000
FZNT31 KNHC 060911
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
511 AM 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. Tropical Storm Lee is near 13.7N 44.6W at 5 AM EDT,
and is moving west-northwest at 12 kt. Maximum sustained winds
are 55 kt with gusts to 65 kt, and the minimum central pressure
is 997 mb. Lee will strengthen to a hurricane near 14.3N 46.4W
this afternoon, move to 15.1N 48.8W Thu morning, 16.0N 51.3W Thu
afternoon, 17.0N 53.7W Fri morning, 18.1N 56.2W Fri afternoon,
and 19.2N 58.4W Sat morning. Lee is forecast to become a major
hurricane by late this week and could bring impacts to the
Leeward Islands this weekend. 

NW Caribbean W of 85W

.TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.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 2 ft or less. 
.FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. 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. 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 3 ft in the morning, subsiding
to 2 ft or less. 

Caribbean N of 15N between 72W and 85W

.TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft
or less elsewhere. 
.TONIGHT...E winds 10 to 20 kt. 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. 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...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to
20 kt, diminishing to less than 10 kt in the afternoon. Seas
3 to 5 ft S of 18N, and 2 ft or less elsewhere. 
.SAT NIGHT...NE 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. 

Caribbean from 11N to 15N W of 72W

.TODAY...E winds 15 to 25 kt. Seas 6 to 9 ft within 90 nm of
coast of Colombia, and 5 to 7 ft elsewhere. 
.TONIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. 
.THU...E winds 10 to 20 kt. Seas 4 to 6 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 3 to 5 ft. 
.FRI NIGHT...NE winds 10 to 20 kt within 90 nm of coast of
Colombia, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. 
.SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. 

SW Caribbean S of 11N

.TODAY...NE winds 15 to 25 kt. Seas 3 to 5 ft. 
.TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. 
.THU...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. 
.FRI...N winds less than 10 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...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...N winds 10 to 15 kt. Seas 3 to 4 ft. 

Caribbean between 64W and 72W

.TODAY...Gulf of Venezuela, E winds 20 to 25 kt, shifting to NE
10 to 20 kt in the afternoon. Elsewhere, E winds 15 to 25 kt.
Seas 4 to 6 ft. 
.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...Gulf of Venezuela, NE winds 10 to 20 kt, increasing
to 20 to 25 kt after midnight. Elsewhere, E winds 15 to 25 kt.
Seas 3 to 5 ft. 
.FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.FRI NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to
25 kt elsewhere. 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 4 ft. 
.SUN...E winds 10 to 20 kt. Seas 3 to 4 ft. 

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

...TROPICAL STORM WARNING...

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.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...HURRICANE CONDITIONS POSSIBLE. NE winds 80 to 90 kt,
becoming N 90 to 110 kt in the afternoon. Seas 8 to 11 ft. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 

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

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

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Tropical Storm Lee is near 13.7N 44.6W at 5 AM EDT, 
and is moving west-northwest at 12 kt. Maximum sustained winds 
are 55 kt with gusts to 65 kt, and the minimum central pressure
is 997 mb. Lee will strengthen to a hurricane near 14.3N 46.4W
this afternoon, move to 15.1N 48.8W Thu morning, 16.0N 51.3W Thu
afternoon, 17.0N 53.7W Fri morning, 18.1N 56.2W Fri afternoon, 
and 19.2N 58.4W Sat morning. Lee is forecast to become a major 
hurricane by late this week and could bring impacts to the 
Leeward Islands this weekend.

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

.TODAY...NW winds less than 10 kt. Seas 3 to 5 ft. 
.TONIGHT...W winds less than 10 kt, shifting to S 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 ft. 
.THU NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 
.FRI...S winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 ft. 
.SAT...S winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 3 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. 
.SUN...SE winds less than 10 kt. Seas 3 ft. 

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

.TODAY...NW winds less than 10 kt W of 70W, and W 10 to 15 kt
elsewhere. Seas 3 to 5 ft. 
.TONIGHT...W of 70W, SW winds less than 10 kt. Elsewhere, SW
winds less than 10 kt, shifting to S 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 kt. Seas 3 ft. 
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft W of 70W, and
5 to 7 ft elsewhere. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 

Bahamas N of 22N

.TODAY...NE winds less than 10 kt. Seas 3 to 4 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less. 
.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 10 to 15 kt. 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 in the morning, subsiding
to 2 ft or less. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. 
.SUN...E winds 10 to 15 kt. Seas 2 ft or less. 

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

.TODAY...NE winds less than 10 kt W of 70W, and S 10 to 15 kt
elsewhere. Seas 4 to 6 ft. 
.TONIGHT...E winds less than 10 kt W of 70W, and S 10 to 15 kt
elsewhere. 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 15 kt. Seas 3 to 5 ft. 
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 

ATLC waters S of 22N W of 65W

.TODAY...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 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 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 

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

.TODAY...E winds 10 to 15 kt, shifting to NE in the afternoon.
Seas 5 to 6 ft. 
.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...HURRICANE CONDITIONS POSSIBLE. NE winds 25 to 35 kt,
increasing to 35 to 45 kt in the afternoon. Seas 6 to 9 ft,
building to 8 to 13 ft in the afternoon. 
.FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SAT...HURRICANE CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE.