318 
FZNT31 KNHC 062123
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
523 PM EDT Wed Sep 6 2023

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 Atlantic from
07N to 19N between 55W and 64W

.SYNOPSIS...Moderate to fresh trade winds and moderate seas will
continue in the central and eastern Caribbean into the weekend.
Gentle to locally moderate winds and slight seas will prevail
elsewhere. Hurricane Lee is near 14.9N 46.4W at 5 PM EDT, and is
moving west-northwest at 12 kt. Maximum sustained winds are
65 kt with gusts to 80 kt, and the minimum central pressure is
991 mb. Lee will strengthen to a major hurricane Fri afternoon
near 18.6N 55.3W, then move to near 20.4N 59.4W Sat afternoon,
near 22N63W Sun afternoon, and near 23N65W Mon afternoon. Lee
could bring some impacts to the northern Leeward Islands Fri
night through the weekend. 

NW Caribbean W of 85W

.TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.THU...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. 
.FRI...E winds less than 10 kt. Seas 2 ft or less. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 ft or less. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SUN...E winds 10 to 15 kt. Seas 2 ft or less. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.MON...E winds 10 to 15 kt. Seas 3 ft. 

Caribbean N of 15N between 72W and 85W

.TONIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. 
.THU...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. 
.THU NIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. 
.FRI...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or
less elsewhere. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or
less elsewhere. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or
less elsewhere. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft. 

Caribbean from 11N to 15N W of 72W

.TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. 
.THU...E winds 15 to 25 kt. Seas 5 to 7 ft. 
.THU NIGHT...E winds 10 to 20 kt within 90 nm of coast of
Colombia, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. 
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.FRI NIGHT...NE winds 15 to 25 kt within 90 nm of coast of
Colombia, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. 
.SAT...E winds 15 to 25 kt within 90 nm of coast of Colombia,
and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 

SW Caribbean S of 11N

.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.MON...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 

Caribbean between 64W and 72W

.TONIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 15 to
25 kt elsewhere. Seas 4 to 6 ft. 
.THU...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela,
and 4 to 6 ft elsewhere. 
.THU NIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 15 to
25 kt elsewhere. Seas 3 to 5 ft. 
.FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela,
and 3 to 5 ft elsewhere. 

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

...HURRICANE WARNING...

.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 10 to
20 kt. Seas 5 to 7 ft. 
.FRI...TROPICAL STORM CONDITIONS EXPECTED. NE winds 30 to
40 kt, becoming N 80 to 90 kt in the afternoon. Seas 9 to 14 ft 
in E swell, building to 25 to 35 ft in the afternoon.
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. N winds 90 to
100 kt, becoming W 45 to 55 kt after midnight. Seas 20 to 30 ft.
.SAT...HURRICANE CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...S winds 10 to 20 kt. Seas 5 to 7 ft. 

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

.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Hurricane Lee is near 14.9N 46.4W at 5 PM EDT, and
is moving west-northwest at 12 kt. Maximum sustained winds are 
65 kt with gusts to 80 kt, and the minimum central pressure is 
991 mb. Lee will strengthen to a major hurricane Fri afternoon 
near 18.6N 55.3W, then move to near 20.4N 59.4W Sat afternoon, 
near 22N63W Sun afternoon, and near 23N65W Mon afternoon. Lee 
could bring some impacts to the northern Leeward Islands Fri 
night through the weekend. 

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

.TONIGHT...NW winds less than 10 kt, shifting to SW after
midnight. Seas 3 to 4 ft. 
.THU...SW winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft. 
.THU NIGHT...S winds 10 to 15 kt. Seas 3 ft. 
.FRI...S winds 10 to 15 kt. Seas 3 ft. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 ft. 
.SAT...SE winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...SE winds less than 10 kt. Seas 3 ft. 
.SUN...S winds less than 10 kt. Seas 3 ft. 
.SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. 
.MON...Variable winds less than 10 kt, becoming E less than
10 kt in the afternoon. Seas 4 to 6 ft. 

ATLC waters from 27N to 31N between 65W and 77W

.TONIGHT...W of 70W, W winds less than 10 kt. Elsewhere, S winds
10 to 15 kt, diminishing to less than 10 kt after midnight. Seas
3 to 4 ft. 
.THU...S winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. 
.FRI...SE winds less than 10 kt. Seas 3 to 4 ft. 
.FRI NIGHT...SE winds 10 to 15 kt W of 70W, and SE less than
10 kt elsewhere. Seas 3 ft. 
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft W of 70W, and 6 to
9 ft elsewhere. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...E winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 8 to
11 ft elsewhere. 

Bahamas N of 22N

.TONIGHT...NE winds less than 10 kt, shifting to E after
midnight. Seas 3 ft. 
.THU...E winds less than 10 kt. Seas 2 ft or less. 
.THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.FRI...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 ft or less. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...SE winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less. 
.SUN...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.TONIGHT...W of 70W, NE winds less than 10 kt. Elsewhere, S
winds less than 10 kt, increasing to 10 to 15 kt after midnight.
Seas 3 to 5 ft. 
.THU...E winds less than 10 kt W of 70W, and S 10 to 15 kt
elsewhere. Seas 3 to 4 ft. 
.THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Seas 3 to 5 ft
W of 70W, and 6 to 9 ft elsewhere. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.MON...W of 70W, NE winds 10 to 15 kt,Seas 8 to 13 ft.
Elsewhere, NE winds 70 to 80 kt, increasing to 100 to 120 kt in
the afternoon,Seas 16 to 26 ft, building to 20 to 30 ft in the
afternoon. 

ATLC waters S of 22N W of 65W

.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...SE winds 10 to 15 kt. Seas 3 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 3 ft. 
.FRI...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.MON...N winds 40 to 50 kt. Seas 8 to 13 ft. 

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

...TROPICAL STORM WARNING...

.TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft. 
.THU...NE winds 10 to 15 kt. Seas 4 to 5 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to
20 kt. Seas 5 to 7 ft. 
.FRI...TROPICAL STORM CONDITIONS EXPECTED. NE winds 20 to
30 kt, increasing to 50 to 60 kt in the afternoon. Seas 7 to
11 ft, building to 12 to 20 ft in the afternoon.
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 85 to
105 kt. Seas 20 to 30 ft. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.MON...S winds 55 to 65 kt, diminishing to 45 to 55 kt in the
afternoon. Seas 9 to 14 ft.