461
FZNT33 KWBC 200827
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
427 AM EDT Sun Jul 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...High pressure will shift E of
the area this morning. A warm front will lift NE across the area
today. A cold front will approach the coast later today, then
pass across the waters tonight. High pressure will build SE
toward the area Mon into Tue, settle offshore Tue night through
Wed night, then shift E of the waters later Thu. A warm front
will lift across the area later Thu into Thu night while a cold
front approaches the coast from the W.

Gulf of Maine to the Hague Line

.TODAY...SW winds 10 to 15 kt, becoming S. Seas 3 to 4 ft.
Scattered showers and tstms with vsby 1 nm or less.
.TONIGHT...W to SW winds 5 to 15 kt, becoming N to NW 10 to
15 kt. Seas 3 to 4 ft. Scattered showers and tstms with vsby
1 nm or less.
.MON...N to NW winds 10 to 20 kt. Seas 3 to 5 ft.
.MON NIGHT...N to NW winds 10 to 20 kt, becoming 10 to 15 kt.
Seas 3 to 4 ft.
.TUE...N to NW winds 5 to 15 kt, becoming W to NW. Seas 3 to
4 ft.
.TUE NIGHT...W to SW winds 5 to 10 kt. Seas 3 ft, becoming 2 ft
or less.
.WED...W winds less than 10 kt, becoming S to SW. Seas 2 ft or
less.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.THU...SW winds 15 to 25 kt. Seas 3 to 5 ft.
.THU NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft.

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

.TODAY...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
3 to 4 ft. Scattered showers and tstms with vsby 1 nm or less.
.TONIGHT...SW winds 10 to 20 kt, becoming W 10 to 15 kt. Seas
3 to 5 ft. Scattered showers, tstms and areas of fog with vsby
1 nm or less.
.MON...N to NW winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 3 to 5 ft.
.MON NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 4 ft.
.TUE...N winds 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...Variable winds less than 10 kt, becoming W to NW.
Seas 3 to 4 ft.
.WED...Variable winds less than 10 kt, increasing to 5 to 15 kt.
Seas 2 ft or less.
.WED NIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft.
.THU...S winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas
3 to 5 ft.
.THU NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 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...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered
showers and tstms with vsby 1 nm or less.
.TONIGHT...W to SW winds 10 to 15 kt, becoming N to NW. Seas
3 to 4 ft. Scattered showers and tstms with vsby 1 nm or less.
.MON...N to NW winds 5 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...Variable winds 5 to 15 kt, becoming NE. Seas 3 to
4 ft.
.TUE...NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...E to SE winds less than 10 kt, becoming variable.
Seas 3 to 4 ft.
.WED...E to NE winds 5 to 10 kt, becoming E to SE 5 to 15 kt.
Seas 2 ft or less.
.WED NIGHT...S to SW winds 5 to 15 kt. Seas 2 ft or less,
becoming 3 ft.
.THU...S to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
3 to 4 ft.
.THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.

.Forecaster Collins. Ocean Prediction Center.