603
FZNT24 KNHC 251517
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
1117 AM 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.

GMZ001-260330-
Synopsis for the Gulf of Mexico
1117 AM EDT Wed Sep 25 2024

.SYNOPSIS...Hurricane Helene is near 21.6N 86.3W at 11 AM EDT,
and is moving north-northwest at 9 kt. Maximum sustained winds
are 70 kt with gusts to 85 kt, and the minimum central pressure is
979 mb. Helene will move to 23.0N 86.4W this evening, 25.7N 85.7W
Thu morning, 29.7N 84.6W Thu evening, move inland and weaken to a
tropical storm near 34.3N 85.0W Fri morning, and weaken to a
tropical depression near 36.6N 86.9W Fri evening. Marine conditions
will gradually improve across the Gulf waters beginning on Fri or
Fri night.

$$

GMZ040-260330-
NW Gulf including Stetson Bank-
1117 AM EDT Wed Sep 25 2024

.TODAY...N to NE winds 10 kt. Seas 3 ft or less.
.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 10 ft in E to SE
swell.
.FRI...NW to N winds 10 kt. Seas 7 to 10 ft in E swell.
.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.

$$

GMZ041-260330-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
1117 AM EDT Wed Sep 25 2024

.TODAY...N to NE winds 10 to 15 kt. Seas 3 ft or less.
.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 13 ft in SE swell in the afternoon.
.THU NIGHT...N winds 15 to 20 kt. Seas 10 to 15 ft in E to SE
swell.
.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.

$$

GMZ056-260330-
N Central Gulf Offshore Waters-
1117 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

.TODAY...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
showers and isolated tstms.
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to
30 kt. Seas 5 to 7 ft, building to 8 to 12 ft in SE swell late.
Scattered tstms.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. W of 89W, N winds
25 to 30 kt. E of 89W, N to NE winds 35 to 40 kt, becoming N
25 to 30 kt in the afternoon. Seas 12 to 19 ft in SE swell.
Scattered showers and isolated tstms.
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NW winds 25 to
30 kt. Seas 14 to 22 ft in E to SE swell. Scattered showers and
isolated 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.
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.

$$

GMZ057-260330-
NE Gulf N of 26N E of 87W-
1117 AM EDT Wed Sep 25 2024

...HURRICANE WARNING...

.TODAY...E to SE winds 20 to 25 kt. Seas 4 to 6 ft. Numerous
showers and scattered tstms.
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to
40 kt. Seas 7 to 11 ft in SE to S swell, building to 11 to 17 ft
in SE to S swell late. Scattered showers and isolated
tstms.
.THU...HURRICANE CONDITIONS EXPECTED. E winds 60 to 70 kt,
becoming W to NW 75 to 95 kt in the afternoon. Seas 18 to 27 ft
in S swell, building to 26 to 38 ft in S swell in the afternoon.
Numerous showers and isolated tstms. Vsby 1 NM or less.
.THU NIGHT...HURRICANE CONDITIONS EXPECTED. W of 85W, W to NW
winds 35 to 40 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 25 to 37 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.

$$

GMZ058-260330-
W Central Gulf from 22N to 26N W of 94W-
1117 AM EDT Wed Sep 25 2024

.TODAY...N to NE winds 10 to 15 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.TONIGHT...N to NE winds 10 to 15 kt. Seas 2 to 4 ft.
.THU...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Scattered
showers and isolated tstms.
.THU NIGHT...N winds 15 to 20 kt. Seas 6 to 9 ft in E swell.
Scattered showers and isolated tstms.
.FRI...N winds 10 kt. Seas 6 to 9 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.

$$

GMZ045-260330-
W Central Gulf from 22N to 26N between 91W and 94W-
1117 AM EDT Wed Sep 25 2024

.TODAY...N to NE winds 10 to 15 kt. Seas 2 to 4 ft.
.TONIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft in E swell.
.THU...NW to N winds 15 to 20 kt. Seas 7 to 11 ft in E swell.
Scattered showers and isolated tstms.
.THU NIGHT...NW to N winds 10 to 15 kt. Seas 7 to 11 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.

$$

GMZ046-260330-
Central Gulf from 22N to 26N between 87W and 91W-
1117 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS. N to NE winds 30 to 40 kt S
of 24N, and NE 25 to 30 kt N of 24N. Seas 9 to 13 ft in E to SE
swell. Scattered showers and isolated tstms.
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. N winds 40 to
45 kt. Seas 13 to 20 ft. 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 12 to 19 ft. Scattered
tstms.
.THU NIGHT...W to NW winds 15 to 20 kt. Seas 9 to 14 ft in NE
swell. Numerous showers and scattered tstms.
.FRI...W winds 10 kt. Seas 7 to 11 ft in N swell. Numerous
showers and 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.

$$

GMZ047-260330-
SE Gulf from 22N to 26N E of 87W including Straits of Florida-
1117 AM EDT Wed Sep 25 2024

...HURRICANE WARNING...

.TODAY...TROPICAL STORM CONDITIONS. S of 24N, E to SE winds
45 to 55 kt, increasing to 60 to 70 kt in the afternoon. N of
24N, E winds 30 to 40 kt. Seas 12 to 18 ft in SE swell. Scattered
showers and isolated tstms.
.TONIGHT...HURRICANE CONDITIONS EXPECTED. S of 24N, S winds
65 to 80 kt. N of 24N, E to SE winds 35 to 45 kt, increasing to
80 to 90 kt late. Seas 19 to 29 ft in S swell. Numerous
showers and isolated tstms. Vsby 1 NM or less.
.THU...HURRICANE CONDITIONS EXPECTED. S of 24N, SW winds 35 to
40 kt, diminishing to 25 to 30 kt in the afternoon. N of 24N, S
to SW winds 75 to 95 kt, becoming SW 35 to 40 kt in the
afternoon. Seas 21 to 32 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.

$$

GMZ048-260330-
SW Gulf S of 22N W of 94W-
1117 AM EDT Wed Sep 25 2024

.TODAY...NW winds 10 kt. Seas 3 ft or less. Scattered showers and
isolated tstms.
.TONIGHT...NW 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 tstms.
.THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Scattered
showers and isolated tstms.
.FRI...NW winds 10 to 15 kt. Seas 4 to 6 ft. Numerous showers and
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.

$$

GMZ049-260330-
Central Bay of Campeche-
1117 AM EDT Wed Sep 25 2024

.TODAY...NW winds 10 to 15 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.TONIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.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 4 to 6 ft. Scattered
showers and isolated tstms.
.FRI...W winds 10 kt. Seas 4 to 6 ft in NE swell. Scattered tstms
and numerous showers.
.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.

$$

GMZ050-260330-
E Bay of Campeche including Campeche Bank-
1117 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS. NW winds 15 to 20 kt W of
90W, and NW to N 35 to 40 kt E of 90W. Seas 6 to 8 ft in NE
swell. Scattered showers and isolated tstms.
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, W to NW
winds 15 to 20 kt. E of 90W, NW winds 30 to 35 kt, becoming W to
NW 20 to 25 kt late. Seas 7 to 11 ft in N to NE swell.
Scattered showers and isolated tstms.
.THU...W winds 20 to 25 kt. Seas 6 to 9 ft in N to NE swell.
Numerous showers and scattered tstms.
.THU NIGHT...W winds 10 to 15 kt. Seas 5 to 7 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.

$$

Forecaster GR