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Offshore Marine Forecast


000

FZNT24 KNHC 182043

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

443 PM EDT Sat Apr 18 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.



GMZ001-190845-

Synopsis for the Gulf of America

443 PM EDT Sat Apr 18 2026



.SYNOPSIS...Weak ridging across the northern Gulf will shift east

this evening ahead of a strong cold front that will move off the

Texas coast overnight. Fresh to strong N to NE winds and building

seas will follow the cold front as it moves across the northern 

Gulf tonight through the early part of the week. The front will 

stall from the Florida Straits to south Texas by late Mon then 

dissipate into mid week. Looking ahead, fresh SE winds will return

to the northwest Gulf by late Thu.



$$



GMZ040-190845-

NW Gulf of America including Stetson Bank-

443 PM EDT Sat Apr 18 2026



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

.SUN...NE winds 20 to 30 kt. Seas 6 to 9 ft in N swell. 

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

swell. 

.MON...E winds 15 to 20 kt. Seas 6 to 8 ft. Scattered showers and

isolated tstms. 

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

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

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

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

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

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

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



$$



GMZ041-190845-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

443 PM EDT Sat Apr 18 2026



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

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

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

swell. 

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

.MON NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft in NE to E

swell. 

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

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

swell. 

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

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

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

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



$$



GMZ056-190845-

N Central Gulf of America Offshore Waters-

443 PM EDT Sat Apr 18 2026



.TONIGHT...W of 89W, SE winds 10 kt in the evening. Variable

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

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

.SUN...N to NE winds 15 to 20 kt. Seas 3 ft or less, building to

5 to 7 ft in the afternoon. 

.SUN NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. 

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

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

swell. 

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

.TUE NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in E

swell. 

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

swell. 

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

swell. 

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

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



$$



GMZ057-190845-

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

443 PM EDT Sat Apr 18 2026



.TONIGHT...Variable winds less than 5 kt, becoming NW to N 10 kt

late. Seas 3 ft or less. 

.SUN...W of 85W, NW to N winds 10 kt, shifting to N to NE 15 to

20 kt in the afternoon. E of 85W, N winds 10 kt. Seas 3 ft or

less, building to 4 to 6 ft in the afternoon. 

.SUN NIGHT...W of 85W, N to NE winds 20 to 25 kt. E of 85W, N

winds 10 kt, shifting to N to NE 15 to 20 kt late. Seas

5 to 7 ft. 

.MON...NE winds 15 to 20 kt. Seas 5 to 7 ft. 

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

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

.TUE NIGHT...E winds 15 to 20 kt. Seas 6 to 9 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 winds 10 to 15 kt. Seas 5 to 7 ft in SE swell. 

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

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



$$



GMZ058-190845-

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

443 PM EDT Sat Apr 18 2026



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

.SUN...N winds 20 to 25 kt W of 96W, and E 10 to 15 kt E of 96W.

Seas 5 to 7 ft. Scattered showers and isolated tstms. 

.SUN NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft in NE swell.

Scattered showers and isolated tstms. 

.MON...N to NE winds 10 kt W of 96W, and E 15 to 20 kt E of 96W.

Seas 5 to 7 ft in N to NE swell. Scattered showers and isolated

tstms. 

.MON NIGHT...E to SE winds 10 to 15 kt W of 96W, and E 15 to

20 kt E of 96W. Seas 6 to 8 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 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. 

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

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



$$



GMZ045-190845-

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

443 PM EDT Sat Apr 18 2026



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

.SUN...NE to E winds 10 to 15 kt. Seas 4 to 6 ft.

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

swell. 

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

.MON NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft in NE

swell. 

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

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

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

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

swell. 



$$



GMZ046-190845-

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

443 PM EDT Sat Apr 18 2026



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

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

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

.MON...NE winds 15 to 20 kt. Seas 5 to 7 ft. 

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

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

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

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

swell. 

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

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

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



$$



GMZ047-190845-

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

Florida-

443 PM EDT Sat Apr 18 2026



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

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

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

.MON...NE winds 10 to 15 kt. Seas 5 to 7 ft in N swell. 

.MON NIGHT...NE winds 10 to 15 kt S of 24N, and NE 20 to 25 kt N

of 24N. Seas 6 to 8 ft. 

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

swell. 

.TUE NIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft in NE to E

swell. 

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

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

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

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



$$



GMZ048-190845-

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

443 PM EDT Sat Apr 18 2026



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

.SUN...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. 

.SUN NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft in NE to E

swell. Scattered showers and isolated tstms. 

.MON...N to NE winds 10 to 15 kt. Seas 4 to 6 ft in NE swell.

Scattered showers and isolated tstms.

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

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

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

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

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

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

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



$$



GMZ049-190845-

Central Bay of Campeche-

443 PM EDT Sat Apr 18 2026



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

.SUN...NE to E winds 10 to 15 kt. Seas 4 to 6 ft.

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

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

.MON NIGHT...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 in N to NE

swell. 

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

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

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

swell. 

.THU...S of 20N, E winds 10 kt in the morning, becoming variable

less than 5 kt. N of 20N, E to SE winds 10 kt. Seas 4 to 6 ft in

NE swell. 

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



$$



GMZ050-190845-

E Bay of Campeche including Campeche Bank-

443 PM EDT Sat Apr 18 2026



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

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

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

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

.MON NIGHT...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 5 to 7 ft. 

.WED...W of 90W, E to SE winds 10 to 15 kt, shifting to NE in the

afternoon. E of 90W, E winds 15 to 20 kt. Seas 5 to 7 ft in N to

NE swell. 

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

swell. 

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

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



$$



Forecaster Christensen
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