High Frequency Voice Broadcast (New England)

FZNT33 KWBC 232025
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
425 PM EDT Wed Jul 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...High pressure will persist
across the area this evening, then shift E and SE of the waters
later tonight into Thu. A weak cold front will move to the coast
Thu night into Fri, then move SE across the waters Fri night
before passing S of the area Sat. Another high will build SE over
the waters Sat into Sat night, then pass E of the region Sun. Low
pressure will move SE over the area Sun night while pulling a
cold front over the waters, then pass SE of the area Mon as yet
another high builds SE across the region. The high will then pass
E of the area Mon night. 

Gulf of Maine to the Hague Line

.TONIGHT...S to SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas
3 to 5 ft. 
.THU...SW winds 10 to 20 kt, becoming S 15 to 25 kt. Seas 3 to
6 ft. 
.THU NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. 
.FRI...SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.FRI NIGHT...W to SW winds 10 to 20 kt, becoming N 10 to 15 kt.
Seas 3 to 6 ft. 
.SAT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. 
.SUN...S to SE winds less than 5 kt, becoming S 5 to 15 kt. Seas
3 to 4 ft. 
.SUN NIGHT...S winds 10 to 15 kt, becoming N to NE. Seas 3 to
4 ft. 
.MON...NE winds 5 to 10 kt, becoming S to SW. Seas 3 to 4 ft. 
.MON NIGHT...S winds less than 10 kt, becoming SW. 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

.TONIGHT...Variable winds 5 to 15 kt, becoming S to SW. Seas
3 to 4 ft. 
.THU...S to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
3 to 5 ft. 
.THU NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI...SW winds 15 to 25 kt. Seas 3 to 6 ft. Areas of fog with
vsby 1 nm or less. 
.FRI NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.SAT...N to NE winds 10 to 15 kt. Seas 3 to 6 ft. 
.SAT NIGHT...NE winds 5 to 15 kt, diminishing to less than
10 kt. Seas 3 to 5 ft. 
.SUN...E winds 5 to 10 kt, becoming S to SE. Seas 3 to 4 ft. 
.SUN NIGHT...S winds 5 to 15 kt, diminishing to less than 10 kt.
Seas 3 to 4 ft. 
.MON...N to NE winds less than 10 kt. Seas 3 to 4 ft. 
.MON NIGHT...NE winds less than 10 kt, becoming variable. 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

.TONIGHT...S to SE winds 5 to 10 kt, becoming 5 to 15 kt, then,
becoming S to SW. Seas 3 to 4 ft. 
.THU...SW winds less than 10 kt, becoming S to SW 10 to 20 kt.
Seas 3 to 4 ft. 
.THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.FRI NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.SAT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E to NE winds 10 to 15 kt, becoming E to SE 5 to
10 kt. Seas 3 to 4 ft. 
.SUN...E to SE winds 5 to 10 kt, becoming S to SE. Seas 3 to
4 ft. 
.SUN NIGHT...S winds 5 to 15 kt, becoming N to NW. Seas 3 to
4 ft. 
.MON...N to NE winds 5 to 15 kt, becoming N 5 to 10 kt. Seas
3 to 4 ft. 
.MON NIGHT...N to NE winds less than 10 kt, becoming W to NW.
Seas 3 to 4 ft. 

.Forecaster Kells. Ocean Prediction Center.