397
FZNT33 KWBC 200858
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
458 AM EDT Sun Apr 20 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...A cold front will move SE over
the waters early today, then pass SE of the area by this
afternoon. High pressure will build SE over the waters tonight
and Mon, then pass SE of the region Mon night. Low pressure will
move E across the Gulf of Maine Tue while pulling a cold front
across the waters. A series of low pressure troughs will cross
the area Tue night into Wed. High pressure will build SE over the
waters Wed night and Thu, then shift E of the region Thu night.

Gulf of Maine to the Hague Line

...GALE WARNING...

.TODAY...W winds 20 to 25 kt, becoming NW 25 to 35 kt, then,
becoming W to NW 20 to 30 kt. Seas 7 to 12 ft.
.TONIGHT...N to NW winds 20 to 30 kt. Seas 6 to 10 ft.
.MON...NW winds 10 to 20 kt, becoming S to SW 5 to 15 kt. Seas
3 to 6 ft.
.MON NIGHT...S to SW winds 5 to 15 kt, becoming S 10 to 20 kt.
Seas 3 to 4 ft. Chance of rain.
.TUE...S winds 15 to 25 kt. Seas 3 to 6 ft.
.TUE NIGHT...W to SW winds 5 to 15 kt, becoming N to NW. Seas
3 to 6 ft.
.WED...W to NW winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...N to NW winds less than 10 kt. Seas 3 to 4 ft.
.THU...N winds less than 5 kt, becoming variable. Seas 3 to
4 ft.
.THU NIGHT...S to SW winds less than 10 kt, becoming W to SW.
Seas 3 to 4 ft.

Georges Bank...from the Northeast Channel to the Great South
Channel including waters east of Cape Cod...to the Hague Line

.TODAY...W to NW winds 20 to 30 kt. Seas 7 to 12 ft. Areas of
fog with vsby 1 nm or less early.
.TONIGHT...NW winds 20 to 30 kt, becoming N 15 to 25 kt. Seas
6 to 11 ft.
.MON...N to NW winds 5 to 15 kt, becoming W to NW. Seas 4 to
7 ft.
.MON NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of
rain.
.TUE...S to SW winds 15 to 25 kt. Seas 3 to 6 ft.
.TUE NIGHT...SW winds 10 to 20 kt, becoming W to NW. Seas 3 to
6 ft.
.WED...N to NW winds less than 10 kt. Seas 3 to 5 ft.
.WED NIGHT...N winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 4 ft.
.THU...N winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft.
.THU NIGHT...Variable winds less than 10 kt. Seas 3 to 4 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...W winds 15 to 20 kt, becoming NW 15 to 25 kt, then,
becoming W to NW 5 to 15 kt. Seas 6 to 10 ft.
.TONIGHT...NW winds 5 to 15 kt, becoming N to NE. Seas 3 to
6 ft.
.MON...E to NE winds 5 to 10 kt, becoming S to SE. Seas 3 to
5 ft.
.MON NIGHT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
3 to 4 ft. Chance of rain.
.TUE...S to SW winds 10 to 20 kt. Seas 3 to 6 ft.
.TUE NIGHT...SW winds 10 to 20 kt, becoming W to NW 5 to 15 kt.
Seas 3 to 6 ft.
.WED...N to NW winds less than 10 kt. Seas 3 to 4 ft.
.WED NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.
.THU...Variable winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft.

.Forecaster Bancroft. Ocean Prediction Center.