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Offshore Marine Forecast


000

FZNT24 KNHC 222011

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

411 PM EDT Wed Jul 22 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.



GMZ001-230815-

Synopsis for the Gulf of America

411 PM EDT Wed Jul 22 2026



.SYNOPSIS...Tropical Storm Bertha is off Mississippi and southeast

Louisiana near 29.9N 89.7W at 5 PM EDT, and is moving west at 6 

kt. Maximum sustained winds are 40 kt with gusts to 50 kt, and the

minimum central pressure is 1000 mb. Bertha will move inland to 

29.6N 91.3W along the coast of Louisiana overnight, then continue

to 29.5N 93.9W along the upper Texas coast Thu afternoon. Bertha 

will weaken to a remnant low over southeastern Texas Fri morning,

and dissipate Fri afternoon. Swells generated by Bertha will 

continue spreading westward along the northern Gulf Coast through

Thu. In the wake of Bertha, weak high pressure centered over the 

south- central Gulf will be replaced by ridging associated to a 

new high center that forms over the NE Gulf providing for a light 

to gentle wind flow across the basin, except for pulsing moderate 

to fresh winds off the Yucatan Peninsula and near NE Mexico and 

the Texas coast. These conditions are expected to persist through 

the weekend. 



$$



GMZ040-230815-

NW Gulf of America including Stetson Bank-

411 PM EDT Wed Jul 22 2026



.TONIGHT...SW winds 15 to 20 kt. Seas 2 to 4 ft. Scattered

showers and isolated tstms. 

.THU...SW winds 15 to 20 kt, becoming S to SW 25 to 30 kt in the

afternoon. Seas 2 to 4 ft, building to 6 to 8 ft in the

afternoon. Scattered showers and isolated tstms. 

.THU NIGHT...SW winds 15 to 20 kt, shifting to SE late.

Seas 6 to 9 ft in SW swell, subsiding to 4 to 6 ft late. 

.FRI...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. 

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

.SAT...SE winds 10 kt. Seas 2 to 4 ft. 

.SAT NIGHT...SE winds 10 kt. Seas 3 ft or less. 

.SUN...SE to S winds 10 kt. Seas 3 ft or less. 

.SUN NIGHT...S winds 10 to 15 kt. Seas 3 ft or less. 

.MON...S winds 10 kt. Seas 3 ft or less. 



$$



GMZ041-230815-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

411 PM EDT Wed Jul 22 2026



.TONIGHT...SW to W winds 25 to 30 kt. Seas 6 to 9 ft in W swell.

Numerous showers and scattered tstms. 

.THU...SW winds 25 to 30 kt. Seas 7 to 10 ft in W swell.

Scattered showers and isolated tstms. 

.THU NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in W

swell, subsiding to 4 to 6 ft late. 

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

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

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

.SAT NIGHT...SE winds 10 kt. Seas 3 ft or less. 

.SUN...S winds 10 kt in the morning, becoming variable less than

5 kt. Seas 3 ft or less. 

.SUN NIGHT...Variable winds less than 5 kt, becoming S to SW

10 kt late. Seas 3 ft or less. 

.MON...SW winds 10 kt. Seas 3 ft or less. 



$$



GMZ056-230815-

N Central Gulf of America Offshore Waters-

411 PM EDT Wed Jul 22 2026



...TROPICAL STORM WARNING...



.REST OF THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 30 to

35 kt. Seas 9 to 14 ft in W to NW swell. Scattered showers and

isolated tstms. 

.TONIGHT...S to SW winds 25 to 30 kt. Seas 9 to 13 ft in W swell.

Scattered showers and isolated tstms. 

.THU...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in W swell. 

.THU NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft in W

swell. 

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

.FRI NIGHT...E to SE winds 10 kt. Seas 3 ft or less. 

.SAT...E winds 10 kt. Seas 3 ft or less. 

.SAT NIGHT...SE to S winds 10 kt. Seas 3 ft or less. 

.SUN...W winds 10 kt. Seas 3 ft or less. 

.SUN NIGHT...W of 89W, variable winds less than 5 kt, becoming SW

to W 10 kt late. E of 89W, W winds 10 to 15 kt. Seas

3 ft or less. 

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



$$



GMZ057-230815-

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

411 PM EDT Wed Jul 22 2026



.TONIGHT...S winds 15 to 20 kt W of 85W, and SE to S 10 to 15 kt

E of 85W. Seas 8 to 12 ft in W swell. 

.THU...SE winds 10 to 15 kt. Seas 5 to 7 ft in W swell. 

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

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

.FRI NIGHT...NE winds 10 kt. Seas 3 ft or less. 

.SAT...Variable winds less than 5 kt. Seas 3 ft or less. 

.SAT NIGHT...W to NW winds 10 kt. Seas 3 ft or less. 

.SUN...W to NW winds 10 to 15 kt. Seas 3 ft or less. 

.SUN NIGHT...W to NW winds 10 to 15 kt. Seas 3 ft or less. 

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



$$



GMZ058-230815-

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

411 PM EDT Wed Jul 22 2026



.TONIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. 

.THU...S winds 15 to 20 kt. Seas 2 to 4 ft. 

.THU NIGHT...SE winds 15 to 20 kt W of 96W, and E to SE 10 to

15 kt E of 96W. Seas 2 to 4 ft. 

.FRI...SE winds 15 to 20 kt. Seas 3 to 5 ft. 

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

.SAT...E to SE winds 10 kt. Seas 2 to 4 ft. 

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

.SUN...SE winds 10 kt. Seas 3 ft or less. 

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

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



$$



GMZ045-230815-

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

411 PM EDT Wed Jul 22 2026



.TONIGHT...S winds 10 to 15 kt. Seas 2 to 4 ft. 

.THU...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. 

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

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

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

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

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

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

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

.MON...SE winds 10 kt. Seas 3 ft or less. 



$$



GMZ046-230815-

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

411 PM EDT Wed Jul 22 2026



.TONIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. 

.THU...SE winds 15 to 20 kt. Seas 3 to 5 ft. 

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

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

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

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

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

.SUN...SE to S winds 10 kt, shifting to E in the afternoon. Seas

2 to 4 ft. 

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

variable winds less than 5 kt, becoming S to SW 10 kt late. Seas

3 ft or less. 

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

3 ft or less. 



$$



GMZ047-230815-

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

Florida-

411 PM EDT Wed Jul 22 2026



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

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

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

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

.FRI NIGHT...E winds 10 kt. Seas 2 to 4 ft. 

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

.SAT NIGHT...NE to E winds 10 kt, shifting to SE late.

Seas 3 ft or less. 

.SUN...Variable winds less than 5 kt, becoming NW to N 10 kt in

the afternoon. Seas 3 ft or less. 

.SUN NIGHT...NW winds 10 kt. Seas 3 ft or less. 

.MON...NW winds 10 kt. Seas 3 ft or less. 



$$



GMZ048-230815-

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

411 PM EDT Wed Jul 22 2026



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

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

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

.FRI...E winds 15 to 20 kt. Seas 3 to 5 ft. 

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

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

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

.SUN...E winds 10 kt. Seas 3 ft or less. 

.SUN NIGHT...E to SE winds 10 kt. Seas 3 ft or less. 

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



$$



GMZ049-230815-

Central Bay of Campeche-

411 PM EDT Wed Jul 22 2026



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

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

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

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

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

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

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

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

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

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



$$



GMZ050-230815-

E Bay of Campeche including Campeche Bank-

411 PM EDT Wed Jul 22 2026



.TONIGHT...N to NE winds 20 to 25 kt, shifting to E 15 to 20 kt

late. Seas 2 to 4 ft. 

.THU...E winds 15 to 20 kt. Seas 2 to 4 ft. 

.THU NIGHT...NE to E winds 20 to 25 kt. Seas 3 to 5 ft. 

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

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

.SAT...SE winds 10 to 15 kt, shifting to NE to E in the

afternoon. Seas 2 to 4 ft. 

.SAT NIGHT...NE winds 15 to 20 kt, shifting to E to SE 10 to

15 kt late. Seas 2 to 4 ft. 

.SUN...SE winds 10 to 15 kt, shifting to NE in the afternoon.

Seas 2 to 4 ft. 

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

.MON...SE winds 10 kt, shifting to NE in the afternoon. Seas 3 ft

or less. 



$$



Forecaster Christensen
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