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Offshore Marine Forecast


000

FZNT24 KNHC 090307

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

1107 PM EDT Thu Oct 8 2026



Offshore Waters Forecast for the Gulf of America



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.



GMZ001-091515-

Synopsis for the Gulf of America

1107 PM EDT Thu Oct 8 2026



.SYNOPSIS...Hurricane Isaias is near 25.4N 88.4W at 11 PM EDT, and

is moving northeast at 12 kt. Maximum sustained winds are 90 kt 

with gusts to 110 kt, and the minimum central pressure is 969 mb. 

Isaias will move to 27.1N 87.6W Fri morning, 29.9N 87.1W Fri 

evening, move inland and weaken to a tropical storm near 32.2N 

87.3W Sat morning, move inland and weaken to a tropical depression

near 34.1N 87.5W Sat evening, inland to 36.1N 86.1W Sun morning, 

and inland to 38.0N 83.0W Sun evening. Isaias will dissipate late 

Mon. Swells generated by the cyclone will spread northward across

the basin central Gulf through Sat night. In the wake of Isaias, 

weak high pressure will develop over the north-central Gulf by Sun

evening resulting in moderate or weaker return flow over the 

western Gulf through midweek. 



$$



GMZ040-091515-

NW Gulf of America including Stetson Bank-

1107 PM EDT Thu Oct 8 2026



.OVERNIGHT...NE winds 15 to 20 kt late. Seas 6 to 9 ft

in NE to E swell. 

.FRI...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in E to SE

swell. 

.FRI NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft in E swell. 

.SAT...NE winds 10 to 15 kt. Seas 6 to 9 ft in E swell. 

.SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. 

.SUN...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.

.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. 

.MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. 

.MON NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. 

.TUE...SE winds 10 to 15 kt. Seas 2 to 4 ft. 



$$



GMZ041-091515-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

1107 PM EDT Thu Oct 8 2026



.OVERNIGHT...NE winds 25 to 30 kt late. Seas 7 to 11 ft

in E swell. Scattered showers and isolated tstms. 

.FRI...N to NE winds 20 to 25 kt. Seas 10 to 15 ft in E to SE

swell. Scattered showers and isolated tstms. 

.FRI NIGHT...N to NE winds 20 to 25 kt. Seas 10 to 15 ft in E

swell. 

.SAT...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in NE to E

swell. 

.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 

.SUN...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.

.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. 

.MON...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.

.MON NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. 

.TUE...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. 



$$



GMZ056-091515-

N Central Gulf of America Offshore Waters-

1107 PM EDT Thu Oct 8 2026



...HURRICANE WARNING...



.OVERNIGHT...HURRICANE CONDITIONS. W of 89W, NE winds 35 to

40 kt late. E of 89W, NE to E winds 70 to 90 kt late. Seas 12 to

18 ft in S swell, building to 16 to 25 ft in

SE swell late. Scattered showers and isolated tstms.

Vsby 1 NM or less. 

.FRI...HURRICANE CONDITIONS EXPECTED. W of 89W, N winds 35 to

45 kt. E of 89W, N to NE winds 80 to 90 kt, shifting to W to NW

75 to 85 kt in the afternoon. Seas 23 to 35 ft in E swell.

Scattered showers and isolated tstms. 

.FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 89W, NW to

N winds 15 to 20 kt. E of 89W, W to NW winds 40 to 45 kt,

becoming SW to W 15 to 20 kt late. Seas 25 to 37 ft in

NE swell, subsiding to 14 to 22 ft in N to NE swell late. 

.SAT...W to NW winds 10 to 15 kt. Seas 6 to 9 ft in N to NE

swell. 

.SAT NIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. 

.SUN...NE to E winds 15 to 20 kt. Seas 2 to 4 ft.

.SUN NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. 

.MON...E winds 10 to 15 kt. Seas 3 to 5 ft. 

.MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. 

.TUE...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. 



$$



GMZ057-091515-

NE Gulf of America N of 26N E of 87W-

1107 PM EDT Thu Oct 8 2026



...HURRICANE WARNING...



.OVERNIGHT...TROPICAL STORM CONDITIONS. W of 85W, E to SE winds

35 to 40 kt late. E of 85W, E to SE winds 20 to 25 kt

late. Seas 7 to 10 ft in SE to S swell, building to

10 to 15 ft in S to SW swell late. Scattered showers

and isolated tstms. 

.FRI...TROPICAL STORM CONDITIONS EXPECTED. W of 85W, SE winds

45 to 55 kt, becoming S 60 to 70 kt in the afternoon. E of 85W,

SE to S winds 25 to 30 kt. Seas 16 to 25 ft in SW swell, building

to 21 to 32 ft in SW swell in the afternoon. Scattered showers

and isolated tstms. 

.FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 85W, S to

SW winds 40 to 45 kt, diminishing to 20 to 25 kt late.

E of 85W, S winds 20 to 25 kt. Seas 25 to 37 ft in SW swell,

subsiding to 16 to 24 ft in SW to W swell late.

Scattered showers and isolated tstms. 

.SAT...S to SW winds 15 to 20 kt. Seas 7 to 10 ft in S to SW

swell. Scattered showers and isolated tstms. 

.SAT NIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Scattered

showers and isolated tstms. 

.SUN...N winds 15 to 20 kt. Seas 3 to 5 ft. 

.SUN NIGHT...NE winds 15 to 20 kt. Seas 3 ft or less. 

.MON...NE winds 10 to 15 kt. Seas 3 ft or less. 

.MON NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less. 

.TUE...N to NE winds 10 to 15 kt. Seas 3 ft or less. 



$$



GMZ058-091515-

W Central Gulf of America from 22N to 26N W of 94W-

1107 PM EDT Thu Oct 8 2026



.OVERNIGHT...N winds 15 to 20 kt late. Seas 6 to 9 ft

in E swell. 

.FRI...N winds 15 to 20 kt. Seas 6 to 9 ft in E swell. 

.FRI NIGHT...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in NE to

E swell. 

.SAT...NE winds 10 to 15 kt. Seas 7 to 10 ft in NE to E swell. 

.SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E

swell. 

.SUN...E to SE winds 10 to 15 kt. Seas 5 to 7 ft.

.SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. 

.MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. 

.MON NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. 

.TUE...SE winds 10 to 15 kt. Seas 2 to 4 ft. 



$$



GMZ045-091515-

W Central Gulf of America from 22N to 26N between 91W and 94W-

1107 PM EDT Thu Oct 8 2026



.OVERNIGHT...N winds 15 to 20 kt late. Seas 10 to 15 ft

in NE to E swell. 

.FRI...NW to N winds 15 to 20 kt. Seas 9 to 14 ft in NE to E

swell. 

.FRI NIGHT...N winds 15 to 20 kt. Seas 8 to 12 ft in NE swell. 

.SAT...N winds 15 to 20 kt. Seas 7 to 10 ft in NE swell. 

.SAT NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE

swell. 

.SUN...E to SE winds 10 kt S of 24N, and E 15 to 20 kt N of 24N.

Seas 4 to 6 ft. 

.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. 

.MON...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.

.MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. 

.TUE...E winds 10 to 15 kt. Seas 2 to 4 ft. 



$$



GMZ046-091515-

Central Gulf of America from 22N to 26N between 87W and 91W-

1107 PM EDT Thu Oct 8 2026



...HURRICANE WARNING...



.OVERNIGHT...HURRICANE CONDITIONS. S of 24N, SW to W winds 25 to

30 kt late. N of 24N, W to NW winds 70 to 80 kt late. Seas 21 to

32 ft in NW swell. Scattered showers and

isolated tstms. 

.FRI...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, SW winds

15 to 20 kt. N of 24N, W winds 30 to 35 kt, diminishing to 20 to

25 kt in the afternoon. Seas 21 to 32 ft in N swell, subsiding to

11 to 17 ft in N swell in the afternoon. Scattered showers and

isolated tstms. 

.FRI NIGHT...W to NW winds 10 to 15 kt, shifting to S to SW late.

Seas 9 to 13 ft in N to NE swell. 

.SAT...W winds 10 to 15 kt. Seas 6 to 9 ft in N to NE swell.

Scattered showers and isolated tstms. 

.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. 

.SUN...E to SE winds 10 to 15 kt S of 24N, and E 15 to 20 kt N of

24N. Seas 2 to 4 ft. 

.SUN NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. 

.MON...E winds 10 to 15 kt. Seas 2 to 4 ft. 

.MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft. 

.TUE...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. 



$$



GMZ047-091515-

SE Gulf of America from 22N to 26N E of 87W including Straits of

Florida-

1107 PM EDT Thu Oct 8 2026



...TROPICAL STORM WARNING...



.OVERNIGHT...TROPICAL STORM CONDITIONS. S of 24N, S winds 20 to

25 kt late. N of 24N, SE to S winds 35 to 40 kt late. Seas 10 to

15 ft. Scattered showers and isolated tstms.

.FRI...TROPICAL STORM CONDITIONS EXPECTED. S of 24N, S winds

20 to 25 kt. N of 24N, S winds 30 to 35 kt, diminishing to 20 to

25 kt in the afternoon. Seas 12 to 19 ft in W swell. Scattered

showers and isolated tstms. 

.FRI NIGHT...S winds 15 to 20 kt. Seas 7 to 11 ft in W to NW

swell. Scattered showers and isolated tstms. 

.SAT...S winds 15 to 20 kt. Seas 6 to 8 ft in NW to N swell.

Scattered showers and isolated tstms. 

.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in NW to N

swell. Scattered showers and isolated tstms. 

.SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. 

.SUN NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. 

.MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.

.MON NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. 

.TUE...NE winds 15 to 20 kt. Seas 2 to 4 ft. 



$$



GMZ048-091515-

SW Gulf of America S of 22N W of 94W-

1107 PM EDT Thu Oct 8 2026



.OVERNIGHT...NW winds 15 to 20 kt late. Seas 5 to 7 ft.

Scattered showers and isolated tstms. 

.FRI...NW winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers

and isolated tstms. 

.FRI NIGHT...NW to N winds 15 to 20 kt. Seas 5 to 7 ft. Scattered

showers and isolated tstms. 

.SAT...NW to N winds 10 to 15 kt. Seas 5 to 7 ft. Scattered

showers and isolated tstms. 

.SAT NIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in NE

swell. Scattered showers and isolated tstms. 

.SUN...NE winds 10 kt. Seas 4 to 6 ft in NE swell. 

.SUN NIGHT...NE to E winds 10 kt. Seas 3 to 5 ft.

.MON...S of 21N W of 95W, E to SE winds 10 kt in the morning,

becoming variable less than 5 kt. Elsewhere, E winds 10 to 15 kt.

Seas 3 ft or less. 

.MON NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. 

.TUE...E winds 10 to 15 kt. Seas 3 ft or less. 



$$



GMZ049-091515-

Central Bay of Campeche-

1107 PM EDT Thu Oct 8 2026



.OVERNIGHT...NW winds 10 to 15 kt late. Seas 5 to 7 ft

in N to NE swell. Scattered showers and isolated tstms. 

.FRI...NW winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers

and isolated tstms. 

.FRI NIGHT...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in N to NE

swell. Scattered showers and isolated tstms. 

.SAT...NW to N winds 10 kt. Seas 5 to 7 ft in N to NE swell. 

.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft in N to NE

swell. 

.SUN...E winds 10 kt. Seas 3 to 5 ft. 

.SUN NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. 

.MON...E winds 10 to 15 kt. Seas 2 to 4 ft. 

.MON NIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. 

.TUE...E winds 10 to 15 kt. Seas 2 to 4 ft. 



$$



GMZ050-091515-

E Bay of Campeche including Campeche Bank-

1107 PM EDT Thu Oct 8 2026



.OVERNIGHT...SW to W winds 10 to 15 kt late. Seas 6 to

9 ft in NW to N swell. Scattered showers and isolated tstms. 

.FRI...SW to W winds 15 to 20 kt, shifting to W 10 kt in the

afternoon. Seas 5 to 7 ft in N swell. 

.FRI NIGHT...W to NW winds 10 to 15 kt. Seas 4 to 6 ft in N

swell. 

.SAT...W to NW winds 10 to 15 kt. Seas 4 to 6 ft in N swell. 

.SAT NIGHT...N winds 10 to 15 kt, shifting to NE to E late. Seas

4 to 6 ft. 

.SUN...E to SE winds 10 to 15 kt. Seas 2 to 4 ft.

.SUN NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. 

.MON...NE to E winds 10 to 15 kt. Seas 2 to 4 ft.

.MON NIGHT...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. 

.TUE...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. 



$$



Forecaster Delgado
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