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Offshore Marine Forecast


000

FZNT24 KNHC 092139 CCA

OFFNT4



Offshore Waters Forecast for the Gulf of America...Corrected

NWS National Hurricane Center Miami, FL

512 PM EDT Fri Oct 9 2026



Corrected Wed seas for zone GMZ047 



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.



GMZ001-100915-

Synopsis for the Gulf of America

512 PM EDT Fri Oct 9 2026



.SYNOPSIS...Hurricane Isaias is near 29.2N 87.0W, or about 80 nm 

south of Pensacola, Florida at 5 PM EDT, and is moving north at 

15 kt. Maximum sustained winds are 100 kt with gusts to 130 kt, 

and the minimum central pressure is 959 mb. Isaias will move 

inland to near 31.2N 86.8W late tonight, and weaken to a tropical 

storm well north of the area Sat afternoon, dissipate Mon 

afternoon. Swells generated by Isaias will continue to spread

across most of the basin 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 easterly winds

south of about 26N into the middle of next week.



$$



GMZ040-100915-

NW Gulf of America including Stetson Bank-

512 PM EDT Fri Oct 9 2026



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

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

swell. 

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

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

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

.MON...SE winds 15 to 20 kt. Seas 4 to 6 ft. 

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

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

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

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



$$



GMZ041-100915-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

512 PM EDT Fri Oct 9 2026



.TONIGHT...N to NE winds 25 to 30 kt, diminishing to 15 to 20 kt

late. Seas 10 to 16 ft in NE to E swell. 

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

.SAT NIGHT...NE winds 15 to 20 kt, shifting to E to SE late. Seas

4 to 6 ft. 

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

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

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

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

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

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

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



$$



GMZ056-100915-

N Central Gulf of America Offshore Waters-

512 PM EDT Fri Oct 9 2026



...HURRICANE WARNING N OF 28N E OF 89W...



.REST OF THIS AFTERNOON...TROPICAL STORM CONDITIONS. W of 89W, NW

to N winds 25 to 30 kt, diminishing to 15 to 20 kt late. E of 

89W, W winds 45 to 55 kt becoming SW to W 25 to 30 kt late except 

W to NW 80 to 100 kt N of 28N E of 89W. Seas 22 to 34 ft in NE 

swell, subsiding to 12 to 19 ft in N to NE swell late. Numerous 

squalls and thunderstorms N of 28N E of 88W.

.TONIGHT...TROPICAL STORM CONDITIONS. W of 90W, N winds 25 to

30 kt, becoming NW to N 15 to 20 kt late. Seas 10 to

16 ft. Elsewhere, W winds 45 to 55 kt, diminishing to 25 to

30 kt late. Seas 16 to 25 ft, subsiding to 11 to 17 ft

late. Numerous squalls and thunderstorms N of 28N E of 88W 

shifting N.

.SAT...W to NW winds 15 to 20 kt. Seas 8 to 12 ft in N to NE

swell, subsiding to 6 to 8 ft in NE swell in the afternoon. 

.SAT NIGHT...N to NE winds 15 to 20 kt. Seas 3 to 5 ft. 

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

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

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

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

.TUE...NE to E winds 10 to 15 kt. Seas 3 to 5 ft.

.TUE NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. 

.WED...NE to E winds 10 kt. Seas 3 to 4 ft. 



$$



GMZ057-100915-

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

512 PM EDT Fri Oct 9 2026



...TROPICAL STORM WARNING W OF 85W...



.TONIGHT...TROPICAL STORM CONDITIONS. W of 85W, S to SW winds

45 to 55 kt, diminishing to 25 to 30 kt late. E of 85W,

S winds 25 to 30 kt. Seas 25 to 37 ft in SW swell, subsiding to

13 to 20 ft in SW to W swell late. Numerous squalls and 

thunderstorms N of 27N. Scattered showers and isolated

thunderstorms S of 27N. 

.SAT...S to SW winds 20 to 25 kt. Seas 7 to 11 ft in SW to W

swell. Scattered showers and isolated thunderstorms. 

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

showers and isolated thunderstorms. 

.SUN...N winds 15 to 20 kt. Seas 4 to 6 ft. 

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

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

.MON NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. 

.TUE...N to NE winds 10 to 15 kt. Seas 3 to 5 ft.

.TUE NIGHT...N to NE winds 10 kt. Seas 3 to 4 ft. 

.WED...NE winds 10 kt. Seas 3 to 4 ft.



$$



GMZ058-100915-

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

512 PM EDT Fri Oct 9 2026



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

swell. 

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

.SAT NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. 

.SUN...E to SE winds 15 to 20 kt. Seas 5 to 7 ft.

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

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

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

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

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

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



$$



GMZ045-100915-

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

512 PM EDT Fri Oct 9 2026



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

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

.SAT NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. 

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

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

.MON...E to SE winds 10 to 15 kt. Seas 3 to 4 ft.

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

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

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

.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. 



$$



GMZ046-100915-

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

512 PM EDT Fri Oct 9 2026



.TONIGHT...SW to W winds 15 to 20 kt. Seas 9 to 13 ft in N to NE

swell. Scattered showers and isolated thunderstorms. 

.SAT...SW to W winds 10 to 15 kt, shifting to NW to N in the

afternoon. Seas 7 to 10 ft in N to NE swell. Scattered showers

and isolated thunderstorms. 

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

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

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

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

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

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

.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. 

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



$$



GMZ047-100915-

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

Florida-

512 PM EDT Fri Oct 9 2026



.TONIGHT...S winds 20 to 25 kt. Seas 7 to 11 ft in W to NW swell.

Scattered showers and isolated thunderstorms. 

.SAT...S winds 15 to 20 kt. Seas 6 to 9 ft in NW to N swell.

Scattered showers and isolated thunderstorms. 

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

swell. Scattered showers and isolated thunderstorms. 

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

showers and isolated thunderstorms. 

.SUN NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 6 ft. 

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

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

.TUE...NE winds 15 to 20 kt. Seas 4 to 7 ft. 

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

.WED...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. 



$$



GMZ048-100915-

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

512 PM EDT Fri Oct 9 2026



.TONIGHT...NW to N winds 15 to 20 kt. Seas 5 to 7 ft in NE swell.

Scattered showers and isolated thunderstorms. 

.SAT...NW to N winds 15 to 20 kt. Seas 5 to 7 ft in NE swell.

Scattered showers and isolated thunderstorms. 

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

showers and isolated thunderstorms. 

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

.SUN NIGHT...S of 21N W of 95W, NE winds 10 kt in the evening,

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

Seas 3 to 4 ft. 

.MON...Variable winds less than 5 kt S of 21N W of 95W, and E

10 to 15 kt elsewhere. Seas 3 to 4 ft.

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

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

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

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



$$



GMZ049-100915-

Central Bay of Campeche-

512 PM EDT Fri Oct 9 2026



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

swell. Isolated showers and thunderstorms. 

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

Isolated showers and thunderstorms. 

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

showers and thunderstorms. 

.SUN...E winds 10 kt. Seas 3 to 5 ft in NE swell. Isolated 

showers and thunderstorms. 

.SUN NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. Scattered

showers and isolated thunderstorms. 

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

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

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

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

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



$$



GMZ050-100915-

E Bay of Campeche including Campeche Bank-

512 PM EDT Fri Oct 9 2026



.TONIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in N swell.

Isolated showers and thunderstorms. 

.SAT...SW winds 10 kt, shifting to N to NE in the afternoon. Seas

5 to 7 ft in N swell. Isolated showers and thunderstorms. 

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

showers and thunderstorms. 

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

showers and thunderstorms. 

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

showers and isolated thunderstorms. 

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

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

.TUE...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. 

.TUE NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. 

.WED...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. 



$$



Forecaster Aguirre
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