Offshore Forecast
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514
FZNT33 KWBC 101442
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1042 AM EDT Fri Oct 10 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 continue to
build over the area today through tonight. The high will
gradually shift NE Sat through Sun as a coastal low moves N just
offshore of the SE U.S. The low will strengthen and expand as it
moves N, being centered just offshore of the Virginia Capes by
Sun night. This broad, complex low will move very slowly E from
the Virginia Capes across the outer Mid-Atlantic Waters Sun night
through Tue night. Mariners should monitor later forecasts on the
coastal system. This will be a long duration event for the east
coast, impactful to the mariner.

Gulf of Maine to the Hague Line

...GALE FORCE WINDS POSSIBLE SUN NIGHT...

.TODAY...W to NW winds less than 10 kt, becoming SW. Seas 3 to
4 ft.
.TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...W to SW winds 10 to 20 kt, becoming S to SW 5 to 15 kt.
Seas 3 to 5 ft.
.SAT NIGHT...S to SE winds 5 to 10 kt, becoming E 5 to 15 kt.
Seas 3 to 4 ft.
.SUN...E winds 15 to 25 kt. Seas 6 to 10 ft.
.SUN NIGHT...E winds 20 to 30 kt, increasing to 25 to 35 kt.
Seas 10 to 17 ft.
.MON...E winds 30 to 40 kt. Seas 11 to 19 ft.
.MON NIGHT...E winds 20 to 30 kt. Seas 11 to 18 ft.
.TUE...E to NE winds 20 to 30 kt. Seas 8 to 14 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 11 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 SUN...

.TODAY...N to NE winds less than 10 kt, becoming variable. Seas
3 to 5 ft.
.TONIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT...E winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
5 ft.
.SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN...E winds 25 to 35 kt. Seas 11 to 19 ft.
.SUN NIGHT...E winds 35 to 45 kt. Seas 12 to 21 ft.
.MON...E winds 30 to 40 kt. Seas 16 to 22 ft.
.MON NIGHT...E winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 13 to 19 ft.
.TUE...E winds 20 to 30 kt. Seas 11 to 15 ft.
.TUE NIGHT...NE winds 10 to 20 kt. Seas 9 to 13 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

...STORM FORCE WINDS POSSIBLE SUN...

.TODAY...E to SE winds 5 to 10 kt. Seas 3 to 4 ft.
.TONIGHT...SE winds 5 to 10 kt, becoming E to SE 5 to 15 kt.
Seas 3 to 4 ft.
.SAT...E winds 10 to 20 kt. Seas 4 to 7 ft.
.SAT NIGHT...E winds 20 to 30 kt. Seas 7 to 12 ft. Numerous
showers.
.SUN...E winds 35 to 50 kt. Seas 15 to 25 ft.
.SUN NIGHT...E to NE winds 35 to 50 kt, becoming E 35 to 45 kt.
Seas 15 to 25 ft.
.MON...E to NE winds 30 to 40 kt. Seas 15 to 22 ft.
.MON NIGHT...E to NE winds 25 to 35 kt, diminishing to 20 to
30 kt. Seas 13 to 18 ft.
.TUE...N to NE winds 20 to 30 kt. Seas 10 to 15 ft.
.TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 12 ft.

.Forecaster Collins. Ocean Prediction Center.