Offshore Forecast
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758
FZNT24 KNHC 242059
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
459 PM EDT Tue Sep 24 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.

GMZ001-250900-
Synopsis for the Gulf of Mexico
459 PM EDT Tue Sep 24 2024

.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.

$$

GMZ040-250900-
NW Gulf including Stetson Bank-
459 PM EDT Tue Sep 24 2024

.TONIGHT...E winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.WED...NE winds 10 kt. Seas 3 ft or less. Scattered showers and
isolated tstms.
.WED NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less.
Scattered showers and isolated tstms.
.THU...N winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and
isolated tstms.
.THU NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft in E to SE
swell.
.FRI...NW winds 10 kt. Seas 6 to 9 ft in E swell.
.FRI NIGHT...W winds 10 kt, shifting to S to SW late.
Seas 6 to 8 ft in E swell.
.SAT...W winds 10 kt. Seas 4 to 6 ft in E swell.
.SAT NIGHT...SW to W winds 10 kt. Seas 3 ft or less.
.SUN...NW winds 10 kt. Seas 3 ft or less.

$$

GMZ041-250900-
SW Louisiana Offshore Waters including Flower Garden Bank Marine
Sanctuary-
459 PM EDT Tue Sep 24 2024

.TONIGHT...E winds 10 kt. Seas 3 ft or less.
.WED...NE winds 10 to 15 kt. Seas 3 ft or less.
.WED NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. Scattered
showers and isolated tstms.
.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. Scattered showers and
isolated tstms.
.THU NIGHT...NW to N winds 15 to 20 kt. Seas 10 to 15 ft in E to
SE swell.
.FRI...NW winds 10 to 15 kt. Seas 8 to 12 ft in E swell.
.FRI NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in E swell.
.SAT...W winds 10 to 15 kt. Seas 2 to 4 ft.
.SAT NIGHT...SW to W winds 10 kt. Seas 3 ft or less.
.SUN...W to NW winds 10 kt. Seas 3 ft or less.

$$

GMZ056-250900-
N Central Gulf Offshore Waters-
459 PM EDT Tue Sep 24 2024

.TONIGHT...E winds 10 to 15 kt. Seas 3 ft or less.
.WED...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
showers and isolated tstms.
.WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 15 to
20 kt W of 89W, and NE to E 25 to 30 kt E of 89W. Seas 6 to 8 ft
in SE swell, building to 9 to 13 ft in SE swell late.
Scattered tstms.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. N winds 25 to 30 kt.
Seas 12 to 19 ft in SE swell. Scattered tstms.
.THU NIGHT...NW winds 15 to 20 kt W of 89W, and W to NW 25 to
30 kt E of 89W. Seas 13 to 20 ft in E swell.
.FRI...W to NW winds 15 to 20 kt. Seas 7 to 11 ft in N to NE
swell.
.FRI NIGHT...W winds 10 kt. Seas 4 to 6 ft in N swell.
.SAT...W winds 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...SW to W winds 10 kt, shifting to S late.
Seas 3 ft or less.
.SUN...W winds 10 kt in the morning, becoming variable less than
5 kt. Seas 3 ft or less.

$$

GMZ057-250900-
NE Gulf N of 26N E of 87W-
459 PM EDT Tue Sep 24 2024

...HURRICANE WARNING...

.TONIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. Scattered
showers and isolated tstms.
.WED...E to SE winds 20 to 25 kt. Seas 4 to 6 ft. Scattered
showers and isolated tstms.
.WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to
35 kt. Seas 8 to 12 ft in SE to S swell, building to 12 to 19 ft
in SE to S swell late. Scattered showers and isolated
tstms.
.THU...HURRICANE CONDITIONS EXPECTED. W of 85W, NE to E winds
40 to 50 kt, becoming NW to N 70 to 80 kt in the afternoon. E of
85W, E to SE winds 40 to 50 kt, becoming SE 75 to 95 kt in the
afternoon. Seas 20 to 30 ft in SE to S swell. Numerous showers
and isolated tstms.
.THU NIGHT...HURRICANE CONDITIONS POSSIBLE. W of 85W, W to NW
winds 40 to 45 kt, becoming W 20 to 25 kt late. E of
85W, SW winds 60 to 80 kt, becoming SW to W 25 to 30 kt late.
Seas 20 to 30 ft in SE swell, subsiding to 12 to 19 ft
in W swell late.
.FRI...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in NW swell.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...SW to W winds 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...S winds 10 kt. Seas 3 ft or less.
.SUN...SW winds 10 kt. Seas 3 ft or less.

$$

GMZ058-250900-
W Central Gulf from 22N to 26N W of 94W-
459 PM EDT Tue Sep 24 2024

.TONIGHT...NE to E winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.WED...N to NE winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.WED NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less,
building to 2 to 4 ft late. Scattered showers and
isolated tstms.
.THU...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in E swell.
Scattered showers and isolated tstms.
.THU NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft in E swell.
.FRI...N winds 10 kt. Seas 6 to 9 ft in E swell.
.FRI NIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in NE to E
swell.
.SAT...NE winds 10 kt. Seas 4 to 6 ft in NE to E swell.
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...N winds 10 kt. Seas 3 ft or less.

$$

GMZ045-250900-
W Central Gulf from 22N to 26N between 91W and 94W-
459 PM EDT Tue Sep 24 2024

.TONIGHT...NE winds 10 to 15 kt. Seas 3 ft or less.
.WED...N to NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered
showers and isolated tstms.
.WED NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft, building to
6 to 9 ft in E swell late. Scattered showers and
isolated tstms.
.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.
.FRI...N winds 10 kt. Seas 6 to 9 ft in NE to E swell.
.FRI NIGHT...NE winds 10 kt. Seas 5 to 7 ft in NE swell.
.SAT...NE winds 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NE winds 10 kt. Seas 3 ft or less.
.SUN...NE winds 10 kt. Seas 3 ft or less.

$$

GMZ046-250900-
Central Gulf from 22N to 26N between 87W and 91W-
459 PM EDT Tue Sep 24 2024

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE to E winds
20 to 25 kt. Seas 2 to 4 ft, building to 5 to 7 ft late.
Scattered showers and isolated tstms.
.WED...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, N to NE
winds 25 to 30 kt, increasing to 40 to 45 kt in the afternoon. N
of 24N, NE winds 25 to 30 kt. Seas 7 to 10 ft in E to SE swell,
building to 10 to 16 ft in E to SE swell in the afternoon.
Scattered showers and isolated tstms.
.WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NW to N winds
35 to 45 kt S of 24N, and N to NE 30 to 40 kt N of 24N. Seas
14 to 21 ft in E swell. Numerous showers and scattered tstms.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. NW winds 25 to 30 kt.
Seas 12 to 19 ft in NE to E swell. Numerous showers and scattered
tstms.
.THU NIGHT...W to NW winds 15 to 20 kt. Seas 9 to 13 ft in NE
swell.
.FRI...W to NW winds 10 kt. Seas 7 to 10 ft in NE swell.
.FRI NIGHT...Variable winds less than 5 kt, becoming SE 10 kt
late. Seas 5 to 7 ft in N to NE swell.
.SAT...SE to S winds 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...S winds 10 kt. Seas 3 ft or less.

$$

GMZ047-250900-
SE Gulf from 22N to 26N E of 87W including Straits of Florida-
459 PM EDT Tue Sep 24 2024

...HURRICANE WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, E winds
30 to 35 kt. N of 24N, E winds 15 to 20 kt, becoming E to SE
25 to 30 kt late. Seas 4 to 6 ft, building to 6 to 9 ft
late. Scattered showers and isolated tstms.
.WED...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, E winds
35 to 40 kt, becoming E to SE 50 to 60 kt in the afternoon. N of
24N, E winds 30 to 35 kt. Seas 11 to 17 ft in E to SE swell,
building to 16 to 24 ft in SE swell in the afternoon. Numerous
showers and isolated tstms. Vsby 1 NM or less.
.WED NIGHT...HURRICANE CONDITIONS EXPECTED. S of 24N, SE winds
60 to 70 kt, shifting to S to SW 65 to 75 kt late. N of
24N, E to SE winds 35 to 40 kt, increasing to 60 to 70 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 40 to
45 kt, diminishing to 30 to 35 kt in the afternoon. N of 24N, S
winds 65 to 85 kt, becoming SW to W 45 to 55 kt in the afternoon.
Seas 19 to 29 ft in N swell. Numerous showers and isolated tstms.
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW to W winds
25 to 30 kt, becoming SW 15 to 20 kt late. Seas 12 to
18 ft in N swell, subsiding to 8 to 12 ft in N swell late.
.FRI...SW winds 10 to 15 kt. Seas 6 to 9 ft in NW to N swell.
.FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT...S winds 10 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...S winds 10 kt. Seas 3 ft or less.

$$

GMZ048-250900-
SW Gulf S of 22N W of 94W-
459 PM EDT Tue Sep 24 2024

.TONIGHT...N to NE winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.WED...NW winds 10 kt. Seas 3 ft or less. Scattered showers and
isolated tstms.
.WED NIGHT...NW to N winds 10 kt. Seas 3 ft or less. Scattered
showers and isolated tstms.
.THU...NW winds 10 to 15 kt. Seas 3 ft or less, building to 3 to
5 ft in the afternoon. Numerous showers and scattered tstms.
.THU NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI...NW to N winds 10 to 15 kt. Seas 4 to 6 ft.
.FRI NIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 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 2 to 4 ft.
.SUN...NW winds 10 to 15 kt. Seas 3 ft or less.

$$

GMZ049-250900-
Central Bay of Campeche-
459 PM EDT Tue Sep 24 2024

.TONIGHT...N winds 10 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.WED...NW winds 10 to 15 kt. Seas 3 ft or less. Scattered showers
and isolated tstms.
.WED NIGHT...W to NW winds 10 to 15 kt. Seas 3 ft or less,
building to 3 to 5 ft late. Scattered showers and
isolated tstms.
.THU...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. Scattered
tstms.
.THU NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in NE swell.
.FRI...W winds 10 kt. Seas 4 to 6 ft in NE swell.
.FRI NIGHT...NW winds 10 kt, shifting to S late. Seas
3 to 5 ft.
.SAT...SW to W winds 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...NW to N winds 10 kt, shifting to SE to S late. Seas
2 to 4 ft.
.SUN...SW winds 10 kt, shifting to W to NW in the afternoon. Seas
3 ft or less.

$$

GMZ050-250900-
E Bay of Campeche including Campeche Bank-
459 PM EDT Tue Sep 24 2024

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W of 90W, N to NE
winds 10 to 15 kt. E of 90W, NE winds 15 to 20 kt, becoming N to
NE 25 to 30 kt late. Seas 2 to 4 ft. Scattered showers
and isolated tstms.
.WED...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, NW winds
10 to 15 kt. E of 90W, N winds 30 to 35 kt, becoming NW to N
40 to 45 kt in the afternoon. Seas 4 to 6 ft in NE swell,
building to 6 to 9 ft in NE swell in the afternoon. Scattered
showers and isolated tstms.
.WED NIGHT...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 20 to 25 kt late. Seas 7 to 11 ft in N to NE
swell. Numerous showers and scattered tstms.
.THU...W winds 15 to 20 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 to NE
swell.
.FRI...SW to W winds 10 kt. Seas 4 to 6 ft in N to NE swell.
.FRI NIGHT...N winds 10 kt, shifting to SE to S late.
Seas 3 to 5 ft.
.SAT...S to SW winds 10 kt. Seas 2 to 4 ft.
.SAT NIGHT...N to NE winds 10 kt, shifting to SE late.
Seas 3 ft or less.
.SUN...S winds 10 kt. Seas 3 ft or less.

$$

Forecaster GR