 ft. .SUN NIGHT...NE winds 20 to 30 kt. Seas 10 to 16 ft. .MON...NE winds 20 to 30 kt. Seas 9 to 16 ft. .MON NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 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 WARNING... .TONIGHT...E to NE winds 15 to 25 kt, becoming N to NE. Seas 5 to 9 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .THU...N winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers and chance of tstms. .THU NIGHT...N to NE winds 20 to 30 kt. Seas 8 to 13 ft. Scattered showers and chance of tstms. .FRI...NE winds 25 to 35 kt. Seas 9 to 15 ft. Chance of rain. .FRI NIGHT...N to NE winds 25 to 35 kt, becoming NE 20 to 30 kt. Seas 9 to 15 ft. .SAT...N to NE winds 20 to 30 kt. Seas 8 to 14 ft. .SAT NIGHT...NE winds 20 to 30 kt. Seas 8 to 13 ft. .SUN...NE winds 20 to 30 kt. Seas 9 to 15 ft. .SUN NIGHT...NE winds 20 to 30 kt. Seas 9 to 16 ft. .MON...NE winds 20 to 30 kt. Seas 9 to 16 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 9 to 15 ft. .Forecaster Joseph. Ocean Prediction Center.