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Offshore Marine Forecast


000

FZNT24 KNHC 220122

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

922 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.



GMZ001-221330-

Synopsis for the Gulf of America

922 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. High pressure will

build across the Gulf, with a relatively weak pressure gradient

across the area. This will result in gentle to moderate SE winds 

basin- wide by Wed night, then prevailing through late week.



$$



GMZ040-221330-

NW Gulf of America including Stetson Bank-

922 PM EDT Tue Apr 21 2026



.OVERNIGHT...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 to 15 kt. Seas 2 to 4 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. 



$$



GMZ041-221330-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

922 PM EDT Tue Apr 21 2026



.OVERNIGHT...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 3 to 5 ft. 

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

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



$$



GMZ056-221330-

N Central Gulf of America Offshore Waters-

922 PM EDT Tue Apr 21 2026



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

.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 2 to 4 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...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. 



$$



GMZ057-221330-

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

922 PM EDT Tue Apr 21 2026



.OVERNIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. 

.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 4 to 6 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 2 to 4 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. 



$$



GMZ058-221330-

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

922 PM EDT Tue Apr 21 2026



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



$$



GMZ045-221330-

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

922 PM EDT Tue Apr 21 2026



.OVERNIGHT...E 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 to E

swell. 

.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...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...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. 



$$



GMZ046-221330-

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

922 PM EDT Tue Apr 21 2026



.OVERNIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. 

.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. 

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



$$



GMZ047-221330-

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

Florida-

922 PM EDT Tue Apr 21 2026



.OVERNIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. 

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

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



$$



GMZ048-221330-

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

922 PM EDT Tue Apr 21 2026



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

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

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

.THU...E to 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. 



$$



GMZ049-221330-

Central Bay of Campeche-

922 PM EDT Tue Apr 21 2026



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

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

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



$$



GMZ050-221330-

E Bay of Campeche including Campeche Bank-

922 PM EDT Tue Apr 21 2026



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

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

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

.THU...E to 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 3 ft or less. 

.SAT...SE winds 10 to 15 kt, shifting to NE to E early 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 AL
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