High Frequency Voice Broadcast (Mid Atlantic)

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FZNT34 KWBC 232049
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
449 PM EDT Tue Oct 23 2018

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.

.SYNOPSIS FOR MID ATLC WATERS...High pressure remains over the
far southern waters through this evening. Low pressure moves off
of the New England coast tonight, and a cold front will move
through the waters late tonight and Wednesday as the low moves
toward the Canadian Maritimes. The low remains over the Canadian
Maritimes Wednesday night into Thursday night as high pressure
gradually builds in from the west. Low pressure will approach
from the southeast states late Thursday night and move into the
waters Friday. The low strengthens as it reaches Delmarva Friday
night and the New England coast on Saturday. A trough will be
over the waters Saturday night, with yet another low developing 
over the mid-Atlantic waters Sunday and moving north of the 
waters Sunday night as high pressure builds east over the far 
southern waters. 

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

...GALE FORCE WINDS POSSIBLE FRI NIGHT...

.TONIGHT...SW winds 15 to 20 kt, becoming W to NW 15 to 25 kt.
Seas 3 to 6 ft. 
.WED...NW winds 20 to 30 kt. Seas 5 to 9 ft. 
.WED NIGHT...N to NW winds 20 to 30 kt, becoming N 15 to 20 kt.
Seas 5 to 9 ft. 
.THU...NW winds 10 to 20 kt. Seas 3 to 6 ft. 
.THU NIGHT...NW winds 10 to 20 kt, becoming N 5 to 15 kt. Seas
3 to 6 ft. 
.FRI...E to NE winds less than 10 kt, becoming E. Seas 2 to
4 ft. 
.FRI NIGHT...E winds increasing to 30 to 40 kt. Seas 7 to 11 ft,
building to 13 to 20 ft. 
.SAT...E winds 30 to 40 kt, becoming SW 20 to 30 kt. Seas 13 to
22 ft. 
.SAT NIGHT...W to SW winds 20 to 30 kt. Seas 8 to 13 ft. 
.SUN...W winds 10 to 20 kt. Seas 6 to 10 ft. 
.SUN NIGHT...W to SW winds 10 to 20 kt, becoming S 20 to 30 kt.
Seas 4 to 8 ft. 

Baltimore Canyon to the Hague Line south of 1000 fm

...GALE WARNING...

.TONIGHT...SW winds 20 to 30 kt, increasing to 25 to 35 kt. Seas
7 to 12 ft. Numerous showers and scattered TSTMs with VSBY 1 nm
or less. 
.WED...W to NW winds 20 to 30 kt. Seas 6 to 10 ft. 
.WED NIGHT...N to NW winds 20 to 30 kt. Seas 8 to 14 ft. 
.THU...NW winds 20 to 30 kt. Seas 7 to 13 ft. 
.THU NIGHT...NW winds 20 to 30 kt. Seas 6 to 10 ft. 
.FRI...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. 
.FRI NIGHT...E winds increasing to 30 to 40 kt. Seas 7 to 
11 ft, building to 15 to 22 ft. 
.SAT...S to SE winds 30 to 40 kt, becoming S to SW. Seas 15 to
25 ft. 
.SAT NIGHT...S to SW winds 30 to 40 kt. Seas 13 to 22 ft. 
.SUN...S to SW winds 20 to 30 kt, becoming W to SW. Seas 10 to
18 ft. 
.SUN NIGHT...W winds 10 to 20 kt, becoming S to SW 20 to 30 kt.
Seas 7 to 12 ft. 

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

...GALE FORCE WINDS POSSIBLE FRI NIGHT...

.TONIGHT...SW winds 20 to 30 kt, becoming W to NW. Seas 4 to
8 ft. Scattered showers and isolated TSTMs with VSBY 1 nm or
less. 
.WED...NW winds 15 to 25 kt. Seas 5 to 9 ft. 
.WED NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. 
.THU...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. 
.THU NIGHT...N to NW winds 5 to 15 kt, diminishing to less than
10 kt. Seas 4 to 7 ft. 
.FRI...SE winds 10 to 20 kt, increasing to 20 to 30 kt. Seas
5 to 8 ft. 
.FRI NIGHT...SE winds 30 to 40 kt, becoming S to SW. Seas
building to 13 to 22 ft. 
.SAT...SW winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas
11 to 19 ft. 
.SAT NIGHT...W to SW winds 20 to 30 kt. Seas 8 to 13 ft. 
.SUN...W winds 15 to 25 kt. Seas 5 to 9 ft. 
.SUN NIGHT...S to SW winds 10 to 20 kt, increasing to 20 to
30 kt. Seas 5 to 8 ft. 

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

...GALE FORCE WINDS POSSIBLE FRI...

.TONIGHT...W to SW winds 15 to 25 kt, becoming W to NW. Seas
3 to 6 ft. Scattered showers and isolated TSTMs. 
.WED...N winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers
and TSTMs. 
.WED NIGHT...N winds 15 to 20 kt. Seas 4 to 8 ft.
.THU...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to
7 ft. 
.THU NIGHT...N winds 5 to 15 kt, becoming E to SE. Seas 3 to
6 ft. 
.FRI...SE winds increasing to 20 to 30 kt, then to 30 to 40 kt. 
Seas 4 to 7 ft, building to 11 to 17 ft. 
.FRI NIGHT...S to SW winds 30 to 40 kt. Seas 13 to 21 ft. 
.SAT...SW winds 20 to 30 kt. Seas 7 to 13 ft. 
.SAT NIGHT...SW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas
6 to 10 ft. 
.SUN...W winds 15 to 25 kt. Seas 5 to 9 ft. 
.SUN NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. 

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

...GALE FORCE WINDS POSSIBLE FRI...

.TONIGHT...Variable winds less than 10 kt, becoming N to NW.
Seas 2 to 4 ft. Scattered showers and isolated TSTMs with VSBY
1 nm or less. 
.WED...N to NE winds 10 to 20 kt. Seas 3 to 6 ft. Scattered
showers and TSTMs. 
.WED NIGHT...NE winds 15 to 25 kt. Seas 4 to 7 ft. 
.THU...NE winds 10 to 20 kt, becoming E 15 to 25 kt. Seas 4 to
7 ft. 
.THU NIGHT...E winds 20 to 30 kt. Seas 6 to 10 ft. 
.FRI...SE winds 30 to 40 kt. Seas 9 to 16 ft. 
.FRI NIGHT...S to SW winds 30 to 40 kt, becoming W to SW 20 to
30 kt. Seas 7 to 13 ft. 
.SAT...W to SW winds 20 to 30 kt. Seas 6 to 11 ft. 
.SAT NIGHT...W winds 20 to 30 kt. Seas 5 to 9 ft. 
.SUN...W to NW winds 15 to 25 kt. Seas 5 to 8 ft. 
.SUN NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. 

.Forecaster Figurskey. Ocean Prediction Center.