570
FZNT33 KWBC 202035
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
335 PM EST Thu Nov 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...Behind low pressure moving E
of the SE waters, high pressure builds over the area tonight.
High pressure moves E Fri as a cold front approaches from the NW.
The cold front moves through most of the waters Fri night,
slowing over the SE waters late Fri night and Sat as low pressure
moves NE along the front. The low moves well out into the N
Atlantic Sat night, followed by high pressure building E and
continuing through Sun night. A weakening cold front may move
through the area late Sun night and Mon, with high pressure
building in again during Mon and continuing Mon night. High
pressure moves E Tue, then a warm front should move N across the
area Tue night.

Gulf of Maine to the Hague Line

.TONIGHT...N to NE winds less than 10 kt, becoming variable.
Seas 2 ft or less, becoming 3 to 4 ft.
.FRI...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
4 ft.
.FRI NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...NW winds 10 to 15 kt, becoming N to NW 15 to 20 kt. Seas
3 to 4 ft.
.SAT NIGHT...N to NW winds 15 to 25 kt. Seas 3 to 5 ft.
.SUN...NW winds 5 to 15 kt, becoming W. Seas 3 to 5 ft.
.SUN NIGHT...W winds 10 to 20 kt, becoming NW. Seas 3 to 5 ft.
.MON...NW winds 15 to 25 kt. Seas 4 to 7 ft.
.MON NIGHT...NW winds 15 to 25 kt, becoming N 10 to 20 kt. Seas
4 to 7 ft.
.TUE...N winds 5 to 15 kt, becoming NW. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 5 to 15 kt, becoming S. 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

...GALE FORCE WINDS POSSIBLE SAT NIGHT...

.TONIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft.
.FRI...N to NW winds less than 10 kt, becoming W to SW. Seas
3 to 4 ft.
.FRI NIGHT...SW winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 3 to 5 ft. Chance of rain.
.SAT...S to SW winds 5 to 15 kt, becoming N 20 to 30 kt. Seas
3 to 6 ft. Chance of rain, then periods of rain. Areas of fog
with vsby 1 nm or less.
.SAT NIGHT...N winds 25 to 35 kt, diminishing to 15 to 25 kt.
Seas 3 to 6 ft.
.SUN...N to NW winds 5 to 15 kt, becoming W. Seas 3 to 6 ft.
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 3 to 6 ft.
.MON...NW winds 20 to 30 kt. Seas 5 to 9 ft.
.MON NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft.
.TUE...N to NW winds 10 to 20 kt, becoming NW less than 10 kt.
Seas 4 to 7 ft.
.TUE NIGHT...Variable winds less than 10 kt, becoming S to SE
10 to 20 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

.TONIGHT...N to NE winds less than 10 kt, becoming variable.
Seas 3 to 4 ft.
.FRI...Variable winds less than 10 kt, becoming SW 10 to 20 kt.
Seas 3 to 4 ft.
.FRI NIGHT...SW winds 10 to 15 kt, becoming W to SW 5 to 10 kt.
Seas 3 to 4 ft. Chance of rain.
.SAT...N winds 5 to 15 kt, increasing to 15 to 20 kt. Seas 3 to
5 ft. Periods of rain. Areas of fog with vsby 1 nm or less.
.SAT NIGHT...N winds 15 to 25 kt. Seas 3 to 5 ft.
.SUN...W to NW winds diminishing to less than 10 kt, becoming W.
Seas 3 to 5 ft.
.SUN NIGHT...NW winds increasing to 10 to 20 kt. Seas 3 to 6 ft.
.MON...NW winds 15 to 25 kt. Seas 4 to 8 ft.
.MON NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft.
.TUE...N to NE winds diminishing to less than 10 kt, becoming SE
10 to 20 kt. Seas 3 to 5 ft.
.TUE NIGHT...S to SE winds 15 to 25 kt. Seas 4 to 7 ft.

.Forecaster Holley/Figurskey. Ocean Prediction Center.