You have returned to the top of the page and may restart browsing.
Skip Main Navigation
You have skipped the global top navigation and may now begin browsing the page.
  1. Home
  2. Departments
  3. Alabama Power-USA Coastal Weather Research Center
  4. Dr. Bill's Marine Weather
  5. Offshore Marine Forecast

Offshore Marine Forecast


000

FZNT24 KNHC 180327

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

1127 PM EDT Tue Mar 17 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.



GMZ001-181530-

Synopsis for the Gulf of America

1127 PM EDT Tue Mar 17 2026



.SYNOPSIS...N to NE fresh to strong winds and rough to very rough

seas associated with the passage of a cold front will diminish by  

Wed morning. In the wake of the front, high pressure will build 

across the region and prevail into the weekend. 



$$



GMZ040-181530-

NW Gulf of America including Stetson Bank-

1127 PM EDT Tue Mar 17 2026



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

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

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

.THU...Variable winds less than 5 kt, becoming SE 10 kt late.

Seas 3 ft or less. 

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

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

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

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

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

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

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



$$



GMZ041-181530-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

1127 PM EDT Tue Mar 17 2026



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

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

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

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

.THU NIGHT...W of 92W, SE to S winds 10 kt. E of 92W, variable

winds less than 5 kt, becoming E to SE 10 kt early. Seas 3 ft or

less. 

.FRI...S winds 10 kt W of 92W, and variable less than 5 kt E of

92W. Seas 3 ft or less. 

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

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

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

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

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



$$



GMZ056-181530-

N Central Gulf of America Offshore Waters-

1127 PM EDT Tue Mar 17 2026



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

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

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

.FRI...W of 89W, NE to E winds 10 kt late in the morning,

becoming variable less than 5 kt. E of 89W, NE to E winds 10 to

15 kt. Seas 2 to 4 ft. 

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

winds 10 kt late in the evening, becoming variable less than

5 kt. Seas 3 ft or less. 

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

variable winds less than 5 kt, becoming SE to S 10 kt late. Seas

3 ft or less. 

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

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

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



$$



GMZ057-181530-

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

1127 PM EDT Tue Mar 17 2026



.OVERNIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. 

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

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

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

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

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

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

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

less than 5 kt. Seas 3 ft or less. 

.SAT NIGHT...S winds 10 kt W of 85W, and variable less than 5 kt

E of 85W. Seas 3 ft or less. 

.SUN...SE to S winds 10 kt W of 85W, and variable less than 5 kt

E of 85W. Seas 3 ft or less. 

.SUN NIGHT...W of 85W, SE to S winds 10 kt. E of 85W, variable

winds less than 5 kt, becoming SE to S 10 kt early. Seas 3 ft or

less. 



$$



GMZ058-181530-

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

1127 PM EDT Tue Mar 17 2026



.OVERNIGHT...E winds 10 kt. Seas 5 to 7 ft in NE swell. 

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

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

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

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

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

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



$$



GMZ045-181530-

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

1127 PM EDT Tue Mar 17 2026



.OVERNIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft in NE swell. 

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

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

swell. 

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

.SUN...E to 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. 



$$



GMZ046-181530-

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

1127 PM EDT Tue Mar 17 2026



.OVERNIGHT...NE winds 15 to 20 kt. Seas 7 to 11 ft in N to NE

swell. 

.WED...NE winds 10 to 15 kt. Seas 6 to 8 ft in NE swell. 

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

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

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

swell. 

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

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

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

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

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

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



$$



GMZ047-181530-

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

Florida-

1127 PM EDT Tue Mar 17 2026



.OVERNIGHT...N to NE winds 20 to 25 kt. Seas 8 to 12 ft in N

swell. 

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

swell. 

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

.THU...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. 

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

.FRI...NE winds 15 to 20 kt. Seas 4 to 6 ft. 

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

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

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

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

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



$$



GMZ048-181530-

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

1127 PM EDT Tue Mar 17 2026



.OVERNIGHT...N to NE winds 10 to 15 kt. Seas 6 to 9 ft in N to NE

swell. 

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

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

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

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

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

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

.SAT...S of 21N W of 95W, variable winds less than 5 kt, becoming

NE to E 10 kt late. Elsewhere, E winds 10 to 15 kt. Seas 2 to

4 ft. 

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

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

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



$$



GMZ049-181530-

Central Bay of Campeche-

1127 PM EDT Tue Mar 17 2026



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

swell. 

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

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

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

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

.FRI...NE winds 10 to 15 kt. Seas 2 to 4 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 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. 



$$



GMZ050-181530-

E Bay of Campeche including Campeche Bank-

1127 PM EDT Tue Mar 17 2026



.OVERNIGHT...N to NE winds 15 to 20 kt. Seas 7 to 10 ft in N

swell. Scattered showers. 

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

swell. 

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

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

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

.FRI...NE winds 15 to 20 kt. Seas 4 to 6 ft. 

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

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

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

.SUN...NE to 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 Ramos
​