000
FZNT31 KNHC 141520
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1120 AM EDT Thu Sep 14 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...Hurricane Lee is N of the area near 30.4N 68.3W at
11 AM EDT, and is moving north at 12 kt. Maximum sustained winds
are 80 kt with gusts to 100 kt, and the minimum central pressure
is 956 mb. Lee will slowly weaken as it passes west of Bermuda
near 32.2N 68.0W this evening with maximum sustained winds 75 kt
gusts 90 kt. Large N-NW swell across the adjacent Atlantic will
move through the NE Caribbean Passage will gradually diminish
this afternoon and tonight and then decrease quickly Fri.
Moderate E trade winds will return to the Caribbean on Fri. 

NW Caribbean W of 85W

.THIS AFTERNOON...NE winds less than 10 kt. Seas 3 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.FRI...E winds less than 10 kt. Seas 3 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.SAT...E winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SUN...E winds less than 10 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, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...NE winds less than 10 kt. Seas 3 ft. 
.TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less. 
.FRI...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 2 ft or less. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.SAT...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. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.SUN...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to
15 kt, diminishing to less than 10 kt in the afternoon. Seas
3 to 5 ft S of 18N, and 2 ft or less elsewhere. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and
2 ft or less elsewhere. 
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or
less elsewhere. 

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 15 to 25 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 6 ft. 
.MON...E winds 10 to 20 kt. Seas 4 to 5 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...N winds less than 10 kt. Seas 3 ft. 
.TONIGHT...N winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 
.FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or
less. 
.FRI NIGHT...N winds less than 10 kt. Seas 3 ft. 
.SAT...NW winds less than 10 kt. Seas 3 to 4 ft. 
.SAT NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. 
.SUN...NW winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 4 ft. 
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON...N winds 10 to 15 kt. Seas 3 to 5 ft. 

Caribbean between 64W and 72W

.THIS AFTERNOON...NE winds less than 10 kt Gulf of Venezuela,
and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of
Venezuela, and 4 to 6 ft elsewhere. 
.TONIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and
4 to 6 ft elsewhere. 
.FRI...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the
morning, subsiding to 2 ft or less. Elsewhere, seas 4 to 6 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...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. 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 5 ft. 
.MON...E winds 10 to 20 kt. Seas 3 to 5 ft. 

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft. 
.FRI...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 5 to 7 ft. 
.FRI NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft. 
.SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 4 to 6 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...E winds less than 10 kt, shifting to SW in the afternoon.
Seas 5 to 7 ft. 

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

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

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Hurricane Lee is near 30.4N 68.3W at 11 AM EDT, and 
is moving north at 12 kt. Maximum sustained winds are 80 kt with
gusts to 100 kt, and the minimum central pressure is 956 mb. Lee
will slowly weaken as it passes west of Bermuda near 32.2N 68.0W
this evening with maximum sustained winds 75 kt gusts 90 kt,
then moves farther north to near 35.0N 67.2W Fri morning and 
eventually weaken as an extratropical cyclone well north of the 
area over the NW Atlantic by Sat evening. Long-period swell 
generated by Lee is expected to impact all waters north through 
east of the Bahamas through the weekend. High pressure will build
across the area late Fri through Sun. Low pressure across the 
eastern Atlantic, AL97, will approach the far eastern part of the
area Mon and Mon night, possibly as a tropical cyclone. 

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

.THIS AFTERNOON...N winds 10 to 15 kt. Seas 9 to 12 ft.
.TONIGHT...N winds 10 to 15 kt. Seas 9 to 12 ft. 
.FRI...NE winds 10 to 20 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 10 to 20 kt. Seas 8 to 10 ft. 
.SAT...NE winds 10 kt. Seas 7 to 9 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. 
.SUN...SE winds 10 to 15 kt. Seas 6 to 8 ft. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...W winds 10 to 15 kt. Seas 4 to 6 ft. 

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

...HURRICANE WARNING...

.THIS AFTERNOON...HURRICANE CONDITIONS. N winds 35 to 45 kt W
of 70W, and SW 70 to 80 kt elsewhere. Seas 15 to 20 ft W of 70W,
and 27 to 37 ft elsewhere. 
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, NW
winds 30 to 40 kt, diminishing to 20 to 30 kt after
midnight,Seas 13 to 18 ft. Elsewhere, SW winds 60 to 70 kt,
diminishing to 35 to 45 kt after midnight,Seas 20 to 30 ft,
subsiding to 17 to 22 ft after midnight. 
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, NW winds
20 to 30 kt,Seas 11 to 16 ft. Elsewhere, W winds 25 to 35 kt,
diminishing to 15 to 25 kt in the afternoon,Seas 15 to 20 ft,
subsiding to 12 to 17 ft in the afternoon. 
.FRI NIGHT...NW winds 10 to 20 kt. Seas 9 to 13 ft. 
.SAT...N winds less than 10 kt. Seas 9 to 12 ft. 
.SAT NIGHT...NE winds 10 to 15 kt W of 70W, and N less than
10 kt elsewhere. Seas 8 to 11 ft. 
.SUN...NE winds 10 to 15 kt. Seas 7 to 10 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. 

Bahamas N of 22N

.THIS AFTERNOON...N winds 10 to 15 kt. Seas 6 to 8 ft. 
.TONIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt
after midnight. Seas 5 to 7 ft. 
.FRI...N winds less than 10 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft.
.SAT...E winds less than 10 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.SUN...E winds less than 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 5 ft. 

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

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. W winds
20 to 30 kt. Seas 12 to 17 ft. 
.TONIGHT...W winds 15 to 25 kt. Seas 9 to 14 ft. 
.FRI...W winds 10 to 20 kt. Seas 8 to 12 ft. 
.FRI NIGHT...W winds less than 10 kt. Seas 8 to 10 ft. 
.SAT...E winds less than 10 kt. Seas 7 to 9 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 7 to 9 ft. 
.SUN...E winds less than 10 kt. Seas 7 to 9 ft. 
.SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 6 to 8 ft. 
.MON...E winds 10 to 15 kt. Seas 5 to 7 ft. 

ATLC waters S of 22N W of 65W

.THIS AFTERNOON...SW winds 10 to 20 kt. Seas 6 to 9 ft. 
.TONIGHT...W winds 10 to 15 kt, shifting to SW after midnight.
Seas 6 to 8 ft. 
.FRI...SW winds less than 10 kt. Seas 5 to 7 ft. 
.FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. 
.SAT...E winds less than 10 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft. 

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

.THIS AFTERNOON...SE winds 10 to 15 kt. Seas 7 to 9 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. 
.FRI...E winds less than 10 kt. Seas 7 to 8 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 6 to 7 ft. 
.SAT...E winds 10 kt. Seas 6 to 7 ft. 
.SAT NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 6 to 7 ft. 
.SUN...NE winds 10 to 15 kt. Seas 6 to 8 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 7 to 9 ft. 
.MON...N winds 10 to 20 kt. Seas 7 to 10 ft.