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Offshore Marine Forecast


000

FZNT24 KNHC 210659

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

259 AM EDT Fri Aug 21 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.



GMZ001-211900-

Synopsis for the Gulf of America

259 AM EDT Fri Aug 21 2026



.SYNOPSIS...Relatively weak high pressure centered over the

central Gulf will prevail through early next week. A weak 

pressure pattern will support mostly gentle to moderate winds and 

slight to locally moderate seas across much of the basin. A 

surface trough will generate fresh to locally strong winds north 

and west of the Yucatan Peninsula in the early evenings. These 

winds will spread westward away from the peninsula at night as the

trough migrates into the SW Gulf. 



$$



GMZ040-211900-

NW Gulf of America including Stetson Bank-

259 AM EDT Fri Aug 21 2026



.TODAY...S to SW winds 10 kt. Seas 3 ft or less. 

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

.SAT...S to SW winds 10 kt in the morning, becoming variable less

than 5 kt. Seas 3 ft or less. 

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

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

5 kt. Seas 3 ft or less. 

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

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

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



$$



GMZ041-211900-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

259 AM EDT Fri Aug 21 2026



.TODAY...Variable winds less than 5 kt. Seas 3 ft or less. Isolated

showers and thunderstorms. 

.TONIGHT...W of 92W, S to SW winds 10 kt in the evening, becoming

variable less than 5 kt. E of 92W, variable winds less than 5 kt.

Seas 3 ft or less. Isolated showers and thunderstorms.

.SAT...SW to W winds 10 kt in the morning, becoming variable less

than 5 kt. Seas 3 ft or less. Isolated showers and thunderstorms.

.SAT NIGHT...W of 92W, SW winds 10 kt. E of 92W, variable winds

less than 5 kt, becoming W 10 kt late. Seas 3 ft or less. 

Isolated showers and thunderstorms.

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

.SUN NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.

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

.MON NIGHT...E to SE winds 10 kt, shifting to S late.

Seas 3 ft or less. 

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

.TUE NIGHT...W of 92W, variable winds less than 5 kt, becoming S

10 kt late. E of 92W, variable winds less than 5 kt.

Seas 3 ft or less. 



$$



GMZ056-211900-

N Central Gulf of America Offshore Waters-

259 AM EDT Fri Aug 21 2026



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

Isolated showers and thunderstorms. 

.TONIGHT...Variable winds less than 5 kt, becoming W 10 kt late.

Seas 3 ft or less. Isolated showers and thunderstorms.

.SAT...Variable winds less than 5 kt, becoming W 10 kt in the

afternoon. Seas 3 ft or less. Isolated showers and thunderstorms.

.SAT NIGHT...W winds 10 kt in the evening, becoming variable less

than 5 kt. Seas 3 ft or less. Isolated showers and thunderstorms.

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

.SUN NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.

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

.MON NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.

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

.TUE NIGHT...W of 89W, variable winds less than 5 kt. E of 89W,

variable winds less than 5 kt, becoming SE 10 kt late.

Seas 3 ft or less. 



$$



GMZ057-211900-

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

259 AM EDT Fri Aug 21 2026



.TODAY...Variable winds less than 5 kt, becoming W 10 kt in the

afternoon. Seas 3 ft or less. Isolated showers and thunderstorms.

.TONIGHT...SW to W winds 10 kt. Seas 3 ft or less. Isolated

showers and thunderstorms.

.SAT...SW to W winds 10 kt. Seas 3 ft or less. Isolated showers 

and thunderstorms. 

.SAT NIGHT...SW winds 10 kt. Seas 3 ft or less. Isolated showers 

and thunderstorms.  

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

.SUN NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.

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

.MON NIGHT...Variable winds less than 5 kt. Seas 3 ft or less.

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

.TUE NIGHT...Variable winds less than 5 kt. Seas 3 ft or less. 



$$



GMZ058-211900-

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

259 AM EDT Fri Aug 21 2026



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

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

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

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

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

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

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

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



$$



GMZ045-211900-

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

259 AM EDT Fri Aug 21 2026



.TODAY...E to SE winds 10 to 15 kt S of 24N, and variable less

than 5 kt N of 24N. Seas 2 to 4 ft. 

.TONIGHT...NE to E winds 10 to 15 kt S of 24N, and variable less

than 5 kt N of 24N. Seas 3 ft or less. 

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

10 kt in the morning, becoming variable less than 5 kt. Seas 3 ft

or less. 

.SAT NIGHT...NE to E winds 10 to 15 kt S of 24N, and variable

less than 5 kt N of 24N. Seas 3 ft or less. 

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

the morning, becoming variable less than 5 kt. Seas 3 ft or less.

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

.MON...E to SE winds 10 kt S of 24N, and variable less than 5 kt

N of 24N. Seas 3 ft or less. 

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

.TUE...S of 24N, E to SE winds 10 kt in the morning, becoming

variable less than 5 kt. N of 24N, variable winds less than 5 kt.

Seas 3 ft or less. 

.TUE NIGHT...E winds 10 kt. Seas 3 ft or less. 



$$



GMZ046-211900-

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

259 AM EDT Fri Aug 21 2026



.TODAY...E winds 10 kt S of 24N, and variable less than 5 kt N of

24N. Seas 3 ft or less. 

.TONIGHT...NE to E winds 10 to 15 kt S of 24N, and variable less

than 5 kt N of 24N. Seas 3 ft or less. 

.SAT...SE winds 10 kt in the morning, becoming variable less than

5 kt. Seas 3 ft or less. 

.SAT NIGHT...NE to E winds 10 kt S of 24N, and variable less than

5 kt N of 24N. Seas 3 ft or less. 

.SUN...S of 24N, E to SE winds 10 kt in the morning. Variable

winds less than 5 kt in the afternoon. N of 24N, variable winds

less than 5 kt in the morning. Seas 3 ft or less. 

.SUN NIGHT...E winds 10 to 15 kt S of 24N, and variable less than

5 kt N of 24N. Seas 3 ft or less. 

.MON...E winds 10 kt S of 24N, and variable less than 5 kt N of

24N. Seas 3 ft or less. 

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

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

.TUE NIGHT...E winds 10 kt. Seas 3 ft or less. 



$$



GMZ047-211900-

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

Florida-

259 AM EDT Fri Aug 21 2026



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

Isolated showers and thunderstorms.

.TONIGHT...NE to E winds 10 kt S of 24N, and variable less than

5 kt N of 24N. Seas 3 ft or less. Isolated showers and

thunderstorms.

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

showers and thunderstorms.

.SAT NIGHT...NE to E winds 10 kt S of 24N, and variable less than

5 kt N of 24N. Seas 3 ft or less. Isolated showers and thunderstorms.

.SUN...S of 24N, NE winds 10 kt in the afternoon. Variable winds

less than 5 kt in the morning. N of 24N, variable less than 5 kt.

Seas 3 ft or less. 

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

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

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

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

.TUE NIGHT...E winds 10 kt. Seas 3 ft or less. 



$$



GMZ048-211900-

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

259 AM EDT Fri Aug 21 2026



.TODAY...E winds 10 to 15 kt. Seas 2 to 4 ft. Isolated showers and

thunderstorms.

.TONIGHT...NE to E winds 10 kt. Seas 2 to 4 ft. Isolated showers

and thunderstorms.

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

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

2 to 4 ft. Isolated showers and thunderstorms.

.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Isolated

showers and thunderstorms. 

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

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

2 to 4 ft. 

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

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

.MON NIGHT...E winds 10 kt. Seas 3 to 4 ft. 

.TUE...E winds 10 kt. Seas 3 to 4 ft. 

.TUE NIGHT...E winds 10 kt. Seas 3 to 4 ft. 



$$



GMZ049-211900-

Central Bay of Campeche-

259 AM EDT Fri Aug 21 2026



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

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

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

.SAT NIGHT...NE winds 15 to 20 kt. Seas 2 to 4 ft. Isolated

showers. 

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

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

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

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



$$



GMZ050-211900-

E Bay of Campeche including Campeche Bank-

259 AM EDT Fri Aug 21 2026



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

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

.SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. 

.SAT NIGHT...W of 90W, N to NE winds 15 to 20 kt, shifting to E

late. E of 90W, NE winds 15 to 20 kt, becoming E to SE 10 kt 

late. Seas 3 to 4 ft. 

.SUN...W of 90W, E winds 10 kt. E of 90W, variable winds less

than 5 kt, becoming NE 10 kt in the afternoon. Seas 3 to 4 ft. 

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

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

3 to 4 ft. 

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

.TUE...E to SE winds 10 kt, shifting to NE in the afternoon.

Seas 3 to 4 ft. 

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



$$



Forecaster Aguirre
​