000
FZNT31 KNHC 251546
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1146 AM EDT Fri Aug 25 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...Light to gentle winds, locally moderate in the
S-central and SE Caribbean, and slight seas will prevail across
the basin through the weekend. Looking ahead, an area of low
pres in the NW Caribbean Sea on Sun is forecast to move
generally northward over the NW Caribbean Sea and eastern Gulf
of Mexico, and a tropical depression is likely to form late this
weekend or early next week. 

NW Caribbean W of 85W

.THIS AFTERNOON...W winds 10 to 15 kt. Seas 3 ft, subsiding to
2 ft or less. 
.TONIGHT...NE winds 10 to 15 kt, shifting to SE after midnight.
Seas 2 ft or less. 
.SAT...SW winds 10 to 15 kt. Seas 2 ft or less. 
.SAT NIGHT...E winds 10 to 15 kt, shifting to SE after midnight.
Seas 2 ft or less. 
.SUN...SW winds 10 to 15 kt. Seas 2 ft or less. 
.SUN NIGHT...S winds 10 to 20 kt. Seas 2 ft or less. 
.MON...SW winds 15 to 25 kt. Seas 2 ft or less, building to 3 to
4 ft in the afternoon. 
.MON NIGHT...SW winds 15 to 25 kt. Seas 3 to 4 ft. 
.TUE...SW winds 15 to 25 kt. Seas 3 to 4 ft. 

Caribbean N of 15N between 72W and 85W

.THIS AFTERNOON...S winds less than 10 kt S of 18N, and E 10 to
15 kt elsewhere. Seas 2 ft or less. 
.TONIGHT...SW winds less than 10 kt S of 18N, and E 10 to 15 kt
elsewhere. Seas 2 ft or less. 
.SAT...S of 18N, SW winds 10 to 15 kt, shifting to W in the
afternoon. Elsewhere, E winds less than 10 kt, shifting to SW in
the afternoon. Seas 2 ft or less. 
.SAT NIGHT...S of 18N, SW winds less than 10 kt. Elsewhere, W
winds 10 to 15 kt, shifting to SW after midnight. Seas 2 ft or
less. 
.SUN...S of 18N, S winds 10 to 15 kt. Elsewhere, S winds less
than 10 kt, shifting to SW in the afternoon. Seas 2 ft or less. 
.SUN NIGHT...S winds 10 to 20 kt. Seas 2 ft or less. 
.MON...SE winds 10 to 20 kt. Seas 2 ft or less, building to 3 ft
in the afternoon. 
.MON NIGHT...SE winds 10 to 20 kt S of 18N, and S 15 to 25 kt
elsewhere. Seas 3 ft. 
.TUE...SE winds 10 to 20 kt S of 18N, and S 15 to 25 kt
elsewhere. Seas 3 to 4 ft. 

Caribbean from 11N to 15N W of 72W

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 2 ft or less. 
.TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...E winds 10 to 15 kt within 90 nm of coast of Colombia,
and E less than 10 kt elsewhere. Seas 2 ft or less. 
.SAT NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 2 ft or less. 
.SUN...Within 90 nm of coast of Colombia, E winds less than
10 kt. Elsewhere, E winds less than 10 kt, shifting to SE in the
afternoon. 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 2 ft or less. 
.MON NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. 
.TUE...E winds 10 to 20 kt. Seas 3 to 4 ft. 

SW Caribbean S of 11N

.THIS AFTERNOON...E winds less than 10 kt. Seas 2 ft or less. 
.TONIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. 
.SAT...E winds less than 10 kt. Seas 2 ft or less. 
.SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. 
.SUN...SE winds less than 10 kt. Seas 2 ft or less.
.SUN NIGHT...Variable winds less than 10 kt, becoming NE less
than 10 kt after midnight. Seas 2 ft or less. 
.MON...SE winds less than 10 kt. Seas 2 ft or less.
.MON NIGHT...Variable winds less than 10 kt, becoming NE less
than 10 kt after midnight. Seas 2 ft or less. 
.TUE...SE winds less than 10 kt in the morning, becoming
variable winds less than 10 kt. Seas 2 ft or less. 

Caribbean between 64W and 72W

.THIS AFTERNOON...Gulf of Venezuela, NE winds less than 10 kt.
Elsewhere, SE winds less than 10 kt, increasing to 10 to 15 kt
in the afternoon. Seas 3 ft. 
.TONIGHT...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...E winds 10 to 15 kt. Seas 2 ft or less. 
.SUN...Gulf of Venezuela, E winds 10 kt in the morning, becoming
variable winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt.
Seas 2 ft or less. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to
3 to 4 ft after midnight. 
.MON...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela,
and 3 to 4 ft elsewhere. 
.MON NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere. 
.TUE...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...E winds less than 10 kt. Seas 3 to 4 ft. 
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...S winds less than 10 kt. Seas 3 to 4 ft. 
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. 
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. 
.TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.THIS AFTERNOON...SE winds less than 10 kt. Seas 3 ft. 
.TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 3 ft. 
.SAT...SE winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 3 ft. 
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON...E winds 10 to 20 kt. Seas 3 to 4 ft. 
.MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. 
.TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. 

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Tropical Storm Franklin is near 21.8N 67.8W at 11 AM
EDT, moving east-southeast at 4 kt. Maximum sustained winds are 
45 kt with gusts to 55 kt. Minimum central pressure is 1003 mb. 
Franklin will gradually turn NE later today and reach near 22.1 
Sat morning, near 25.2N 68.3W Sun morning as a hurricane, near 
28.7N 69.4W Sun morning, then move N-NE and exit the area to the
north by Mon morning. A stationary front extends from 31N66W to 
1010 mb low pres near 27.5N74.5W. Moderate to fresh NE winds and
seas to 7 ft will continue NW of the front through today. Winds 
may increase offshore Florida by Tue night due to a low pres 
system possibly moving through the eastern Gulf of Mexico. 

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

.THIS AFTERNOON...NE winds 10 to 15 kt. Seas 5 to 6 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. 
.SUN...E winds 10 kt. Seas 4 ft. 
.SUN NIGHT...SE winds 10 kt. Seas 4 to 5 ft. 
.MON...SE winds less than 10 kt. Seas 4 to 6 ft. 
.MON NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft. 
.TUE...SW winds 10 to 20 kt. Seas 4 to 6 ft. 

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. 
.TONIGHT...E winds 10 to 15 kt W of 70W, and SE less than 10 kt
elsewhere. Seas 5 to 6 ft. 
.SAT...E winds 10 to 20 kt. Seas 5 to 6 ft. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to
20 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 5 to 6 ft W of
70W, and 7 to 10 ft elsewhere. 
.SUN...HURRICANE CONDITIONS POSSIBLE. W of 70W, NE winds 10 to
20 kt. Elsewhere, E winds 20 to 30 kt, increasing to 30 to 40 kt
in the afternoon. Seas 5 to 7 ft W of 70W, and 9 to 14 ft
elsewhere. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.MON...HURRICANE CONDITIONS POSSIBLE. 
.MON NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.TUE...TROPICAL STORM CONDITIONS POSSIBLE. 

Bahamas N of 22N

.THIS AFTERNOON...N winds 10 to 15 kt. Seas 3 ft. 
.TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. 
.SAT...N winds 10 to 15 kt. Seas 3 ft. 
.SAT NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 3 ft. 
.SUN...S winds less than 10 kt. Seas 2 ft or less, building to
3 ft in the afternoon. 
.SUN NIGHT...S winds less than 10 kt. Seas 3 ft. 
.MON...SW winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 4 ft. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 ft. 
.TUE...S winds 10 to 15 kt. Seas 3 ft. 

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

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. NE winds 10 to
15 kt W of 70W, and E 35 to 45 kt elsewhere. Seas 5 to 7 ft W of
70W, and 8 to 11 ft elsewhere. 
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 10 to
15 kt W of 70W, and E 35 to 45 kt elsewhere. Seas 5 to 7 ft W of
70W, and 8 to 13 ft elsewhere. 
.SAT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 10 to 20 kt
W of 70W, and E 40 to 50 kt elsewhere. Seas 5 to 7 ft W of 70W,
and 9 to 14 ft elsewhere. 
.SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 10 to
20 kt W of 70W, and SE 45 to 60 kt elsewhere. Seas 5 to 7 ft W
of 70W, and 10 to 15 ft elsewhere. 
.SUN...HURRICANE CONDITIONS POSSIBLE. N winds 10 to 20 kt W of
70W, and S 55 to 70 kt elsewhere. Seas 6 to 9 ft W of 70W, and
10 to 15 ft elsewhere. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. 

ATLC waters S of 22N W of 65W

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. W winds 35 to
45 kt. Seas 4 to 6 ft. 
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W winds 35 to
45 kt. Seas 4 to 6 ft. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. W winds 20 to 30 kt,
diminishing to 10 to 20 kt in the afternoon. Seas 4 to 6 ft. 
.SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.MON NIGHT...S winds 10 to 15 kt, shifting to SE after midnight.
Seas 3 to 4 ft. 
.TUE...SE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 ft. 

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

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 ft. 
.TONIGHT...SE winds 15 to 25 kt. Seas 3 to 5 ft. 
.SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. 
.SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 5 ft. 
.SUN...S winds 10 to 20 kt. Seas 4 to 5 ft. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. 
.MON NIGHT...E winds 10 to 15 kt. Seas 4 ft. 
.TUE...E winds 10 to 15 kt. Seas 4 ft.