000
FZNT31 KNHC 111440
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1040 AM EDT Wed Oct 11 2017

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 22N between 55W and 64W, the SW N Atlantic S of
31N W of 65W including Bahamas, and the Caribbean Sea.

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 Caribbean Sea and Tropical N ATLC from 07N to 19N
between 55W and 64W

.SYNOPSIS...A weak tropical wave currently across the central
Caribbean will move across the western Caribbean by Friday
accompanied by scattered showers and isolated thunderstorms.
Some enhancement of the trades is expected north of Colombia
from Friday through Sunday. Elsewhere winds and seas will remain
relatively tranquil throughout the period. 

NW Caribbean W of 85W

.THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 ft. 
.THU AND THU NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. 
.FRI...N winds less than 10 kt. Seas 2 to 3 ft.
.FRI THROUGH SUN...NE winds less than 10 kt. Seas 3 ft. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...E winds less than 10 kt S of 18N, and E 10 to
15 kt elsewhere. Seas 2 ft or less S of 18N, and 3 to 5 ft
elsewhere. 
.TONIGHT...S of 18N, Variable winds less than 10 kt, becoming E
less than 10 kt after midnight. Elsewhere, NE winds 10 to 15 kt.
Seas 2 to 3 ft. 
.THU AND THU NIGHT...E winds 10 to 15 kt S of 18N, and E less
than 10 kt elsewhere. Seas 2 ft or less. 
.FRI THROUGH SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...Within 90 nm of coast of Colombia, E winds
10 kt. Elsewhere, E winds less than 10 kt, becoming variable
winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...Within 90 nm of coast of Colombia, NE winds 10 kt.
Elsewhere, Variable winds less than 10 kt, becoming NE less than
10 kt after midnight. Seas 2 ft or less. 
.THU AND THU NIGHT...NE winds 10 to 15 kt. Seas 3 ft. 
.FRI THROUGH SUN...NE winds 10 to 20 kt. Seas 4 to 6 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or
less. 
.TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less. 
.THU AND THU NIGHT...N winds less than 10 kt. Seas 2 ft or less.
.FRI THROUGH SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean between 64W and 72W

.THIS AFTERNOON...Variable winds less than 10 kt Gulf of
Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf
of Venezuela, and 3 to 5 ft elsewhere. 
.TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere. 
.THU AND THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI THROUGH SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 

Offshore Leeward Islands and adjacent ATLC waters from 15N to
19N W of 55W

.THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
.THU AND THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI THROUGH SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 

Offshore Windward Islands and adjacent ATLC waters from 07N to
15N W of 55W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU AND THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI THROUGH SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. 

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS

.SYNOPSIS...A broad surface trough N of Puerto Rico will move W
across the forecast waters through Fri. This trough along with 
strong high pressure to the N will enhance the winds and seas E
of the Bahamas through Thu afternoon and between the W Bahamas 
and Florida on Fri. Expect scattered to numerous showers and 
thunderstorms with possible gusty winds and building seas with 
this trough. 

ATLC waters from 27N to 31N W of 77W

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU AND THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI THROUGH SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. 

ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W

.THIS AFTERNOON...E winds 10 to 20 kt W of 70W, and E 15 to
25 kt elsewhere. Seas 7 to 10 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU AND THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. 
.FRI THROUGH SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. 

Bahamas N of 22N

.THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU AND THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI THROUGH SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. 

ATLC waters from 22N to 27N between 65W and the Bahamas

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 7 to 10 ft. 
.TONIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. 
.THU AND THU NIGHT...E winds 10 to 15 kt W of 70W, and E less
than 10 kt elsewhere. Seas 5 to 7 ft. 
.FRI THROUGH SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...SE winds less than 10 kt. Seas 4 to 6 ft. 
.TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft.
.THU AND THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
.FRI THROUGH SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. 

ATLC waters from 19N to 22N between 55W and 65W

.THIS AFTERNOON...S winds 10 kt. Seas 5 to 6 ft. 
.TONIGHT...SE winds less than 10 kt. Seas 4 to 5 ft.
.THU...Variable winds less than 10 kt. Seas 4 to 5 ft. 
.THU NIGHT...Variable winds less than 10 kt, becoming E 10 kt
after midnight. Seas 4 to 5 ft. 
.FRI THROUGH SUN...E winds 10 to 20 kt. Seas 5 to 7 ft.