580
FZNT33 KWBC 181428
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
928 AM EST Tue Nov 18 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 series of low pressure
troughs will move SE over the area today and tonight. High
pressure will build over the waters Wed, then shift N and E of
the region Wed night through Thu night while maintaining a ridge
across the waters into Fri night. Low pressure will pass just S
and SE of the area Thu and Thu night, then track NE to the E of
the waters Fri into Fri night while weakening. A cold front will
move SE across the waters Fri night into Sat. Another high will
build SE over the area Sat and Sat night.

Gulf of Maine to the Hague Line

.TODAY...W winds 20 to 30 kt. Seas 6 to 11 ft.
.TONIGHT...W to NW winds 15 to 25 kt, becoming W 10 to 15 kt.
Seas 5 to 9 ft.
.WED...W winds 5 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...NW winds 5 to 10 kt, becoming N to NE. Seas 3 ft
early, becoming 2 ft or less.
.THU...E to NE winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...E winds 5 to 10 kt, becoming N to NE. Seas 2 ft or
less, becoming 3 ft.
.FRI...W to SW winds 5 to 15 kt, becoming S to SW 10 to 20 kt.
Seas 3 to 4 ft.
.FRI NIGHT...SW winds 15 to 20 kt, becoming W. Seas 3 to 6 ft.
.SAT...NW winds 15 to 20 kt. Seas 4 to 7 ft.
.SAT NIGHT...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas
3 to 6 ft.

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

.TODAY...W winds 20 to 30 kt. Seas 7 to 12 ft.
.TONIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
6 to 10 ft.
.WED...W to NW winds 5 to 15 kt. Seas 3 to 6 ft. Chance of
showers.
.WED NIGHT...N to NE winds 5 to 15 kt, becoming NE 10 to 20 kt.
Seas 3 to 4 ft.
.THU...NE winds 10 to 20 kt. Seas 3 to 4 ft.
.THU NIGHT...N to NE winds 5 to 15 kt, becoming N to NW. Seas
3 to 5 ft.
.FRI...W to NW winds 5 to 15 kt, becoming SW. Seas 3 to 5 ft.
.FRI NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 6 ft.
.SAT...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 4 to
7 ft.
.SAT NIGHT...N to NW winds 10 to 15 kt. Seas 4 to 7 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 25 kt. Seas 6 to 10 ft.
.TONIGHT...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
4 to 8 ft. Chance of showers.
.WED...W winds less than 10 kt, becoming NE. Seas 3 to 5 ft.
Rain likely.
.WED NIGHT...NE winds 5 to 15 kt, increasing to 10 to 20 kt.
Seas 3 to 4 ft.
.THU...NE winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas
3 to 4 ft.
.THU NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.
.FRI...S winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas
3 to 4 ft.
.FRI NIGHT...SW winds 10 to 20 kt, becoming W. Seas 3 to 6 ft.
.SAT...N to NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas
3 to 6 ft.
.SAT NIGHT...N winds 5 to 15 kt. Seas 3 to 6 ft.

.Forecaster Kells. Ocean Prediction Center.