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FZNT33 KWBC 120832
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
432 AM EDT Mon May 12 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 building SE
across the waters this morning, will shift off to the SE of the
region this afternoon into tonight. A cold front will move S over
the waters later tonight into Tue. Another high will build SE
across the waters Tue afternoon into Tue night, then gradually
shift SE of the area later Tue night into Wed night. A broad low
pressure area will develop SW of the area Tue into Wed over the
Mid-Atlantic states, with an associated warm front lifting N and
approaching the southern portions Thu. Both the low and warm
front will lift NE across the waters Thu night into Fri while
weakening. A low pressure trough will move E to near the coast
Fri night.

Gulf of Maine to the Hague Line

.TODAY...N to NW winds 5 to 15 kt, becoming W to SW, then,
becoming SW 10 to 20 kt. Seas 3 to 5 ft.
.TONIGHT...W to SW winds 15 to 25 kt, becoming N to NW 5 to
15 kt. Seas 3 to 5 ft.
.TUE...E to NE winds 5 to 10 kt, becoming E to SE. Seas 3 to
4 ft.
.TUE NIGHT...S to SE winds 5 to 10 kt. Seas 3 ft, becoming 2 ft
or less.
.WED...S to SE winds 5 to 10 kt. Seas 2 ft or less, becoming
3 ft.
.WED NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft.
.THU...S to SE winds 5 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...S to SW winds 5 to 15 kt, becoming variable. Seas
3 to 5 ft.
.FRI...E winds less than 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...E winds 5 to 10 kt, becoming SE 5 to 15 kt. 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

.TODAY...N winds 5 to 15 kt, becoming variable, then, becoming
SW 10 to 20 kt. Seas 3 to 5 ft.
.TONIGHT...SW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas
3 to 5 ft.
.TUE...E to NE winds less than 10 kt. Seas 3 to 4 ft.
.TUE NIGHT...E to SE winds 5 to 10 kt, becoming SE 10 to 15 kt.
Seas 3 to 4 ft. Chance of showers with vsby 1 nm or less.
.WED...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...S to SE winds 10 to 20 kt. Seas becoming 4 to 7 ft.
.THU...S to SE winds 10 to 20 kt. Seas 4 to 7 ft.
.THU NIGHT...S winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas
3 to 6 ft.
.FRI...Variable winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...Variable winds less than 10 kt, becoming S to SE.
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

.TODAY...E winds 5 to 15 kt, becoming E to SE 5 to 10 kt, then,
becoming S to SW 10 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.TUE...E to SE winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 4 ft. Chance of showers with vsby 1 nm or less.
.TUE NIGHT...SE winds 10 to 15 kt, becoming E to SE 10 to 20 kt.
Seas building to 4 to 7 ft. Chance of showers with vsby 1 nm or
less.
.WED and WED NIGHT...SE winds 15 to 25 kt. Seas 5 to 9 ft.
.THU...S winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to
7 ft.
.THU NIGHT...S winds 5 to 10 kt, becoming SW. Seas 3 to 6 ft.
.FRI...Variable winds less than 10 kt, becoming S to SW. Seas
3 to 5 ft.
.FRI NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft.

.Forecaster Mills. Ocean Prediction Center.