High Frequency Voice Broadcast (Mid Atlantic)

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

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FZNT34 KWBC 240255
OFFN32

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1055 PM EDT Sat Oct 23 2021

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...A cold front will stall across
the S waters tonight and will dissipate Sun. A secondary cold
front will move into the area tonight, and then stall and weaken
across the northern waters Sun. High pressure will quickly move
SE across the waters Sun and Sun night, and will maintain a ridge
over the southern zones into Mon. A warm front will lift N over
the N waters Sun night into Mon. Low pressure will form over the
southern waters Mon night, then move N across the outer waters
Tue as another low pressure moves E off the northern Mid-
Atlantic coast. The two lows will merge over the northern waters
Tue night, and then move E Wed and Wed night. The low will then
pass E of the waters Thu and Thu night as another ridge builds SE
towards the region. Another cold front will move E off the SE
coast Thu and Thu night.  

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

.TONIGHT...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. 
.SUN...NW winds 5 to 15 kt, becoming S. Seas 3 to 6 ft. 
.SUN NIGHT...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. 
.MON...SW winds 15 to 20 kt, becoming S. Seas 4 to 7 ft. 
.MON NIGHT...S winds 15 to 25 kt. Seas 6 to 11 ft. 
.TUE...W to SW winds 5 to 15 kt, becoming W 15 to 25 kt. Seas
7 to 13 ft. 
.TUE NIGHT...N to NW winds 20 to 30 kt. Seas 9 to 16 ft. 
.WED...N winds 15 to 25 kt. Seas 10 to 16 ft. 
.WED NIGHT...N winds 20 to 30 kt. Seas 10 to 17 ft. 
.THU...N to NE winds 10 to 20 kt. Seas 7 to 13 ft. 
.THU NIGHT...NE winds 10 to 20 kt, becoming E. Seas 7 to 12 ft. 

Baltimore Canyon to the Hague Line south of 1000 fm

...GALE FORCE WINDS POSSIBLE MON NIGHT...

.TONIGHT...W to NW winds 15 to 25 kt. Seas 4 to 8 ft. 
.SUN...W to NW winds 15 to 25 kt. Seas 4 to 8 ft. 
.SUN NIGHT...NW winds 10 to 20 kt, becoming S. Seas 5 to 9 ft. 
.MON...S winds 15 to 25 kt. Seas 4 to 8 ft. 
.MON NIGHT...S winds 20 to 30 kt, becoming S to SE 25 to 35 kt.
Seas 8 to 14 ft. 
.TUE...SE winds 30 to 40 kt. Seas 11 to 18 ft. 
.TUE NIGHT...S to SE winds 25 to 35 kt, becoming W 20 to 30 kt.
Seas 12 to 18 ft. 
.WED...W to NW winds 25 to 35 kt, becoming N to NW. Seas 14 to
16 ft. 
.WED NIGHT...N to NW winds 25 to 35 kt. Seas 12 to 17 ft. 
.THU...N to NW winds 20 to 30 kt. Seas 10 to 17 ft. 
.THU NIGHT...N to NE winds 15 to 25 kt. Seas 10 to 18 ft. 

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

...GALE FORCE WINDS POSSIBLE MON NIGHT...

.TONIGHT...NW winds 5 to 15 kt. Seas 3 to 6 ft. 
.SUN...N to NW winds 5 to 15 kt, becoming S to SE. Seas 3 to
6 ft. 
.SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...S winds 15 to 25 kt. Seas 5 to 8 ft. 
.MON NIGHT...S to SE winds 20 to 30 kt, becoming S to SW 25 to
35 kt. Seas 8 to 14 ft. 
.TUE...S to SW winds 20 to 30 kt, becoming W. Seas 9 to 15 ft. 
.TUE NIGHT...W to NW winds 20 to 30 kt, becoming W 25 to 35 kt.
Seas 9 to 15 ft. 
.WED...W to NW winds 25 to 35 kt. Seas 10 to 16 ft. 
.WED NIGHT...NW winds 25 to 35 kt, becoming N to NW 20 to 30 kt.
Seas 11 to 17 ft. 
.THU...N to NW winds 15 to 25 kt. Seas 9 to 16 ft. 
.THU NIGHT...N to NE winds 5 to 15 kt, becoming E 10 to 20 kt.
Seas 7 to 13 ft. 

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

.TONIGHT...N to NW winds less than 10 kt. Seas 3 to 5 ft.
Scattered showers and tstms. 
.SUN...E to NE winds 5 to 10 kt, becoming E to SE 5 to 15 kt.
Seas 3 to 5 ft. 
.SUN NIGHT...S to SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.MON...S to SE winds 15 to 25 kt. Seas 4 to 8 ft. Scattered
showers and tstms. 
.MON NIGHT...S to SE winds 15 to 25 kt, becoming W to SW 20 to
30 kt. Seas 6 to 10 ft. 
.TUE...W winds 20 to 30 kt. Seas 7 to 12 ft. 
.TUE NIGHT...W to NW winds 20 to 30 kt. Seas 8 to 13 ft. 
.WED...W to NW winds 20 to 30 kt. Seas 8 to 13 ft. 
.WED NIGHT...W to NW winds 15 to 25 kt. Seas 8 to 14 ft. 
.THU...W to NW winds 10 to 20 kt, becoming N to NW 5 to 15 kt.
Seas 7 to 13 ft. 
.THU NIGHT...Variable winds 5 to 15 kt, becoming SE 10 to 20 kt.
Seas 6 to 11 ft. 

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

.TONIGHT...Variable winds less than 10 kt, becoming E. Seas 3 to
4 ft. Scattered showers and tstms. 
.SUN...E to SE winds 5 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SE winds 10 to 20 kt. Seas 3 to 6 ft. Scattered
showers and tstms. 
.MON...S to SE winds 10 to 20 kt. Seas 4 to 7 ft. Scattered
showers and tstms. 
.MON NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. 
.TUE...W to NW winds 20 to 30 kt. Seas 6 to 10 ft. 
.TUE NIGHT...W to NW winds 15 to 25 kt. Seas 6 to 10 ft. 
.WED...W to NW winds 10 to 20 kt. Seas 6 to 10 ft. 
.WED NIGHT...W to NW winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU...W to NW winds 5 to 15 kt, becoming S 10 to 20 kt. Seas
5 to 9 ft. 
.THU NIGHT...S to SW winds 10 to 20 kt. Seas 5 to 9 ft. 

.Forecaster Clark. Ocean Prediction Center.