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Offshore Marine Forecast


000

FZNT24 KNHC 211921

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

321 PM EDT Tue Apr 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.



GMZ001-220730-

Synopsis for the Gulf of America

321 PM EDT Tue Apr 21 2026



.SYNOPSIS...Fresh to locally strong NE to E winds and rough seas

will gradually diminish tonight in the SE Gulf as high pressure

builds into the basin. As the high settles over the region, gentle

to moderate SE winds will develop basin-wide by Wed night, then

prevail through late week. 



$$



GMZ040-220730-

NW Gulf of America including Stetson Bank-

321 PM EDT Tue Apr 21 2026



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

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

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

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

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

.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 to 15 kt. Seas 2 to 4 ft. 

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

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

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



$$



GMZ041-220730-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

321 PM EDT Tue Apr 21 2026



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

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

showers. 

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

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

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

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

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

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

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



$$



GMZ056-220730-

N Central Gulf of America Offshore Waters-

321 PM EDT Tue Apr 21 2026



.TONIGHT...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 5 to 7 ft. 

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

swell. 

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

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

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

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

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

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

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

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



$$



GMZ057-220730-

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

321 PM EDT Tue Apr 21 2026



.TONIGHT...E 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 5 to 7 ft in SE swell. 

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

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

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

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

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

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



$$



GMZ058-220730-

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

321 PM EDT Tue Apr 21 2026



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

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

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

.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...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 2 to 4 ft. 



$$



GMZ045-220730-

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

321 PM EDT Tue Apr 21 2026



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

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

.THU NIGHT...E to 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 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. 

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

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



$$



GMZ046-220730-

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

321 PM EDT Tue Apr 21 2026



.TONIGHT...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. 

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

swell. 

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

Scattered showers. 

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

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

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

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



$$



GMZ047-220730-

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

Florida-

321 PM EDT Tue Apr 21 2026



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

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

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

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

tstms. 

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

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

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

.SAT...E to SE 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. 



$$



GMZ048-220730-

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

321 PM EDT Tue Apr 21 2026



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

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

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

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

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

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

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



$$



GMZ049-220730-

Central Bay of Campeche-

321 PM EDT Tue Apr 21 2026



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

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

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

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

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

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

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

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

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



$$



GMZ050-220730-

E Bay of Campeche including Campeche Bank-

321 PM EDT Tue Apr 21 2026



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

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

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

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

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

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



$$



Forecaster Konarik
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