964
FZNT31 KNHC 240915
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
515 AM EDT Tue Sep 24 2024

Marine Weather HF Voice Broadcast for the Tropical N Atlantic
from 07N to 19N W of 55W, the N Atlantic from 19N to
31N W of 55W including the 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 W of 55W

.SYNOPSIS...Potential Tropical Cyclone Nine is near 18.9N 83.0W
at 5 AM EDT, and is moving northwest at 7 kt. Maximum sustained
winds are 30 kt with gusts to 40 kt, and the minimum central
pressure is 1001 mb. Nine will move to 19.6N 84.2W this
afternoon, 20.7N 85.7W Wed morning, 22.0N 86.2W Wed afternoon,
24.3N 85.6W Thu morning, and 27.8N 84.4W Thu afternoon.
Widespread showers and thunderstorms will continue across the W
and NW Caribbean through Wed as Nine moves through and then exits
the region.

NW Caribbean W of 85W

...HURRICANE WARNING...

.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. N winds 25 to
35 kt. Seas 5 to 7 ft.
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NW winds 30 to
40 kt, becoming W 40 to 50 kt after midnight. Seas 7 to 10 ft.
.WED...TROPICAL STORM CONDITIONS EXPECTED. W winds 45 to 55 kt,
becoming SW 55 to 65 kt in the afternoon. Seas 8 to 11 ft.
.WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW winds 45 to
55 kt, diminishing to 30 to 40 kt after midnight. Seas 7 to
10 ft.
.THU...SW winds 20 to 30 kt. Seas 5 to 7 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...S winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean N of 15N between 72W and 85W

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS EXPECTED. S of 18N, SE winds
20 to 30 kt. Elsewhere, SE winds 20 to 30 kt, increasing to
30 to 40 kt in the afternoon. Seas 4 to 6 ft S of 18N, and 6 to
9 ft elsewhere.
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 15 to
25 kt S of 18N, and SE 40 to 50 kt elsewhere. Seas 5 to 7 ft S
of 18N, and 7 to 10 ft elsewhere.
.WED...TROPICAL STORM CONDITIONS EXPECTED. SE winds 15 to 25 kt
S of 18N, and S 35 to 45 kt elsewhere. Seas 5 to 7 ft S of 18N,
and 7 to 10 ft elsewhere.
.WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 18N, SE
winds 10 to 20 kt. Elsewhere, S winds 35 to 45 kt, diminishing
to 25 to 35 kt after midnight. Seas 4 to 6 ft S of 18N, and 6 to
9 ft elsewhere.
.THU...SE winds 10 to 20 kt S of 18N, and S 20 to 30 kt
elsewhere. Seas 5 to 7 ft.
.THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.

Caribbean from 11N to 15N W of 72W

.TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.WED...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 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...SE 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 less than 10 kt within 90 nm of coast of
Colombia, and E 10 to 15 kt elsewhere. Seas 3 ft.

SW Caribbean S of 11N

.TODAY...S winds 10 to 15 kt. Seas 2 ft or less.
.TONIGHT...S winds 10 to 15 kt. Seas 2 ft or less.
.WED...SW winds 10 to 15 kt. Seas 2 ft or less.
.WED NIGHT...SW winds less than 10 kt. Seas 2 ft or less.
.THU...SW winds less than 10 kt. Seas 2 ft or less.
.THU NIGHT...Variable winds less than 10 kt. Seas 2 ft or less.
.FRI...Variable winds less than 10 kt, becoming SW less than
10 kt in the afternoon. Seas 2 ft or less.
.FRI NIGHT...NW winds less than 10 kt. Seas 2 ft or less.
.SAT...W winds less than 10 kt. Seas 2 ft or less.

Caribbean between 64W and 72W

.TODAY...E winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere.
.TONIGHT...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft or
less, building to 3 ft after midnight. Elsewhere, seas 3 to
5 ft.
.WED...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the
morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere.
.THU...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela,
and 3 to 5 ft elsewhere.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...NE winds less than 10 kt Gulf of Venezuela, and E 10 to
20 kt elsewhere. Seas 3 to 4 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere.
.SAT...NE winds less than 10 kt Gulf of Venezuela, and E 10 to
15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to
5 ft elsewhere.

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

.TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU...E winds 10 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...E winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 4 to 6 ft.
.SAT...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

.TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU...E winds 10 to 15 kt. Seas 3 to 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...E winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 5 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Potential Tropical Cyclone Nine is near 18.9N 83.0W
at 5 AM EDT, and is moving northwest at 7 kt. Maximum sustained
winds are 30 kt with gusts to 40 kt, and the minimum central
pressure is 1001 mb. Nine will move to 19.6N 84.2W this afternoon,
20.7N 85.7W Wed morning, 22.0N 86.2W Wed afternoon, 24.3N 85.6W
Thu morning, 27.8N 84.4W Thu afternoon, and inland to 31.9N 83.5W
Fri morning. Nine will bring strong winds and large seas to
areas offshore Florida and N of the Bahamas late this week.
Tropical storm force winds are expected across portions of
central and northeast Florida coastal waters Thu through early
Fri.

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

.TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.
.WED...E winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to 35 kt.
Seas 6 to 9 ft.
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE.
.FRI...S winds 25 to 30 kt. Seas 8 to 13 ft.
.FRI NIGHT...SW winds 15 to 25 kt. Seas 7 to 10 ft.
.SAT...SW winds 10 to 20 kt. Seas 5 to 7 ft.

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

.TODAY...NW winds 10 to 20 kt. Seas 6 to 8 ft.
.TONIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft.
.WED...N winds 10 to 15 kt. Seas 6 to 7 ft.
.WED NIGHT...E winds 10 to 20 kt W of 70W, and NE less than
10 kt elsewhere. Seas 6 ft.
.THU...SE winds 10 to 20 kt W of 70W, and E less than 10 kt
elsewhere. Seas 6 to 7 ft.
.THU NIGHT...SE winds 15 to 25 kt W of 70W, and E less than
10 kt elsewhere. Seas 6 to 7 ft.
.FRI...S winds 15 to 25 kt W of 70W, and E 10 kt elsewhere. Seas
6 to 8 ft.
.FRI NIGHT...W of 70W, S winds 15 to 25 kt. Elsewhere, Variable
winds less than 10 kt, becoming SE less than 10 kt after
midnight. Seas 5 to 7 ft.
.SAT...SW winds 10 to 20 kt W of 70W, and NW less than 10 kt
elsewhere. Seas 5 to 7 ft.

Bahamas N of 22N

.TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.WED...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.WED NIGHT...SE winds 15 to 25 kt. Seas 3 to 5 ft.
.THU...SE winds 15 to 25 kt. Seas 3 to 5 ft.
.THU NIGHT...SE winds 15 to 25 kt. Seas 3 to 5 ft.
.FRI...S winds 15 to 25 kt. Seas 3 to 4 ft.
.FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft.
.SAT...SE winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 to 4 ft.

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

.TODAY...N winds less than 10 kt. Seas 4 to 6 ft.
.TONIGHT...W of 70W, E winds 10 to 15 kt. Elsewhere, NW winds
10 to 15 kt, shifting to N after midnight. Seas 5 to 6 ft.
.WED...E winds 10 to 15 kt W of 70W, and NE less than 10 kt
elsewhere. Seas 5 to 6 ft.
.WED NIGHT...E winds 10 to 20 kt W of 70W, and NE less than
10 kt elsewhere. Seas 5 to 6 ft.
.THU...SE winds 10 to 20 kt W of 70W, and E less than 10 kt
elsewhere. Seas 5 to 6 ft.
.THU NIGHT...SE winds 10 to 20 kt W of 70W, and E less than
10 kt elsewhere. Seas 5 to 6 ft.
.FRI...SE winds 10 to 20 kt W of 70W, and E less than 10 kt
elsewhere. Seas 5 to 6 ft.
.FRI NIGHT...SE winds 10 to 15 kt W of 70W, and E less than
10 kt elsewhere. Seas 5 to 6 ft.
.SAT...E winds less than 10 kt. Seas 4 to 5 ft.

ATLC waters S of 22N W of 65W

.TODAY...SE winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 4 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.
.WED...E winds 10 to 15 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 5 ft.
.THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI...E winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft.

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

.TODAY...S winds less than 10 kt. Seas 4 ft.
.TONIGHT...E winds less than 10 kt. Seas 4 ft.
.WED...E winds less than 10 kt. Seas 4 to 5 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 5 ft.
.THU...E winds 10 to 15 kt. Seas 5 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 ft.
.FRI...E winds 10 to 15 kt. Seas 5 to 6 ft.
.FRI NIGHT...E winds 10 kt. Seas 5 to 6 ft.
.SAT...E winds 10 to 15 kt. Seas 5 to 6 ft.