High Frequency Voice Broadcast (Mid Atlantic)

FZNT34 KWBC 272022
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
422 PM EDT Fri Jun 27 2025

West central North Atlantic continental shelf and slope waters
beyond 20 nm to 250 nm offshore, including south of Georges Bank
from 1000 fm to 250 nm offshore.

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 MID ATLC WATERS...A high pressure ridge over the S
waters will persist tonight into Wed night. A warm front will
lift N over the waters tonight into Sat. A cold front will
approach from the NW Sat night, then move offshore Sun. The front
will stall over the N waters Sun night, then lift back N as a
warm front Mon and Mon night. Another cold front will approach
from the NW Tue, move SE over the area Tue night, then stall over
the N portion Wed and Wed night. 

Hudson Canyon to Baltimore Canyon including the waters west of
39.3N 71.9W...SW to 37.7N 72.9W

.TONIGHT...E to SE winds 10 to 20 kt, becoming SE 10 to 15 kt.
Seas 4 to 7 ft. Chance of showers and tstms with vsby 1 nm or
less. 
.SAT...S winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 4 to
5 ft. Chance of showers, fog and tstms with vsby 1 nm or less. 
.SAT NIGHT...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas
4 to 5 ft. Chance of showers and slight chance of tstms with
vsby 1 nm or less. 
.SUN...W winds 5 to 15 kt, becoming W to SW 5 to 10 kt. Seas
3 to 5 ft. Scattered showers with vsby 1 nm or less. 
.SUN NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.MON...SW winds less than 10 kt, becoming S to SW. Seas 3 to
4 ft. 
.MON NIGHT...S winds 10 to 20 kt, becoming SW. Seas 3 to 6 ft. 
.TUE...SW winds 10 to 20 kt. Seas 4 to 7 ft. 
.TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. 
.WED...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 4 to
7 ft. 
.WED NIGHT...SW winds 5 to 15 kt, becoming W 5 to 10 kt. Seas
3 to 5 ft. 

Baltimore Canyon to the Hague Line south of 1000 fm

.TONIGHT...SE winds 10 to 20 kt. Seas 5 to 9 ft. Chance of
showers and tstms with vsby 1 nm or less. 
.SAT...S to SE winds 10 to 20 kt. Seas 4 to 7 ft. Chance of
showers and tstms with vsby 1 nm or less. 
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 4 to 6 ft. Chance
of showers and slight chance of tstms with vsby 1 nm or less. 
.SUN...SW winds 10 to 20 kt. Seas 4 to 6 ft. Scattered showers
with vsby 1 nm or less. 
.SUN NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.MON NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.TUE...SW winds 15 to 25 kt. Seas 4 to 8 ft. 
.TUE NIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. 
.WED...SW winds 15 to 25 kt. Seas 5 to 9 ft. 
.WED NIGHT...W to SW winds 15 to 25 kt. Seas 5 to 9 ft. 

Baltimore Canyon to Hatteras Canyon out to 36N 70W to 34N 71W

.TONIGHT...E to SE winds 5 to 15 kt, becoming S to SW. Seas 4 to
7 ft. Chance of showers and tstms with vsby 1 nm or less. 
.SAT...SW winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas
3 to 6 ft. 
.SAT NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...SW winds 10 to 20 kt. Seas 3 to 6 ft. Scattered showers. 
.SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.MON...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
6 ft. 
.MON NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.TUE...SW winds 15 to 25 kt. Seas 4 to 8 ft. 
.TUE NIGHT...SW winds 20 to 30 kt. Seas 5 to 9 ft. 
.WED...SW winds 15 to 25 kt. Seas 5 to 9 ft. 
.WED NIGHT...W to SW winds 10 to 20 kt. Seas 5 to 8 ft. 

Hatteras Canyon to Cape Fear out to 34N 71W to 32N 73W

.TONIGHT...SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered
showers and tstms. 
.SAT...SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers
and tstms. 
.SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Scattered
showers and tstms. 
.SUN...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft. Scattered showers and tstms.
.SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.MON NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.TUE...SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. 
.WED...SW winds 10 to 20 kt. Seas 4 to 8 ft. 
.WED NIGHT...SW winds 10 to 20 kt. Seas 4 to 7 ft. 

Cape Fear to 31N out to 32N 73W to 31N 74W

.TONIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered
showers and tstms. 
.SAT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered
showers and tstms. 
.SAT NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered
showers and tstms. 
.SUN...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered
showers and tstms. 
.SUN NIGHT...S winds 10 to 20 kt, becoming SW. Seas 3 to 5 ft. 
.MON...S to SW winds 10 to 15 kt, becoming S 10 to 20 kt. Seas
3 to 5 ft. 
.MON NIGHT...S winds 10 to 20 kt, becoming SW 15 to 25 kt. Seas
3 to 6 ft. 
.TUE...SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 6 ft. 
.WED...SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.WED NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. 

.Forecaster Kells. Ocean Prediction Center.