High Frequency Voice Broadcast (Mid Atlantic)

FZNT34 KWBC 290249
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1049 PM EDT Mon Apr 28 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...High pressure will build SE
across the waters tonight into Tue. The high will shift SE of the
area Tue night, maintaining a ridge across the S portions Wed
into Fri. A cold front will approach from the NW Tue night, move
into the N portions Wed, and then stall off the Virginia Capes
Wed night into Thu. The front will lift back N as a warm front
late Thu and Thu night, then clear N and NE of the waters Fri.
Another cold front will approach from the NW Fri into Sat, and
then will slowly move offshore Sat night.  

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

.TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. 
.TUE...SW winds 10 to 15 kt, becoming S to SW 15 to 25 kt. Seas
3 to 5 ft. 
.TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.WED...W to SW winds 15 to 25 kt, becoming N 5 to 15 kt. Seas
4 to 7 ft. Chance of showers and slight chance of tstms. 
.WED NIGHT...E to SE winds less than 10 kt, becoming E to NE.
Seas 3 to 4 ft. 
.THU...E winds 5 to 10 kt, becoming SE. Seas 3 to 4 ft. 
.THU NIGHT...S to SE winds 10 to 15 kt, becoming S 10 to 20 kt.
Seas 3 to 4 ft. 
.FRI...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.SAT...S winds 10 to 20 kt, becoming SW 15 to 25 kt. Seas 4 to
7 ft. 
.SAT NIGHT...SW winds 10 to 15 kt, becoming N to NW 5 to 15 kt.
Seas 4 to 6 ft. 

Baltimore Canyon to the Hague Line south of 1000 fm

.TONIGHT...N winds 10 to 20 kt, becoming N to NW 5 to 15 kt.
Seas 4 to 8 ft. 
.TUE...W to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
3 to 5 ft. 
.TUE NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. 
.WED...SW winds 20 to 30 kt, becoming W. Seas 6 to 10 ft. Chance
of showers and slight chance of tstms. 
.WED NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 9 ft. 
.THU...N to NW winds 5 to 15 kt, becoming E to SE. Seas 3 to
6 ft. 
.THU NIGHT...S to SE winds 5 to 15 kt, becoming S to SW 10 to
20 kt. Seas 3 to 4 ft. 
.FRI...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 8 ft. 
.SAT...S to SW winds 20 to 30 kt. Seas 6 to 10 ft. 
.SAT NIGHT...S winds 15 to 25 kt. Seas 5 to 9 ft. 

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

.TONIGHT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
4 to 8 ft. 
.TUE...Variable winds 5 to 15 kt, becoming S to SW 10 to 20 kt.
Seas 3 to 6 ft. 
.TUE NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.WED...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.WED NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. 
.THU...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI NIGHT...SW winds 15 to 25 kt. Seas 4 to 8 ft. 
.SAT...S to SW winds 20 to 30 kt. Seas 5 to 9 ft. 
.SAT NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 8 ft. 

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

.TONIGHT...E to NE winds 10 to 20 kt. Seas 5 to 8 ft. 
.TUE...E to NE winds 5 to 15 kt. Seas 4 to 7 ft. 
.TUE NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. 
.WED...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.FRI NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. 
.SAT...S winds 20 to 30 kt. Seas 5 to 9 ft. 
.SAT NIGHT...S winds 15 to 25 kt, becoming W to SW 10 to 20 kt.
Seas 4 to 7 ft. 

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

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

.Forecaster Collins. Ocean Prediction Center.