000
FZNT31 KNHC 140241
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1041 PM EDT Wed Sep 13 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 28.0N 67.7W at
11 PM EDT, moving north at 8 kt. Maximum sustained winds are
90 kt with gusts to 110 kt. Minimum central pressure is 953 mb.
Lee is expected to continue toward the N through Fri and exit
the region. Large N-NW swell across the adjacent Atlantic will
move through the NE Caribbean Passage through early Thu before
gradually diminishing Thu night and then decreasing quickly Fri.
Moderate E trade winds will return to the Caribbean on Fri. 

NW Caribbean W of 85W

.OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU...NE winds less than 10 kt. Seas 3 ft. 
.THU NIGHT...NE winds less than 10 kt, shifting to E after
midnight. Seas 3 ft. 
.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. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to
3 ft after midnight. 
.SUN...E winds less than 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 3 ft in the morning, subsiding to 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

.OVERNIGHT...NE winds 10 to 20 kt. Seas 3 ft. 
.THU...S of 18N, E winds less than 10 kt. Elsewhere, NE winds
10 to 15 kt, diminishing to less than 10 kt in the afternoon.
Seas 3 ft. 
.THU NIGHT...S of 18N, E winds less than 10 kt, increasing to
10 to 15 kt after midnight. Elsewhere, NE winds 10 to 15 kt.
Seas 3 ft. 
.FRI...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. Seas 3 ft in the morning, subsiding to 2 ft or less. 
.FRI NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt
elsewhere. 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...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds
less than 10 kt, increasing to 10 to 15 kt after midnight. 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...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

.OVERNIGHT...NE winds 10 to 15 kt. Seas 3 ft. 
.THU...NE winds 10 to 15 kt. Seas 3 ft. 
.THU NIGHT...NE winds 10 to 15 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 3 to 5 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 6 ft. 
.MON...E winds 10 to 20 kt. Seas 4 to 6 ft. 

SW Caribbean S of 11N

.OVERNIGHT...N winds less than 10 kt. Seas 3 ft. 
.THU...N winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.THU NIGHT...N winds less than 10 kt. Seas 3 ft. 
.FRI...NE winds 10 to 15 kt, shifting to N in the afternoon.
Seas 3 ft. 
.FRI NIGHT...N winds less than 10 kt. Seas 3 ft. 
.SAT...NW winds less than 10 kt. Seas 3 ft. 
.SAT NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. 
.SUN...NW winds less than 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...NW winds less than 10 kt, shifting to N after
midnight. Seas 3 to 4 ft. 
.MON...N winds 10 to 15 kt. Seas 3 to 4 ft. 

Caribbean between 64W and 72W

.OVERNIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...Gulf of Venezuela, E winds 10 to 15 kt, shifting to NE in
the afternoon,Seas 3 to 4 ft in the morning, subsiding to 2 ft
or less. Elsewhere, SE winds 10 to 20 kt,Seas 4 to 6 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of
Venezuela, and 4 to 6 ft elsewhere. 
.FRI...Gulf of Venezuela, E winds 10 to 15 kt, shifting to NE in
the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 3 to 4 ft
Gulf of Venezuela, and 4 to 6 ft elsewhere. 
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. 
.SAT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela,
and 4 to 6 ft elsewhere. 
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 5 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. 
.MON...E winds 10 to 20 kt. Seas 4 to 5 ft. 

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

.OVERNIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. 
.THU NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. 
.FRI...E winds 10 to 15 kt. 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. Seas 4 to 6 ft. 
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. 
.MON...SE winds less than 10 kt. Seas 5 to 7 ft. 

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

.OVERNIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.THU NIGHT...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...NE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 15 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 5 ft. 
.MON...E 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 28.0N 67.7W at 11 PM EDT, 
moving north at 8 kt. Maximum sustained winds are 90 kt with
gusts to 110 kt. Minimum central pressure is 953 mb. Lee will
continue moving northward and reach near 29.6N 68.1W Thu
morning, near 31.9N 68.0W Thu evening, pass W of Bermuda near 
34.8N 67.2W Fri morning, and continue northward across the NW 
Atlantic through the weekend. 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 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

.OVERNIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. 
.THU...N winds 10 to 15 kt. Seas 8 to 11 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 9 to 11 ft.
.FRI...N 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 to 15 kt. Seas 8 to 10 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. 
.SUN...SE winds 10 to 15 kt. Seas 6 to 8 ft. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. 
.MON...SW winds 10 to 20 kt. Seas 3 to 5 ft. 

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

...HURRICANE WARNING...

.OVERNIGHT...HURRICANE CONDITIONS. N winds 30 to 40 kt W of
70W, and E 80 to 90 kt elsewhere. Seas 14 to 19 ft W of 70W, and
26 to 36 ft elsewhere. 
.THU...HURRICANE CONDITIONS EXPECTED. N winds 35 to 45 kt W of
70W, and SW 75 to 90 kt elsewhere. Seas 15 to 20 ft W of 70W,
and 25 to 35 ft elsewhere. 
.THU NIGHT...HURRICANE CONDITIONS EXPECTED. W of 70W, NW winds
35 to 45 kt, diminishing to 20 to 30 kt after midnight,Seas
13 to 18 ft. Elsewhere, SW winds 65 to 85 kt, diminishing to
40 to 50 kt after midnight,Seas 19 to 29 ft, subsiding to 16 to
26 ft after midnight. 
.FRI...NW winds 20 to 30 kt W of 70W, and W 20 to 30 kt
elsewhere. Seas 11 to 16 ft W of 70W, and 14 to 19 ft elsewhere.
.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...E winds 10 to 15 kt W of 70W, and N less than 10 kt
elsewhere. Seas 8 to 11 ft. 
.SUN...NE winds less than 10 kt, shifting to E in the afternoon.
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 4 to 6 ft. 

Bahamas N of 22N

.OVERNIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. 
.THU...N winds 10 to 15 kt. Seas 6 to 8 ft. 
.THU NIGHT...N winds 10 to 15 kt. 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 3 to 5 ft.
.SAT...NE winds less than 10 kt. Seas 3 to 5 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. 
.SUN...SE winds less than 10 kt. Seas 3 to 5 ft. 
.SUN NIGHT...SE 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

...HURRICANE WARNING...

.OVERNIGHT...HURRICANE CONDITIONS. W of 70W, NW winds 25 to
35 kt. Elsewhere, SW winds 75 to 85 kt, diminishing to 65 to
75 kt after midnight. Seas 13 to 18 ft W of 70W, and 16 to 26 ft
elsewhere. 
.THU...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, NW winds
20 to 30 kt,Seas 11 to 16 ft. Elsewhere, SW winds 35 to 45 kt,
diminishing to 20 to 30 kt in the afternoon,Seas 15 to 20 ft,
subsiding to 12 to 17 ft in the afternoon. 
.THU NIGHT...NW winds 15 to 25 kt W of 70W, and SW 15 to 25 kt
elsewhere. Seas 10 to 15 ft. 
.FRI...W winds 10 to 20 kt. Seas 8 to 12 ft. 
.FRI NIGHT...W winds less than 10 kt. Seas 7 to 9 ft.
.SAT...E winds less than 10 kt. Seas 6 to 9 ft. 
.SAT NIGHT...E winds less than 10 kt. Seas 6 to 9 ft. 
.SUN...W of 70W, E winds less than 10 kt, increasing to 10 to
15 kt in the afternoon. Elsewhere, E winds less than 10 kt. Seas
7 to 9 ft. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 5 to 7 ft. 

ATLC waters S of 22N W of 65W

.OVERNIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. 
.THU...W winds 10 to 20 kt. Seas 6 to 9 ft. 
.THU NIGHT...SW winds 10 to 15 kt. 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 less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 5 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft. 

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

.OVERNIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. 
.THU...SE winds 10 to 20 kt. Seas 7 to 9 ft. 
.THU NIGHT...SE winds 10 to 15 kt, shifting to E after midnight.
Seas 7 to 9 ft. 
.FRI...E winds less than 10 kt. Seas 6 to 8 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 6 to 7 ft. 
.SAT...NE winds less than 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 7 ft. 
.SUN NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. 
.MON...N winds 10 to 15 kt. Seas 7 to 9 ft.