938
FZNT31 KNHC 242102
OFFN20

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
502 PM 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...Tropical Storm Helene is near 19.7N 84.7W at 5 PM
EDT, and is moving west-northwest at 10 kt. Maximum sustained
winds are 45 kt with gusts to 55 kt, and the minimum central
pressure is 995 mb. Helene will move to 20.4N 86.0W Wed morning,
strengthen to a hurricane near 21.7N 86.6W Wed afternoon, 23.7N
86.1W Thu morning, 27.0N 84.9W Thu afternoon, move inland and
weaken to a tropical storm near 31.5N 84.0W Fri morning, and
move inland and weaken to a tropical depression near 35.5N 84.8W
Fri afternoon. Helene will move inland near 38.2N 89.0W Sat
afternoon. Helene is expected to become a large and powerful
hurricane.

NW Caribbean W of 85W

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS. NW winds 30 to 40 kt,
becoming W 40 to 50 kt after midnight. Seas 8 to 11 ft, building
to 9 to 14 ft after midnight.
.WED...TROPICAL STORM CONDITIONS EXPECTED. SW winds 45 to
55 kt, increasing to 55 to 65 kt in the afternoon. Seas 11 to
16 ft.
.WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW winds 55 to
65 kt, diminishing to 35 to 45 kt after midnight. Seas 8 to
13 ft.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 25 to
35 kt, diminishing to 15 to 25 kt in the afternoon. Seas 6 to
9 ft.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI...SE winds less than 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft.

Caribbean N of 15N between 72W and 85W

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 15 to
25 kt S of 18N, and SE 35 to 45 kt elsewhere. Seas 4 to 6 ft S
of 18N, and 8 to 13 ft elsewhere.
.WED...TROPICAL STORM CONDITIONS EXPECTED. SE winds 15 to 25 kt
S of 18N, and SE 35 to 45 kt elsewhere. Seas 4 to 6 ft S of 18N,
and 8 to 11 ft elsewhere.
.WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 10 to
20 kt S of 18N, and S 30 to 40 kt elsewhere. Seas 4 to 6 ft S of
18N, and 7 to 10 ft elsewhere.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. S of 18N, SE winds
10 to 20 kt. Elsewhere, S winds 25 to 35 kt, diminishing to
15 to 25 kt in the afternoon. Seas 3 to 5 ft S of 18N, and 6 to
8 ft elsewhere.
.THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...SE winds 10 to 15 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.
.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.

Caribbean from 11N to 15N W of 72W

.TONIGHT...SE winds 10 to 20 kt. Seas 3 ft.
.WED...SE winds 10 to 20 kt. Seas 3 to 4 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...E winds 10 to 15 kt. Seas 3 ft.
.FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft in the evening,
subsiding to 2 ft or less.
.SAT...SE winds less than 10 kt within 90 nm of coast of
Colombia, and E 10 to 15 kt elsewhere. Seas 2 ft or less.
.SAT NIGHT...Within 90 nm of coast of Colombia, E winds less
than 10 kt, shifting to SE after midnight. Elsewhere, E winds
10 to 15 kt. Seas 2 ft or less.
.SUN...SE winds 10 to 15 kt. Seas 2 ft or less.

SW Caribbean S of 11N

.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.
.SAT NIGHT...W winds less than 10 kt, increasing to 10 to 15 kt
after midnight. Seas 2 ft or less.
.SUN...SW winds 10 to 15 kt. Seas 2 ft or less.

Caribbean between 64W and 72W

.TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 5 ft elsewhere.
.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 3 to 4 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela,
and 3 to 4 ft elsewhere.
.FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of
Venezuela, and 3 to 4 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
4 ft elsewhere.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...SW 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
4 ft elsewhere.

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

.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 4 to 6 ft.
.THU NIGHT...E winds 10 to 20 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.
.SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.
.SUN...E winds less than 10 kt. Seas 3 to 5 ft.

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

.TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft.
.WED...E winds 10 to 15 kt. Seas 3 to 4 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 20 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 4 ft.
.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.

Synopsis for the the SW N Atlantic including the Bahamas

.SYNOPSIS...Tropical Storm Helene is near 19.7N 84.7W at 5 PM
EDT, and is moving west-northwest at 10 kt. Maximum sustained
winds are 45 kt with gusts to 55 kt, and the minimum central
pressure is 995 mb. Helene will move to 20.4N 86.0W Wed morning,
strengthen to a hurricane near 21.7N 86.6W Wed afternoon, 23.7N
86.1W Thu morning, 27.0N 84.9W Thu afternoon, move inland and
weaken to a tropical storm near 31.5N 84.0W Fri morning, and
move inland and weaken to a tropical depression near 35.5N 84.8W
Fri afternoon. Helene will move inland near 38.2N 89.0W Sat
afternoon. Helene is expected to become a large and powerful
hurricane. As Helene moves across the eastern Gulf of Mexico,
expect strong winds and rough seas just E of the Florida
Peninsula to about 78W.

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

.TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.
.WED...SE winds 10 to 20 kt. Seas 5 to 6 ft.
.WED NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 15 to
25 kt. Seas 6 to 9 ft.
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 25 to
35 kt. Seas 8 to 13 ft.
.FRI...S winds 20 to 30 kt. Seas 8 to 13 ft.
.FRI NIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft.
.SAT...SW winds 10 to 20 kt. Seas 5 to 7 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...NW winds 10 to 15 kt. Seas 3 to 4 ft.

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

.TONIGHT...N winds 10 to 20 kt. Seas 6 to 7 ft.
.WED...N winds 10 to 15 kt. Seas 5 to 6 ft.
.WED NIGHT...E winds 10 to 15 kt W of 70W, and NE less than
10 kt elsewhere. Seas 5 to 6 ft.
.THU...E winds 10 to 20 kt. Seas 5 to 6 ft.
.THU NIGHT...W of 70W, SE winds 15 to 25 kt. Elsewhere, E winds
10 to 15 kt, diminishing to less than 10 kt after midnight. Seas
5 to 7 ft.
.FRI...S winds 15 to 25 kt W of 70W, and SE less than 10 kt
elsewhere. Seas 5 to 7 ft.
.FRI NIGHT...W of 70W, S winds 10 to 20 kt. Elsewhere, E winds
less than 10 kt, shifting to W after midnight. Seas 6 to 8 ft W
of 70W, and 5 to 6 ft elsewhere.
.SAT...W of 70W, SW winds 10 to 20 kt. Elsewhere, NW winds less
than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas
5 to 7 ft.
.SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...NW winds 10 to 15 kt. Seas 4 to 5 ft.

Bahamas N of 22N

.TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft.
.WED...SE winds 10 to 20 kt. Seas 3 to 4 ft.
.WED NIGHT...SE winds 15 to 25 kt. Seas 3 to 4 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...SE winds 10 to 20 kt. Seas 3 to 4 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...SE winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less.
.SUN...SE winds less than 10 kt, shifting to NE in the
afternoon. Seas 2 ft or less.

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

.TONIGHT...W of 70W, E winds 10 to 15 kt. Elsewhere, N winds
10 to 15 kt, diminishing to less than 10 kt after midnight. Seas
4 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 15 kt W of 70W, and E less than 10 kt
elsewhere. Seas 5 ft.
.THU...E winds 10 to 20 kt. Seas 5 to 6 ft.
.THU NIGHT...E winds 10 to 20 kt. 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 NE less than
10 kt elsewhere. Seas 5 to 6 ft.
.SAT...NE winds less than 10 kt. Seas 4 to 5 ft.
.SAT NIGHT...E winds 10 to 15 kt W of 70W, and N less than 10 kt
elsewhere. Seas 4 to 5 ft.
.SUN...W of 70W, N winds less than 10 kt, shifting to NW in the
afternoon. Elsewhere, NW winds less than 10 kt. Seas 4 to 5 ft.

ATLC waters S of 22N W of 65W

.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 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 20 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 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 3 to 5 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.

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

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