Offshore Forecast
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259
FZNT32 KNHC 261513
OFFN21

Marine Weather HF Voice Broadcast
NWS National Hurricane Center Miami, FL
1113 AM EDT Thu Sep 26 2024

Marine Weather HF Voice Broadcast for the Gulf of Mexico

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...Hurricane Helene is near 25.5N 85.5W at 11 AM EDT,
and is moving north-northeast at 12 kt. Maximum sustained winds
are 90 kt with gusts to 110 kt, and the minimum central pressure
is 960 mb. Helene will move to 28.8N 84.3W this evening, move
inland and weaken to a tropical storm near 33.9N 84.5W Fri
morning, weaken as an extratropical cyclone near 36.4N 86.6W Fri
evening, 36.5N 87.5W Sat morning, 36.3N 87.6W Sat evening, and
36.2N 87.2W Sun morning. Helene will dissipate early Mon. Winds
and seas related to Helene will prevail across the eastern Gulf
waters through late Fri. Light to gentle winds and slight seas
will prevail across the basin beginning on Sat through early
next week.

Gulf of Mexico N of 26N W of 87W

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. N winds
20 to 30 kt. Seas 9 to 14 ft.
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds 20 to
30 kt. Seas 11 to 16 ft.
.FRI...NW winds 10 to 20 kt. Seas 8 to 13 ft, subsiding to 6 to
9 ft in the afternoon.
.FRI NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...W winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...W winds 10 to 15 kt. Seas 3 ft.
.SUN...W winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less.
.SUN NIGHT...N winds less than 10 kt, shifting to SE after
midnight. Seas 2 ft or less.
.MON...NE winds less than 10 kt. Seas 2 ft or less.

Gulf of Mexico from 22N to 26N W of 87W

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. NW winds
20 to 30 kt. Seas 8 to 11 ft.
.TONIGHT...NW winds 20 to 30 kt, diminishing to 10 to 20 kt
after midnight. Seas 8 to 11 ft.
.FRI...NW winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 7 to 10 ft.
.FRI NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft.
.SAT...N winds less than 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE winds 10 to 15 kt, shifting to E after midnight.
Seas 3 to 4 ft.
.SUN...NE winds less than 10 kt. 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, diminishing to less than 10 kt in
the afternoon. Seas 2 ft or less.

SW Gulf of Mexico S of 22N W of 87W

.THIS AFTERNOON...NW winds 10 to 15 kt within 60 nm of coast of
Veracruz, and NW 15 to 25 kt elsewhere. Seas 2 ft or less within
60 nm of coast of Veracruz, and 4 to 6 ft elsewhere.
.TONIGHT...Within 60 nm of coast of Veracruz, NW winds 10 to
15 kt. Elsewhere, NW winds 10 to 15 kt, diminishing to less than
10 kt after midnight. Seas 4 to 6 ft.
.FRI...W winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...Within 60 nm of coast of Veracruz, NW winds 10 to
15 kt. Elsewhere, NW winds 10 to 15 kt, shifting to N after
midnight. Seas 3 to 5 ft.
.SAT...Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt.
Elsewhere, W winds less than 10 kt, increasing to 10 to 15 kt in
the afternoon. Seas 3 to 5 ft.
.SAT NIGHT...N winds 10 to 20 kt. Seas 3 to 4 ft.
.SUN...N winds 10 to 20 kt. Seas 3 ft in the morning, subsiding
to 2 ft or less.
.SUN NIGHT...NE winds 10 to 20 kt. Seas 2 ft or less.
.MON...NE winds 10 to 15 kt. Seas 2 ft or less.

Gulf of Mexico E of 87W

...HURRICANE WARNING...

.THIS AFTERNOON...HURRICANE CONDITIONS. S winds 75 to 90 kt.
Seas 18 to 28 ft.
.TONIGHT...HURRICANE CONDITIONS EXPECTED. W winds 80 to 100 kt,
diminishing to 40 to 50 kt after midnight. Seas 15 to 25 ft,
subsiding to 12 to 17 ft after midnight.
.FRI...SW winds 15 to 25 kt. Seas 8 to 13 ft, subsiding to 7 to
10 ft in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft.
.SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...S winds 10 to 15 kt, diminishing to less than 10 kt in
the afternoon. Seas 3 ft.
.SUN NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less.
.MON...SE winds 10 to 15 kt, shifting to E in the afternoon.
Seas 2 ft or less.