Offshore Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
136
FZNT33 KWBC 272049
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
349 PM EST Thu Nov 27 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 secondary cold front will
move E across the waters tonight, followed by a series of surface
troughs moving SE across the waters Fri through Sat. High
pressure will move E across the southern waters late Sat and Sat
night before shifting E of the area Sun. A warm front will move N
into the area Sun, reaching the Gulf of Maine Sun night. Another
cold front will sweep E across the waters Sun night, then move E
of the area Mon. High pressure will build E across northern New
England Mon, then across the Gulf of Maine Mon night. Low
pressure will develop near the Outer Banks Tue, then strengthen
quickly while lifting NE across the waters late Tue and Tue
night.

Gulf of Maine to the Hague Line

...GALE WARNING...

.TONIGHT...W winds 20 to 25 kt. Seas 4 to 8 ft.
.FRI...W winds 25 to 30 kt, increasing to 30 to 35 kt. Seas 6 to
11 ft.
.FRI NIGHT...W winds 25 to 35 kt, becoming 25 to 30 kt. Seas
7 to 13 ft.
.SAT...W winds 25 to 30 kt, becoming NW 20 to 30 kt. Seas 7 to
12 ft.
.SAT NIGHT...NW winds 15 to 25 kt, becoming variable 5 to 15 kt.
Seas 5 to 9 ft.
.SUN...S winds 10 to 20 kt, increasing to 20 to 30 kt. Seas 3 to
4 ft, building to 5 to 8 ft.
.SUN NIGHT...S winds 25 to 35 kt, becoming W to SW 20 to 30 kt.
Seas 7 to 12 ft.
.MON...W winds 25 to 30 kt, becoming NW 20 to 30 kt. Seas 6 to
11 ft.
.MON NIGHT...NW winds 20 to 30 kt, becoming N 5 to 15 kt. Seas
5 to 9 ft.
.TUE...S winds 5 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...E to NE winds 10 to 20 kt, becoming N to NE 25 to
35 kt. Seas 3 to 5 ft, building to 6 to 10 ft.

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

...GALE WARNING...

.TONIGHT...W winds 20 to 25 kt. Seas 5 to 9 ft.
.FRI...W winds 25 to 30 kt, increasing to 30 to 35 kt. Seas 8 to
13 ft. Isolated showers.
.FRI NIGHT...W winds 30 to 35 kt. Seas 8 to 14 ft.
.SAT...W to NW winds 20 to 30 kt. Seas 8 to 14 ft.
.SAT NIGHT...NW winds 15 to 25 kt, becoming variable less than
10 kt. Seas 6 to 10 ft.
.SUN...S winds 15 to 25 kt. Seas 4 to 7 ft.
.SUN NIGHT...S winds 15 to 25 kt, becoming W to SW. Seas 5 to
9 ft.
.MON...W to NW winds 15 to 25 kt. Seas 6 to 10 ft.
.MON NIGHT...N winds 15 to 25 kt, becoming N to NE 5 to 15 kt.
Seas 5 to 9 ft.
.TUE...S to SE winds 5 to 10 kt, becoming E to SE 10 to 20 kt.
Seas 4 to 7 ft.
.TUE NIGHT...E winds 20 to 30 kt, becoming N to NE 35 to 45 kt.
Seas 5 to 9 ft, building to 9 to 15 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

...GALE WARNING...

.TONIGHT...W winds 20 to 30 kt. Seas 4 to 8 ft.
.FRI...W winds 25 to 30 kt, increasing to 30 to 35 kt. Seas 7 to
12 ft.
.FRI NIGHT...W winds 25 to 35 kt. Seas 8 to 13 ft.
.SAT...NW winds 20 to 30 kt. Seas 7 to 12 ft.
.SAT NIGHT...N to NW winds 5 to 15 kt, becoming S to SE. Seas
4 to 7 ft.
.SUN...S winds 15 to 25 kt. Seas 4 to 7 ft.
.SUN NIGHT...S to SW winds 15 to 25 kt, becoming W. Seas 5 to
9 ft.
.MON...NW winds 15 to 25 kt. Seas 4 to 8 ft.
.MON NIGHT...N winds 10 to 15 kt, becoming E to SE 5 to 10 kt.
Seas 3 to 6 ft.
.TUE...SE winds 5 to 15 kt, becoming E 10 to 20 kt. Seas 3 to
6 ft.
.TUE NIGHT...NE winds 25 to 35 kt, becoming N. Seas 6 to 10 ft,
building to 9 to 15 ft.

.Forecaster Connelly. Ocean Prediction Center.