High Frequency Voice Broadcast (New England)

FZNT33 KWBC 230841
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
441 AM EDT Fri May 23 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...Strong low pressure centered
just E of Cape Cod early this morning will move NE over the Gulf
of Maine today before gradually weakening and drifting E over New
Brunswick tonight into Sat night. The low will then move slowly E
over Nova Scotia Sun before moving over the N Atlantic Sun night
into Mon. A series of low pressure troughs will move E and SE
across the waters tonight through Sun night. High pressure will
build E across the area Mon and Mon night, and then persist Tue
into Tue night. 

Please see
https://www.weather.gov/media/notification/pdf_2025/
pns25-33_vobra_discontinuation_2025.pdf (all lower case)
for a proposal to discontinue this product.

Gulf of Maine to the Hague Line

...GALE WARNING...

.TODAY...E winds 25 to 35 kt, becoming W to SW 30 to 40 kt,
then, becoming W 20 to 30 kt. Seas 10 to 19 ft. Showers. Areas of
fog. Vsby 1 NM or less. 
.TONIGHT...W to SW winds diminishing to 10 to 20 kt. Seas
subsiding to 5 to 9 ft. Chance of showers. 
.SAT...W to SW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas
subsiding to 3 to 6 ft. Chance of showers. 
.SAT NIGHT...W to NW winds 5 to 15 kt, becoming NW 10 to 20 kt.
Seas 3 to 6 ft. 
.SUN...NW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas
3 to 5 ft. 
.SUN NIGHT...W to NW winds 5 to 15 kt, becoming NW 5 to 10 kt.
Seas 3 to 4 ft. 
.MON...N to NW winds 5 to 10 kt. Seas 3 ft, becoming 2 ft or
less. 
.MON NIGHT...W winds 5 to 15 kt. Seas 2 ft or less. 
.TUE...W to NW winds 5 to 15 kt, becoming W to SW 5 to 10 kt.
Seas 2 ft or less. 
.TUE NIGHT...SW winds 5 to 15 kt, becoming W. Seas 2 ft or less,
becoming 3 ft. 

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

...GALE WARNING...

.TODAY...W to SW winds 30 to 40 kt, diminishing to 15 to 25 kt.
Seas 9 to 17 ft. Chance of showers with vsby 1 nm or less. 
.TONIGHT...W to SW winds 15 to 25 kt. Seas subsiding to 5 to 9 
ft. Chance of showers. 
.SAT...W winds 15 to 25 kt. Seas 5 to 9 ft. Slight chance of
showers. 
.SAT NIGHT...W winds 15 to 25 kt. Seas 4 to 8 ft. 
.SUN...W winds 15 to 25 kt. Seas 4 to 7 ft. 
.SUN NIGHT...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. 
.MON...N winds 5 to 10 kt, becoming N to NW 5 to 15 kt. Seas
3 to 4 ft. 
.MON NIGHT...N to NW winds 5 to 15 kt, increasing to 10 to
20 kt. Seas 3 to 4 ft. 
.TUE...W winds 5 to 15 kt. Seas 3 to 4 ft. 
.TUE NIGHT...W winds 5 to 15 kt, becoming 5 to 10 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

.TODAY...W winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas
8 to 14 ft, subsiding to 5 to 9 ft. Chance of showers. 
.TONIGHT...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. Chance of
showers. 
.SAT...W winds 20 to 30 kt. Seas 5 to 9 ft. 
.SAT NIGHT...W winds 15 to 25 kt, becoming NW. Seas 4 to 8 ft. 
.SUN...W winds 15 to 25 kt, becoming 10 to 20 kt. Seas 3 to 6 
ft.
.SUN NIGHT...W winds 10 to 20 kt, becoming N to NW 5 to 15 kt.
Seas 3 to 5 ft. 
.MON...N winds 5 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...W to NW winds 5 to 15 kt. Seas 2 ft or less,
becoming 2 to 3 ft. 
.TUE...W winds less than 10 kt, increasing to 5 to 15 kt. Seas
2 ft or less. 
.TUE NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 2 ft or less, becoming 2 to 3 ft. 

.Forecaster Mills. Ocean Prediction Center.