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Offshore Marine Forecast


000

FZNT24 KNHC 210759

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

359 AM EDT Tue Oct 21 2025



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.



GMZ001-212000-

Synopsis for the Gulf of America

359 AM EDT Tue Oct 21 2025



.SYNOPSIS...A stationary front from south Florida to the central

Gulf will dissipate today. High pressure will build over the 

basin in the wake of this front, leading to gentle to moderate 

winds and slight seas over the Gulf through Thu. Winds across the 

eastern Gulf might increase later this week into the weekend. 



$$



GMZ040-212000-

NW Gulf of America including Stetson Bank-

359 AM EDT Tue Oct 21 2025



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

than 5 kt. Seas 2 to 4 ft. 

.TONIGHT...S of 27N, E winds 10 kt. N of 27N, variable winds less

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

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

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

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

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

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

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

.SAT...SE to S winds 20 kt, shifting to S 10 to 15 kt in the

afternoon. Seas 3 to 5 ft. 

.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 



$$



GMZ041-212000-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

359 AM EDT Tue Oct 21 2025



.TODAY...W of 92W, variable less than 5 kt. Variable winds less

than 5 kt in the morning. E of 92W, NE winds 10 kt in the

afternoon. Seas 3 ft or less. 

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

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

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

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

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

.FRI...E to SE winds 15 kt. Seas 2 to 4 ft. 

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

.SAT...SE to S winds 15 to 20 kt, diminishing to 10 kt in the

afternoon. Seas 3 to 5 ft. 

.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. 



$$



GMZ056-212000-

N Central Gulf of America Offshore Waters-

359 AM EDT Tue Oct 21 2025



.TODAY...Variable winds less than 5 kt, becoming N to NE 10 kt in

the afternoon. Seas 3 ft or less. 

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

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

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

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

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

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

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

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

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



$$



GMZ057-212000-

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

359 AM EDT Tue Oct 21 2025



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

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

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

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

.THU...NE winds 15 kt. Seas 2 to 4 ft. 

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

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

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

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

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



$$



GMZ058-212000-

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

359 AM EDT Tue Oct 21 2025



.TODAY...SE to S winds 10 kt in the morning, becoming variable

less than 5 kt. Seas 3 ft or less. 

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

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

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

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

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

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

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

.SAT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. 

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



$$



GMZ045-212000-

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

359 AM EDT Tue Oct 21 2025



.TODAY...E winds 10 kt. Seas 2 to 4 ft. 

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

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

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

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

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

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

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

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

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



$$



GMZ046-212000-

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

359 AM EDT Tue Oct 21 2025



.TODAY...NE to E winds 10 kt. Seas 2 to 4 ft. 

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

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

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

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

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

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

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

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

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



$$



GMZ047-212000-

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

Florida-

359 AM EDT Tue Oct 21 2025



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

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

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

.WED NIGHT...NE winds 15 kt. Seas 2 to 4 ft. 

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

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

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

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

swell. 

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

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



$$



GMZ048-212000-

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

359 AM EDT Tue Oct 21 2025



.TODAY...S of 21N W of 95W, variable winds less than 5 kt in the

morning. Variable winds less than 5 kt in the afternoon.

Elsewhere, E winds 10 kt in the morning. Seas 3 ft or less.

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

showers and isolated tstms. 

.WED...N winds 10 to 15 kt. Seas 3 ft or less. Scattered showers

and isolated tstms. 

.WED NIGHT...N to NE winds 10 kt. Seas 3 ft or less. Scattered

showers and isolated tstms. 

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

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

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

Seas 3 ft or less. 

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

SE 10 kt elsewhere. Seas 2 to 4 ft. 

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

.SAT...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. 



$$



GMZ049-212000-

Central Bay of Campeche-

359 AM EDT Tue Oct 21 2025



.TODAY...E to SE winds 10 kt in the morning, becoming variable

less than 5 kt. Seas 3 ft or less. 

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

showers and isolated tstms. 

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

.WED NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Scattered

showers and isolated tstms. 

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

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

.FRI...E winds 10 to 15 kt. Seas 2 to 4 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...NE to E winds 10 to 15 kt. Seas 3 ft or less. 



$$



GMZ050-212000-

E Bay of Campeche including Campeche Bank-

359 AM EDT Tue Oct 21 2025



.TODAY...W of 90W, E to SE winds 10 kt in the morning, becoming

variable less than 5 kt. E of 90W, NE to E winds 10 kt. Seas 3 ft

or less. 

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

showers and isolated tstms. 

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

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

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

.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 to 5 ft.

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

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

.SAT NIGHT...NE winds 10 kt. Seas 3 to 5 ft. 



$$



Forecaster AL
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