High Frequency Voice Broadcast (Mid Atlantic)

Hurricane Warnings in Effect
High Frequency Voice Broadcast (Mid Atlantic)

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FZNT34 KWBC 200303
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1103 PM EDT Wed Mar 19 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...Broad low pressure centered near
Bermuda will drift E and then NE tonight through Thu night while
weakening. A weak high pressure ridge will slowly move E across
the area tonight into Thu, then will shift E of the waters Thu
evening. A strong cold front will approach the area from the W
Thu, and then move E across the region Thu night and Fri before a
secondary cold front moves through the area Fri night. High
pressure will quickly move E through the area Fri night into Sat,
followed by another cold front moving through the waters Sat
night into Sun. The front will stall near Cape Fear Sun, and then
will lift N as a warm front Sun night and Mon. High pressure will
again build E over the area Sun and Sun night, then will shift E
of the waters Mon. Another strong cold front will approach the
coast Mon and will move offshore Mon night.  

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

...GALE WARNING...

.TONIGHT...E to SE winds 5 to 15 kt. Seas 4 to 7 ft. Areas of
fog with vsby 1 nm or less. 
.THU...S to SE winds 5 to 15 kt, becoming S 15 to 25 kt. Seas
5 to 7 ft. Areas of fog with vsby 1 nm or less. 
.THU NIGHT...S winds 15 to 25 kt, becoming NW 25 to 35 kt. Seas
6 to 8 ft. Numerous showers and areas of fog with vsby 1 nm or
less. 
.FRI...NW winds 20 to 30 kt. Seas 6 to 11 ft. 
.FRI NIGHT...W to NW winds 15 to 25 kt, becoming W to SW 10 to
20 kt. Seas 5 to 9 ft. 
.SAT...SW winds 20 to 30 kt. Seas 4 to 7 ft. 
.SAT NIGHT...W to NW winds 15 to 25 kt. Seas 4 to 7 ft. 
.SUN...NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
4 to 7 ft. 
.SUN NIGHT...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
3 to 4 ft. 
.MON...S to SW winds 20 to 30 kt. Seas 4 to 8 ft. 
.MON NIGHT...SW winds 20 to 30 kt, becoming W 15 to 20 kt. Seas
5 to 9 ft. 

Baltimore Canyon to the Hague Line south of 1000 fm

...GALE WARNING...

.TONIGHT...NE winds 20 to 30 kt. Seas 8 to 14 ft. 
.THU...NE winds 10 to 20 kt, becoming E to NE 5 to 15 kt. Seas
6 to 11 ft. 
.THU NIGHT...S winds 15 to 25 kt, becoming S to SW 25 to 35 kt.
Seas 6 to 9 ft. Numerous showers. 
.FRI...W to NW winds 25 to 35 kt. Seas 8 to 14 ft. Scattered
showers. 
.FRI NIGHT...W to NW winds 25 to 35 kt. Seas 10 to 16 ft. 
.SAT...W winds 20 to 30 kt, becoming SW 25 to 35 kt. Seas 8 to
14 ft. 
.SAT NIGHT...W winds 25 to 35 kt, becoming W to NW 20 to 30 kt.
Seas 8 to 14 ft. 
.SUN...NW winds 15 to 25 kt. Seas 6 to 11 ft. 
.SUN NIGHT...NW winds 15 to 25 kt, becoming S to SE 10 to 20 kt.
Seas 6 to 11 ft. 
.MON...S winds 20 to 30 kt. Seas 6 to 10 ft. 
.MON NIGHT...S winds 20 to 30 kt. Seas 8 to 14 ft. 

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

...GALE WARNING...

.TONIGHT...N to NE winds 15 to 25 kt. Seas 8 to 14 ft. 
.THU...N winds 5 to 15 kt, becoming S 15 to 25 kt. Seas 6 to
10 ft. 
.THU NIGHT...S to SW winds 25 to 35 kt, becoming W to NW. Seas
7 to 12 ft. Scattered showers and slight chance of tstms with
vsby 1 nm or less.
.FRI...NW winds 25 to 35 kt. Seas 8 to 14 ft. Isolated showers. 
.FRI NIGHT...NW winds 25 to 35 kt, diminishing to 15 to 25 kt.
Seas 9 to 15 ft. 
.SAT...SW winds 20 to 30 kt, increasing to 25 to 35 kt. Seas
7 to 12 ft. 
.SAT NIGHT...W to NW winds 20 to 30 kt. Seas 7 to 12 ft. 
.SUN...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. 
.SUN NIGHT...S to SE winds 15 to 25 kt. Seas 4 to 7 ft. 
.MON...S winds 20 to 30 kt. Seas 6 to 10 ft. 
.MON NIGHT...S to SW winds 20 to 30 kt. Seas 7 to 13 ft. 

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

...GALE WARNING...

.TONIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft. 
.THU...N winds 5 to 15 kt, becoming SW 15 to 25 kt. Seas 6 to
10 ft. 
.THU NIGHT...SW winds 25 to 35 kt, becoming W. Seas 8 to 13 ft.
Scattered showers and slight chance of tstms. 
.FRI...NW winds 25 to 35 kt. Seas 8 to 14 ft. Isolated showers. 
.FRI NIGHT...NW winds 20 to 30 kt, becoming W to NW 10 to 20 kt.
Seas 8 to 14 ft. 
.SAT...SW winds 20 to 30 kt. Seas 6 to 11 ft. 
.SAT NIGHT...W to SW winds 20 to 30 kt. Seas 6 to 11 ft. 
.SUN...N winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas
4 to 8 ft. 
.SUN NIGHT...S to SE winds 15 to 25 kt. Seas 3 to 6 ft. 
.MON...S winds 20 to 30 kt. Seas 6 to 10 ft. 
.MON NIGHT...S to SW winds 20 to 30 kt. Seas 6 to 11 ft. 

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

...GALE WARNING...

.TONIGHT...N winds 15 to 25 kt. Seas 8 to 14 ft. 
.THU...SW winds 10 to 20 kt, increasing to 20 to 30 kt. Seas
6 to 10 ft. 
.THU NIGHT...W to SW winds 25 to 35 kt, becoming W to NW. Seas
7 to 13 ft. Scattered showers and slight chance of tstms. 
.FRI...NW winds 20 to 30 kt. Seas 8 to 14 ft. 
.FRI NIGHT...NW winds 15 to 25 kt, becoming W 5 to 15 kt. Seas
7 to 13 ft. 
.SAT...W to SW winds 20 to 30 kt. Seas 4 to 8 ft. 
.SAT NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 8 ft. 
.SUN...N to NE winds 5 to 15 kt, becoming variable. Seas 3 to
6 ft. 
.SUN NIGHT...S winds 15 to 25 kt. Seas 3 to 5 ft. 
.MON...S to SW winds 20 to 30 kt. Seas 5 to 9 ft. 
.MON NIGHT...S to SW winds 20 to 30 kt, becoming W to SW. Seas
5 to 9 ft. 

.Forecaster Connelly. Ocean Prediction Center.