000
FZNT31 KNHC 230320
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1120 PM EDT Tue Aug 22 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...Tropical Storm Franklin is near 16.4N 71.4W at 11 PM
EDT moving north at 8 kt. Maximum sustained winds are 35 kt with
gusts to 45 kt, and the minimum central pressure is 1002 mb.
Franklin will move to near 17.6N 71.2W early Wed, inland over
the Dominican Republic Wed, emerge off the N coast of Hispaniola
near 20.0N 70.6W Wed evening, reach near 22N69W Thu evening,
23N67W Fri evening, and strengthen to a hurricane near 25N67W
Sat evening. Conditions in the Caribbean will improve Wed night.

NW Caribbean W of 85W

.OVERNIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. 
.THU...E winds less than 10 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds less than 10 kt. Seas 3 ft. 
.FRI...NE winds less than 10 kt. Seas 2 ft or less.
.FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less,
building to 3 ft after midnight. 
.SAT...N winds less than 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less. 
.SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.SUN...SW winds less than 10 kt, shifting to NW in the
afternoon. Seas 2 ft or less. 

Caribbean N of 15N between 72W and 85W

.OVERNIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. 
.WED...E winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU...SE winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU NIGHT...S of 18N, S winds less than 10 kt, increasing to
10 to 15 kt after midnight. Elsewhere, SE winds less than 10 kt.
Seas 3 ft in the evening, subsiding to 2 ft or less. 
.FRI...S winds 10 to 15 kt S of 18N, and SE less than 10 kt
elsewhere. Seas 2 ft or less. 
.FRI NIGHT...S winds less than 10 kt. Seas 2 ft or less. 
.SAT...S of 18N, SW winds less than 10 kt, increasing to 10 to
15 kt in the afternoon. Elsewhere, SE winds less than 10 kt,
shifting to W in the afternoon. Seas 2 ft or less. 
.SAT NIGHT...S of 18N, SW winds 10 to 15 kt, diminishing to less
than 10 kt after midnight. Elsewhere, S winds less than 10 kt.
Seas 2 ft or less. 
.SUN...SW winds less than 10 kt. Seas 2 ft or less. 

Caribbean from 11N to 15N W of 72W

.OVERNIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. 
.WED...SW winds 15 to 25 kt. Seas 4 to 6 ft. 
.WED NIGHT...Within 90 nm of coast of Colombia, W winds 10 to
15 kt, shifting to S after midnight. Elsewhere, SW winds 15 to
25 kt. Seas 4 to 6 ft. 
.THU...S winds 10 to 20 kt. Seas 3 to 4 ft. 
.THU NIGHT...Within 90 nm of coast of Colombia, N winds less
than 10 kt, shifting to NE after midnight. Elsewhere, S winds
10 to 15 kt, shifting to E after midnight. Seas 3 ft. 
.FRI...SE winds 10 to 15 kt. Seas 3 ft in the morning, subsiding
to 2 ft or less. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SUN...SE winds less than 10 kt. Seas 2 ft or less. 

SW Caribbean S of 11N

.OVERNIGHT...SW winds 20 to 30 kt. Seas 4 to 6 ft. 
.WED...SW winds 15 to 25 kt. Seas 4 to 6 ft. 
.WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU...SE winds 10 to 15 kt. Seas 3 ft. 
.THU NIGHT...NE winds 10 to 15 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less. 
.FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less. 
.FRI NIGHT...NE winds less than 10 kt. Seas 2 ft or less. 
.SAT...E winds less than 10 kt. Seas 2 ft or less. 
.SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. 
.SUN...S winds less than 10 kt. Seas 2 ft or less. 

Caribbean between 64W and 72W

...TROPICAL STORM WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS. NE winds less than
10 kt Gulf of Venezuela, and SE 25 to 35 kt elsewhere. Seas 2 ft
or less Gulf of Venezuela, and 10 to 15 ft elsewhere. 
.WED...TROPICAL STORM CONDITIONS EXPECTED. N winds less than
10 kt Gulf of Venezuela, and SE 30 to 40 kt elsewhere. Seas 2 ft
or less Gulf of Venezuela, and 7 to 11 ft elsewhere, subsiding to
5 to 7 ft elsewhere in the afternoon.
.WED NIGHT...N winds 10 to 20 kt Gulf of Venezuela, and SE 15 to
25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to
6 ft elsewhere. 
.THU...N winds less than 10 kt Gulf of Venezuela, and SE 10 to
20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to
4 ft elsewhere. 
.THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 4 ft elsewhere. 
.FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less Gulf of Venezuela, and 3 ft
elsewhere. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...NE winds less than 10 kt Gulf of Venezuela, and SE 10 to
15 kt elsewhere. Seas 2 ft or less. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 3 ft. 
.SUN...NE winds less than 10 kt Gulf of Venezuela, and SE 10 to
20 kt elsewhere. Seas 3 ft. 

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

.OVERNIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.WED NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. 
.THU...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...NE 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 less than 10 kt. Seas 3 to 4 ft. 
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. 
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. 

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

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.THU...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.THU NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Tropical Storm Franklin is in the Caribbean Sea near
16.4N 71.4W at 11 PM EDT, moving north at 8 kt. Maximum 
sustained winds are 35 kt with gusts to 45 kt, and the minimum 
central pressure is 1002 mb. Franklin will move to near 17.6N 
71.2W early Wed, inland over the Dominican Republic Wed, emerge 
off the N coast of Hispaniola near 20.0N 70.6W Wed evening,
reach near 22N69W Thu evening, 23N67W Fri evening, strengthen to
a hurricane near 25N67W Sat evening and move to near 29N68W Sun 
evening. A cold front is expected to move across the waters E of 
northern Florida Wed afternoon through Thu followed by fresh to 
strong northeast winds and building seas. 

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

.OVERNIGHT...E winds less than 10 kt. Seas 3 to 4 ft. 
.WED...NE winds less than 10 kt, increasing to 10 to 20 kt in
the afternoon. Seas 3 to 4 ft. 
.WED NIGHT...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...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...NE winds less than 10 kt. Seas 4 to 5 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN...E winds less than 10 kt. Seas 4 ft. 

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

.OVERNIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. 
.WED...W of 70W, NE winds less than 10 kt, increasing to 10 to
15 kt in the afternoon. Elsewhere, W winds less than 10 kt. Seas
3 to 4 ft. 
.WED NIGHT...W of 70W, E winds 10 to 20 kt. Elsewhere, W winds
less than 10 kt, shifting to SE after midnight. Seas 3 to 5 ft. 
.THU...E winds 15 to 25 kt W of 70W, and E less than 10 kt
elsewhere. Seas 5 to 7 ft. 
.THU NIGHT...W of 70W, E winds 10 to 20 kt. Elsewhere, E winds
10 to 15 kt, diminishing to less than 10 kt after midnight. Seas
5 to 7 ft. 
.FRI...NE winds 10 to 15 kt W of 70W, and E less than 10 kt
elsewhere. Seas 5 to 6 ft. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 

Bahamas N of 22N

.OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.WED...NE winds 10 to 20 kt. Seas 3 to 4 ft. 
.WED NIGHT...NE winds 10 to 20 kt. Seas 3 ft. 
.THU...NE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft. 
.THU NIGHT...NE winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 3 to 4 ft. 
.FRI...NE winds less than 10 kt. Seas 3 ft. 
.FRI NIGHT...NE winds less than 10 kt. Seas 3 ft.
.SAT...NE winds less than 10 kt. Seas 3 ft. 
.SAT NIGHT...NE winds less than 10 kt. Seas 3 ft. 
.SUN...N winds less than 10 kt. Seas 2 ft or less. 

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

...TROPICAL STORM WARNING...

.OVERNIGHT...SE winds 10 to 20 kt. Seas 4 to 5 ft. 
.WED...SE winds 10 to 20 kt. Seas 4 to 5 ft. 
.WED NIGHT...SE winds 20 to 30 kt. Seas 4 to 6 ft. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 30 kt
W of 70W, and SE 25 to 35 kt elsewhere. Seas 8 to 12 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to
20 kt W of 70W, and SE 30 to 40 kt elsewhere. Seas 5 to 7 ft W
of 70W, and 10 to 15 ft elsewhere. 
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.SUN...HURRICANE CONDITIONS POSSIBLE. 

ATLC waters S of 22N W of 65W

...TROPICAL STORM WARNING...

.OVERNIGHT...SE winds 15 to 25 kt. Seas 4 to 6 ft. 
.WED...TROPICAL STORM CONDITIONS POSSIBLE. E winds 25 to 35 kt. 
Seas 6 to 8 ft. 
.WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 25 to
35 kt. Seas 8 to 12 ft. 
.THU...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 25 to
35 kt. Seas 7 to 11 ft. 
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W winds 25 to
30 kt. Seas 6 to 9 ft. 
.FRI...TROPICAL STORM CONDITIONS POSSIBLE. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft. 

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

.OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. 
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 
.WED NIGHT...E winds less than 10 kt, shifting to SE after
midnight. Seas 4 to 5 ft. 
.THU...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.THU NIGHT...E winds 10 to 15 kt. Seas 4 ft. 
.FRI...E winds 15 to 25 kt. Seas 4 ft. 
.FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. 
.SAT NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. 
.SUN...S winds 10 to 20 kt. Seas 4 to 5 ft.