269
FZNT24 KNHC 252105
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
505 PM EDT Wed Sep 25 2024

Offshore Waters Forecast 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.

GMZ001-260915-
Synopsis for the Gulf of Mexico
505 PM EDT Wed Sep 25 2024

.SYNOPSIS...Hurricane Helene is near 22.5N 86.6W at 5 PM EDT, and
is moving north at 10 kt. Maximum sustained winds are 75 kt with
gusts to 90 kt, and the minimum central pressure is 978 mb. Helene
will move to 24.1N 86.2W Thu morning, 27.4N 85.2W Thu afternoon,
inland N of the area near 32.1N 84.6W Fri morning, and weaken as
an extratropical cyclone near 37.1N 88.1W Sat morning. Marine
conditions will gradually improve across the Gulf waters beginning
on Fri or Fri night.

$$

GMZ040-260915-
NW Gulf including Stetson Bank-
505 PM EDT Wed Sep 25 2024

.TONIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less.
.THU...N winds 15 to 20 kt. Seas 4 to 6 ft.
.THU NIGHT...N winds 10 to 15 kt. Seas 7 to 11 ft in E to SE
swell. Scattered showers and isolated tstms.
.FRI...NW to N winds 10 kt. Seas 7 to 10 ft in E swell. Scattered
showers and isolated tstms.
.FRI NIGHT...NW to N winds 10 kt, shifting to SW to W late. Seas
6 to 8 ft in E swell.
.SAT...W to NW winds 10 kt. Seas 4 to 6 ft in E swell.
.SAT NIGHT...W to NW winds 10 kt, shifting to SW late.
Seas 2 to 4 ft.
.SUN...NW winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...NE winds 10 kt. Seas 3 ft or less.
.MON...N winds 10 kt. Seas 3 ft or less.

$$

GMZ041-260915-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
505 PM EDT Wed Sep 25 2024

.TONIGHT...N to NE winds 15 to 20 kt. Seas 3 to 5 ft.
.THU...N winds 15 to 20 kt. Seas 6 to 9 ft in SE swell, building
to 9 to 14 ft in SE swell in the afternoon.
.THU NIGHT...N winds 15 to 20 kt. Seas 11 to 17 ft in E to SE
swell. Scattered showers and isolated tstms.
.FRI...NW to N winds 10 to 15 kt. Seas 9 to 13 ft in E swell.
.FRI NIGHT...W to NW winds 10 kt. Seas 5 to 7 ft in NE to E
swell.
.SAT...W winds 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...W winds 10 kt. Seas 3 ft or less.
.SUN...NW winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...N winds 10 kt. Seas 3 ft or less.
.MON...N winds 10 kt. Seas 3 ft or less.

$$

GMZ056-260915-
N Central Gulf Offshore Waters-
505 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to
30 kt. Seas 5 to 7 ft, building to 9 to 13 ft in SE swell late.
Numerous showers and scattered tstms.
.THU...TROPICAL STORM CONDITIONS EXPECTED. N winds 25 to 30 kt W
of 89W, and N 30 to 35 kt E of 89W. Seas 14 to 22 ft in SE swell.
Scattered showers and isolated tstms.
.THU NIGHT...NW winds 25 to 30 kt. Seas 15 to 23 ft in E to SE
swell. Numerous showers and scattered tstms.
.FRI...W to NW winds 15 to 20 kt. Seas 10 to 15 ft in N to NE
swell, subsiding to 7 to 10 ft in N to NE swell in the afternoon.
Numerous showers and scattered tstms.
.FRI NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in N swell.
.SAT...W winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...SW to W winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...W to NW winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...N to NE winds 10 kt, shifting to E to SE late. Seas
3 ft or less.
.MON...NW to N winds 10 kt. Seas 3 ft or less.

$$

GMZ057-260915-
NE Gulf N of 26N E of 87W-
505 PM EDT Wed Sep 25 2024

...HURRICANE WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS. E winds 25 to 30 kt,
increasing to 35 to 40 kt late. Seas 8 to 12 ft in SE
to S swell, building to 13 to 20 ft in SE to S swell late.
Scattered showers and isolated tstms.
.THU...HURRICANE CONDITIONS EXPECTED. E winds 50 to 60 kt,
becoming S 85 to 105 kt in the afternoon. Seas 21 to 32 ft in S
swell, building to 30 to 45 ft in S swell in the afternoon.
Numerous showers and isolated tstms. Vsby 1 NM or less.
.THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED WITH HURRICANE
CONDITIONS POSSIBLE. W of 85W, W to NW winds 35 to 45 kt,
becoming W 25 to 30 kt late. E of 85W, SW winds 45 to
55 kt, becoming SW to W 25 to 30 kt late. Seas 26 to
39 ft in SE to S swell, subsiding to 14 to 22 ft in SW swell
late. Scattered showers and isolated tstms.
.FRI...SW to W winds 20 to 25 kt. Seas 9 to 13 ft in NW swell.
Numerous showers and scattered tstms.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in NW
swell.
.SAT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...SW winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...S winds 10 kt. Seas 3 ft or less.
.MON...S to SW winds 10 kt. Seas 3 ft or less.

$$

GMZ058-260915-
W Central Gulf from 22N to 26N W of 94W-
505 PM EDT Wed Sep 25 2024

.TONIGHT...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered
showers and isolated tstms.
.THU...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in E swell.
.THU NIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft in E swell.
Scattered showers and isolated tstms.
.FRI...N winds 10 kt. Seas 7 to 10 ft in NE to E swell. Scattered
showers and isolated tstms.
.FRI NIGHT...N to NE winds 10 kt. Seas 6 to 8 ft in NE to E
swell.
.SAT...NW to N winds 10 kt. Seas 5 to 7 ft in NE to E swell.
.SAT NIGHT...NE winds 10 kt. Seas 3 to 5 ft.
.SUN...N winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...NE winds 10 kt. Seas 3 ft or less.
.MON...N winds 10 kt. Seas 3 ft or less.

$$

GMZ045-260915-
W Central Gulf from 22N to 26N between 91W and 94W-
505 PM EDT Wed Sep 25 2024

.TONIGHT...N winds 15 to 20 kt. Seas 6 to 9 ft in E swell.
Scattered showers and isolated tstms.
.THU...NW to N winds 15 to 20 kt. Seas 8 to 12 ft in E swell.
.THU NIGHT...NW to N winds 10 to 15 kt. Seas 8 to 12 ft in NE to
E swell. Scattered showers and isolated tstms.
.FRI...N winds 10 kt. Seas 7 to 11 ft in NE to E swell. Scattered
showers and isolated tstms.
.FRI NIGHT...N to NE winds 10 kt. Seas 6 to 8 ft in NE swell.
.SAT...N to NE winds 10 kt. Seas 4 to 6 ft in NE swell.
.SAT NIGHT...NE winds 10 kt. Seas 2 to 4 ft.
.SUN...NE winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...NE winds 10 kt. Seas 3 ft or less.
.MON...NE winds 10 kt. Seas 3 ft or less.

$$

GMZ046-260915-
Central Gulf from 22N to 26N between 87W and 91W-
505 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS. N winds 40 to 45 kt. Seas
14 to 21 ft in E to SE swell. Scattered showers and isolated
tstms.
.THU...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, W to NW
winds 25 to 30 kt. N of 24N, NW to N winds 35 to 40 kt, becoming
NW 25 to 30 kt in the afternoon. Seas 14 to 21 ft in NE to E
swell.
.THU NIGHT...W to NW winds 15 to 20 kt. Seas 10 to 15 ft in NE
swell. Numerous showers and scattered tstms.
.FRI...W winds 10 kt. Seas 7 to 11 ft in N swell. Scattered
tstms.
.FRI NIGHT...NW to N winds 10 kt, shifting to E to SE late. Seas
5 to 7 ft in N to NE swell.
.SAT...S to SW winds 10 kt. Seas 4 to 6 ft in N swell.
.SAT NIGHT...E winds 10 kt. Seas 2 to 4 ft.
.SUN...SE winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...E winds 10 kt. Seas 3 ft or less.
.MON...E winds 10 kt. Seas 3 ft or less.

$$

GMZ047-260915-
SE Gulf from 22N to 26N E of 87W including Straits of Florida-
505 PM EDT Wed Sep 25 2024

...HURRICANE WARNING...

.TONIGHT...HURRICANE CONDITIONS. S of 24N, S winds 65 to 85 kt.
N of 24N, E to SE winds 35 to 45 kt, increasing to 70 to 90 kt
late. Seas 21 to 32 ft in S swell. Numerous showers and
isolated tstms. Vsby 1 NM or less.
.THU...HURRICANE CONDITIONS EXPECTED. S of 24N, SW winds 40 to
45 kt, diminishing to 25 to 30 kt in the afternoon. N of 24N, S
to SW winds 80 to 100 kt, becoming SW 35 to 45 kt in the
afternoon. Seas 23 to 35 ft in SW swell. Scattered showers and
isolated tstms.
.THU NIGHT...SW to W winds 25 to 30 kt. Seas 12 to 19 ft in W
swell, subsiding to 9 to 13 ft in W to NW swell late.
Numerous showers and scattered tstms.
.FRI...SW winds 15 to 20 kt. Seas 7 to 10 ft in NW to N swell.
Numerous showers and scattered tstms.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in NW to N
swell.
.SAT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...SE to S winds 10 kt. Seas 2 to 4 ft.
.SUN...SE to S winds 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...E to SE winds 10 kt. Seas 3 ft or less.
.MON...E winds 10 kt. Seas 3 ft or less.

$$

GMZ048-260915-
SW Gulf S of 22N W of 94W-
505 PM EDT Wed Sep 25 2024

.TONIGHT...NW to N winds 10 to 15 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.THU...NW winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers
and isolated tstms.
.THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Numerous
showers and scattered tstms.
.FRI...NW winds 10 to 15 kt. Seas 4 to 6 ft. Scattered tstms.
.FRI NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN...NW to N winds 10 to 15 kt. Seas 3 to 5 ft.
.SUN NIGHT...NW to N winds 10 to 15 kt. Seas 2 to 4 ft.
.MON...NW to N winds 10 to 15 kt. Seas 2 to 4 ft.

$$

GMZ049-260915-
Central Bay of Campeche-
505 PM EDT Wed Sep 25 2024

.TONIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. Scattered
showers and isolated tstms.
.THU...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. Scattered
showers and isolated tstms.
.THU NIGHT...W to NW winds 10 to 15 kt. Seas 5 to 7 ft in NE
swell. Numerous showers and scattered tstms.
.FRI...W winds 10 kt. Seas 5 to 7 ft in NE swell. Scattered
tstms.
.FRI NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in N to NE
swell.
.SAT...W winds 10 kt. Seas 4 to 6 ft in N to NE swell.
.SAT NIGHT...N winds 10 kt. Seas 2 to 4 ft.
.SUN...NW winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...N to NE winds 10 kt. Seas 3 ft or less.
.MON...N winds 10 kt. Seas 3 ft or less.

$$

GMZ050-260915-
E Bay of Campeche including Campeche Bank-
505 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, W to NW
winds 15 to 20 kt. E of 90W, NW winds 35 to 40 kt, becoming W to
NW 25 to 30 kt late. Seas 7 to 11 ft in N to NE swell.
Numerous showers and scattered tstms.
.THU...W winds 20 to 25 kt. Seas 7 to 10 ft in N to NE swell.
Scattered showers and isolated tstms.
.THU NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in N swell.
Numerous showers and scattered tstms.
.FRI...SW to W winds 10 kt. Seas 4 to 6 ft in N swell. Numerous
showers and scattered tstms.
.FRI NIGHT...NW winds 10 kt, shifting to SE to S late.
Seas 4 to 6 ft in N swell.
.SAT...S to SW winds 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...N to NE winds 10 kt, shifting to SE late.
Seas 2 to 4 ft.
.SUN...SE to S winds 10 kt, shifting to SW in the afternoon. Seas
3 ft or less.
.SUN NIGHT...N to NE winds 10 kt, shifting to E to SE late. Seas
3 ft or less.
.MON...SE winds 10 kt, shifting to NE in the afternoon. Seas 3 ft
or less.

$$

Forecaster GR