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Offshore Marine Forecast


000

FZNT24 KNHC 202031

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

431 PM EDT Mon Apr 20 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.



GMZ001-210845-

Synopsis for the Gulf of America

431 PM EDT Mon Apr 20 2026



.SYNOPSIS...A cold front has become nearly stationary from near 

Naples, FL west-southwestward to 23.5N96W, then southward to the 

coast of Mexico along 95.5W, SE of Veracruz. Fresh to strong N to 

NE winds and moderate to rough seas will prevail N of the front 

through Tue. Then on Tue, the western portion of this boundary 

will gradually dissipate over the central and western Gulf, while 

the eastern portion will resume moving southward and move across 

Cuba and the Yucatan Channel, before stalling along about 21N Wed 

and dissipating early Thu. Gentle to moderate southeasterly winds 

will return to the Gulf on Thu. 



$$



GMZ040-210845-

NW Gulf of America including Stetson Bank-

431 PM EDT Mon Apr 20 2026



.TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in E swell. 

.TUE...SE winds 15 to 20 kt. Seas 5 to 7 ft. 

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

.WED...SE winds 10 to 15 kt. Seas 4 to 6 ft in E swell. Scattered

showers. 

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

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

.THU NIGHT...SE winds 15 kt. Seas 4 to 6 ft. 

.FRI...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in E to SE

swell. 

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

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

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



$$



GMZ041-210845-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

431 PM EDT Mon Apr 20 2026



.TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft in NE to E swell. 

.TUE...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in NE to E

swell. 

.TUE NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in E

swell. 

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

tstms. 

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

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

.THU NIGHT...SE winds 15 kt. Seas 4 to 6 ft. 

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

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

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

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



$$



GMZ056-210845-

N Central Gulf of America Offshore Waters-

431 PM EDT Mon Apr 20 2026



.TONIGHT...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in NE to E

swell. 

.TUE...E winds 20 kt. Seas 6 to 9 ft in E swell. 

.TUE NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in E to SE

swell. 

.WED...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. Numerous

showers and scattered tstms. 

.WED NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in E to SE

swell. 

.THU...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in E to SE

swell. 

.THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE

swell. 

.FRI...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in E to SE

swell. 

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

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

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



$$



GMZ057-210845-

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

431 PM EDT Mon Apr 20 2026



.TONIGHT...NE winds 20 to 25 kt. Seas 6 to 9 ft in NE swell. 

.TUE...E winds 20 to 25 kt. Seas 6 to 9 ft in E to SE swell. 

.TUE NIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. 

.WED...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in SE swell. 

.WED NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in SE

swell. 

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

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

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

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

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

5 kt. Seas 3 ft or less. 

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

SE swell, subsiding to 3 ft or less late. 



$$



GMZ058-210845-

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

431 PM EDT Mon Apr 20 2026



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

.TUE...SE winds 10 to 15 kt. Seas 5 to 7 ft. 

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

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

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

swell. 

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

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

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

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



$$



GMZ045-210845-

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

431 PM EDT Mon Apr 20 2026



.TONIGHT...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in NE swell.

.TUE...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in NE swell. 

.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in NE to E

swell. 

.WED...SE winds 10 to 15 kt. Seas 5 to 7 ft in NE to E swell. 

.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in NE to E

swell. 

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

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

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

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



$$



GMZ046-210845-

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

431 PM EDT Mon Apr 20 2026



.TONIGHT...NE to E winds 15 to 20 kt. Seas 6 to 9 ft in N to NE

swell. 

.TUE...E winds 15 to 20 kt. Seas 6 to 9 ft in NE swell. 

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

swell. 

.WED...E to SE winds 15 to 20 kt. Seas 6 to 8 ft in E swell.

Scattered showers and isolated tstms.

.WED NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in E

swell. 

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

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

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



$$



GMZ047-210845-

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

Florida-

431 PM EDT Mon Apr 20 2026



.TONIGHT...NE winds 20 to 25 kt. Seas 6 to 8 ft in NW to N swell.

.TUE...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in NE swell. 

.TUE NIGHT...E winds 20 to 25 kt. Seas 7 to 10 ft in E swell. 

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

.WED NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. 

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

.THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft.

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

5 kt. Seas 3 to 5 ft. 

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

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

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



$$



GMZ048-210845-

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

431 PM EDT Mon Apr 20 2026



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

.TUE...NE to E winds 10 kt in the morning, becoming variable less

than 5 kt. Seas 4 to 6 ft in N to NE swell. 

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

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

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

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

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

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

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



$$



GMZ049-210845-

Central Bay of Campeche-

431 PM EDT Mon Apr 20 2026



.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. 

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

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

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

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

.THU...E to SE winds 10 kt. Seas 3 to 5 ft. 

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

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

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



$$



GMZ050-210845-

E Bay of Campeche including Campeche Bank-

431 PM EDT Mon Apr 20 2026



.TONIGHT...NE winds 15 to 20 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...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. 

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

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

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

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

Seas 3 to 5 ft. 

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

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

Seas 2 to 4 ft. 

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



$$



Forecaster Stripling
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