919
FZNT24 KNHC 260305
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
1105 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.

GMZ001-261515-
Synopsis for the Gulf of Mexico
1105 PM EDT Wed Sep 25 2024

.SYNOPSIS...Hurricane Helene is near 23.1N 86.6W at 11 PM EDT,
and is moving north at 8 kt. Maximum sustained winds are 75 kt
with gusts to 90 kt, and the minimum central pressure is 972 mb.
Helene will move to 25.4N 86.1W Thu morning, 29.5N 84.5W Thu
evening, then move inland and weaken to a tropical storm near
34.3N 84.7W Fri morning. Tropical Storm Helene will become an
extratropical cyclone near 36.7N 87.1W Fri evening and be over
the southeastern U.S. Sat morning. Marine conditions will
gradually improve across the Gulf waters beginning on Fri or Fri
night.

$$

GMZ040-261515-
NW Gulf including Stetson Bank-
1105 PM EDT Wed Sep 25 2024

.OVERNIGHT...N winds 10 kt. Seas 3 ft or less.
.THU...N winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and
isolated tstms.
.THU NIGHT...N winds 15 to 20 kt. Seas 7 to 11 ft in E to SE
swell.
.FRI...NW to N winds 10 kt. Seas 7 to 10 ft in E swell.
.FRI NIGHT...NW winds 10 kt, shifting to SW to W.Seas 6 to 9 ft
in E swell, subsiding to 4 to 6 ft in E swell.
.SAT...W to NW winds 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NW winds 10 kt, shifting to SW. Seas 3 ft or less.
.SUN...W to NW winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...NE winds 10 kt, shifting to SE. Seas 3 ft or less.
.MON...N to NE winds 10 kt. Seas 3 ft or less.

$$

GMZ041-261515-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
1105 PM EDT Wed Sep 25 2024

.OVERNIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 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.
.FRI...NW to N winds 10 to 15 kt. Seas 9 to 13 ft in E swell.
.FRI NIGHT...W to NW winds 10 to 15 kt. Seas 6 to 8 ft in E
swell, subsiding to 3 to 5 ft.
.SAT...W to NW winds 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...W winds 10 kt. Seas 3 ft or less.
.SUN...W to NW winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...N winds 10 kt, shifting to SE. Seas 3 ft or less.
.MON...NE winds 10 kt. Seas 3 ft or less.

$$

GMZ056-261515-
N Central Gulf Offshore Waters-
1105 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to
35 kt. Seas 8 to 12 ft in SE swell. Scattered showers and
isolated tstms.
.THU...TROPICAL STORM CONDITIONS EXPECTED. N winds 35 to 40 kt,
becoming N 25 to 30 kt in the afternoon. Seas 14 to 22 ft in SE
swell. Scattered showers and isolated tstms.
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NW winds 25 to
35 kt. Seas 15 to 23 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.
.FRI NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in N swell.
.SAT...W winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...W to NW winds 10 to 15 kt, shifting to S to SW.Seas
2 to 4 ft.
.SUN...W winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...NE winds 10 kt, shifting to E to SE.Seas 3 ft or
less.
.MON...NE to E winds 10 kt. Seas 3 ft or less.

$$

GMZ057-261515-
NE Gulf N of 26N E of 87W-
1105 PM EDT Wed Sep 25 2024

...HURRICANE WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS. E winds 35 to 40 kt. Seas
12 to 18 ft in SE to S swell. Scattered showers and isolated
tstms.
.THU...HURRICANE CONDITIONS EXPECTED. W of 85W, E winds 45 to
55 kt, becoming N 80 to 100 kt in the afternoon. E of 85W, E to
SE winds 40 to 50 kt, becoming SE to S 70 to 90 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...HURRICANE CONDITIONS EXPECTED. W of 85W, W to NW
winds 35 to 45 kt, becoming W 25 to 30 kt. E of 85W, SW winds 55
to 65 kt, becoming SW to W 25 to 30 kt. Seas 26 to 39 ft in SE to
S swell, subsiding to 14 to 22 ft in SW to W swell. Scattered
showers and isolated tstms.
.FRI...SW to W winds 20 to 25 kt. Seas 9 to 13 ft in NW swell.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in NW
swell.
.SAT...SW to W winds 10 to 15 kt. Seas 3 to 5 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...SE to S winds 10 kt. Seas 3 ft or less.
.MON...SE winds 10 kt. Seas 3 ft or less.

$$

GMZ058-261515-
W Central Gulf from 22N to 26N W of 94W-
1105 PM EDT Wed Sep 25 2024

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

$$

GMZ045-261515-
W Central Gulf from 22N to 26N between 91W and 94W-
1105 PM EDT Wed Sep 25 2024

.OVERNIGHT...N winds 15 to 20 kt. Seas 6 to 9 ft in E swell.
.THU...NW to N winds 15 to 20 kt. Seas 8 to 12 ft in E swell.
Scattered showers and isolated tstms.
.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.
.FRI NIGHT...N to NE winds 10 kt. Seas 6 to 9 ft in NE swell,
subsiding to 4 to 6 ft in NE swell.
.SAT...N to NE winds 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...N to 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 to E winds 10 kt. Seas 3 ft or less.

$$

GMZ046-261515-
Central Gulf from 22N to 26N between 87W and 91W-
1105 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS. NW to N winds 45 to
50 kt. Seas 14 to 22 ft in E swell. Scattered showers and
isolated tstms.
.THU...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, W to NW
winds 30 to 35 kt, diminishing to 20 to 25 kt in the afternoon. N
of 24N, NW to N winds 40 to 45 kt, becoming NW 25 to 30 kt in the
afternoon. Seas 14 to 21 ft in NE to E swell. Scattered showers
and isolated tstms.
.THU NIGHT...S of 24N, W to NW winds 10 to 15 kt. N of 24N, NW
winds 20 to 25 kt, diminishing to 10 to 15 kt.Seas 10 to 15 ft.
Scattered showers and isolated tstms.
.FRI...W to NW winds 10 to 15 kt. Seas 7 to 11 ft in N to NE
swell. Isolated tstms.
.FRI NIGHT...NW to N winds 10 kt, shifting to E to SE. Seas 5 to
7 ft in N to NE swell.
.SAT...SE to S winds 10 kt, shifting to N in the afternoon. Seas
3 to 5 ft.
.SAT NIGHT...NE to E winds 10 kt. Seas 2 to 4 ft.
.SUN...E to SE winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less.
.MON...E winds 10 kt. Seas 3 ft or less.

$$

GMZ047-261515-
SE Gulf from 22N to 26N E of 87W including Straits of Florida-
1105 PM EDT Wed Sep 25 2024

...HURRICANE WARNING...

.OVERNIGHT...HURRICANE CONDITIONS. SE to S winds 70 to 80 kt.
Seas 22 to 33 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
45 kt. N of 24N, S winds 70 to 90 kt, becoming SW 40 to 50 kt in
the afternoon. Seas 23 to 35 ft in SW swell. Scattered showers
and isolated tstms.
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW to W winds
25 to 35 kt. Seas 12 to 19 ft in W swell, subsiding to 9 to 13 ft
in W to NW swell. Scattered showers and isolated tstms.
.FRI...SW winds 20 to 30 kt. Seas 7 to 10 ft in NW to N swell.
Scattered showers and isolated 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 3 to 5 ft.
.SAT NIGHT...SE to S winds 10 kt. Seas 2 to 4 ft.
.SUN...SE to S winds 10 kt. Seas 3 ft or less.
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less.
.MON...E winds 10 kt. Seas 3 ft or less.

$$

GMZ048-261515-
SW Gulf S of 22N W of 94W-
1105 PM EDT Wed Sep 25 2024

.OVERNIGHT...NW winds 10 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. Scattered
tstms.
.FRI...NW winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers
and isolated tstms.
.FRI NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...NW to N winds 10 to 15 kt. Seas 3 to 5 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 2 to 4 ft.
.SUN NIGHT...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.

$$

GMZ049-261515-
Central Bay of Campeche-
1105 PM EDT Wed Sep 25 2024

.OVERNIGHT...W to 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. Scattered showers and isolated tstms.
.FRI...W winds 10 kt. Seas 5 to 7 ft in N to NE swell. Scattered
showers and isolated tstms.
.FRI NIGHT...NW winds 10 kt. Seas 4 to 6 ft in N to NE swell.
.SAT...W to NW winds 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...N to NE winds 10 kt. Seas 2 to 4 ft.
.SUN...N 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.

$$

GMZ050-261515-
E Bay of Campeche including Campeche Bank-
1105 PM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING...

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

$$

Forecaster Konarik