Offshore Forecast
Issued by NWS
Issued by NWS
538 FZNT33 KWBC 201433 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1033 AM EDT Thu Jun 20 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...High pressure centered SE of the waters this morning will continue drifting S away from the area today and tonight. A cold front will move S over the area tonight into Fri, then weaken and stall near 40N Fri night. The front will then return slowly N as a warm front Sat night and Sun, lifting N of the waters Sun night. The next cold front will gradually approach from the NW later Sun night into Mon, then stall across the far N waters Mon night while weakening. Gulf of Maine to the Hague Line .TODAY...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...W to SW winds 10 to 20 kt, becoming N to NW 5 to 10 kt. Seas 3 to 5 ft. Chance of showers and slight chance of tstms with vsby 1 nm or less. .FRI...N to NE winds less than 10 kt, becoming E to NE. Seas 3 to 4 ft. Slight chance of showers with vsby 1 nm or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 ft, becoming 2 ft or less. Chance of showers with vsby 1 nm or less. .SAT...E winds less than 10 kt, becoming SE. Seas 2 ft or less. .SAT NIGHT...S to SE winds 5 to 10 kt, becoming S 5 to 15 kt. Seas 3 to 4 ft. .SUN...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft. .MON...SW winds 15 to 25 kt. Seas 6 to 10 ft. .MON NIGHT...SW winds 15 to 25 kt, becoming W 10 to 15 kt. Seas 5 to 9 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 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...W to SW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas 3 to 5 ft. .FRI...W winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 4 ft. Slight chance of showers with vsby 1 nm or less. .FRI NIGHT...W winds less than 10 kt, becoming variable. Seas 3 to 4 ft. Chance of showers with vsby 1 nm or less. .SAT...Variable winds less than 10 kt, becoming S to SW. Seas 3 to 4 ft. .SAT NIGHT...S winds 5 to 15 kt, becoming SW 10 to 15 kt. Seas 3 to 4 ft. .SUN...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. .SUN NIGHT...SW winds 20 to 25 kt. Seas 5 to 9 ft. .MON...SW winds 20 to 30 kt. Seas 6 to 11 ft. .MON NIGHT...SW winds 20 to 30 kt, becoming W to SW 10 to 20 kt. Seas 6 to 11 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 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 4 ft. Slight chance of showers. .FRI NIGHT...SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 4 ft. Chance of showers. .SAT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...SW winds 20 to 30 kt. Seas 6 to 11 ft. .MON...SW winds 20 to 30 kt. Seas 6 to 11 ft. .MON NIGHT...SW winds 15 to 25 kt, becoming W 5 to 15 kt. Seas 6 to 11 ft. .Forecaster Holley. Ocean Prediction Center.