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 231905

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

305 PM EDT Wed Sep 23 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.



GMZ001-240715-

Synopsis for the Gulf of America

305 PM EDT Wed Sep 23 2026



.SYNOPSIS...A weak pressure gradient will generate gentle to

moderate winds across the Gulf through Thu. An upper-level

trough will support scattered showers and thunderstorms over the

SE Gulf and the Straits of Florida for at least the next couple

of days. A cold front is forecast to move into the NE Gulf Thu

night and Fri. The front will shift southward before stalling

over the SE Gulf this weekend. 



$$



GMZ040-240715-

NW Gulf of America including Stetson Bank-

305 PM EDT Wed Sep 23 2026



.TONIGHT...E winds 15 kt. Seas 2 to 4 ft. 

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

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

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

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

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

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

.MON...SE winds 10 kt. Seas 3 ft or less. 

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



$$



GMZ041-240715-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

305 PM EDT Wed Sep 23 2026



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

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

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

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

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

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

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



$$



GMZ056-240715-

N Central Gulf of America Offshore Waters-

305 PM EDT Wed Sep 23 2026



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

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

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

.FRI...NE to E 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 3 to 5 ft. 

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

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

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

.MON...E winds 10 kt. Seas 3 ft or less. 

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



$$



GMZ057-240715-

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

305 PM EDT Wed Sep 23 2026



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

Scattered showers and isolated tstms. 

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

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

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

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

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

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

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

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

.MON...E winds 10 kt. Seas 3 ft or less. 

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



$$



GMZ058-240715-

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

305 PM EDT Wed Sep 23 2026



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

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

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

showers and isolated tstms. 

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

showers and isolated tstms. 

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

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

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

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

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



$$



GMZ045-240715-

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

305 PM EDT Wed Sep 23 2026



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

.THU...E winds 10 kt. Seas 3 ft or less. Scattered showers and

isolated tstms. 

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

.FRI...E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered showers and

isolated tstms. 

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

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

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

.SUN...Variable winds less than 5 kt S of 24N, and E 10 kt N of

24N. Seas 2 to 4 ft. 

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

.MON...Variable winds less than 5 kt. Seas 3 ft or less. 

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



$$



GMZ046-240715-

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

305 PM EDT Wed Sep 23 2026



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

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

showers and isolated tstms. 

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

showers and isolated tstms. 

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

showers and isolated tstms. 

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

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

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

.SUN...S of 24N, SE winds 10 kt in the morning, becoming variable

less than 5 kt. N of 24N, NE to E winds 10 kt. Seas 3 ft or less.

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

.MON...SE winds 10 kt. Seas 3 ft or less. 

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



$$



GMZ047-240715-

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

Florida-

305 PM EDT Wed Sep 23 2026



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

.THU...Variable winds less than 5 kt S of 24N, and NE 10 kt N of

24N. Seas 3 ft or less. 

.THU NIGHT...S of 24N, NE winds 10 kt in the evening, becoming

variable less than 5 kt. N of 24N, NE winds 10 to 15 kt. Seas

2 to 4 ft. Scattered showers and isolated tstms. 

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

and isolated tstms. 

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

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

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

.SUN...S of 24N, variable winds less than 5 kt. N of 24N, NE to E

winds 10 kt in the morning, becoming variable less than 5 kt.

Seas 3 ft or less. 

.SUN NIGHT...NE to E winds 10 kt in the evening, becoming

variable less than 5 kt. Seas 3 ft or less. 

.MON...Variable winds less than 5 kt. Seas 3 ft or less. 

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



$$



GMZ048-240715-

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

305 PM EDT Wed Sep 23 2026



.TONIGHT...S of 21N W of 95W, N to NE winds 10 kt in the evening,

becoming variable less than 5 kt. Elsewhere, NE winds 10 kt. Seas

3 ft or less. Scattered showers and isolated tstms. 

.THU...N winds 10 kt. Seas 3 ft or less. Scattered showers and

isolated tstms. 

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

Scattered tstms. 

.FRI...N winds 10 kt. Seas 3 ft or less. Scattered showers and

isolated tstms. 

.FRI NIGHT...S of 21N W of 95W, N to NE winds 10 to 15 kt in the

evening, becoming variable less than 5 kt. Elsewhere, NE winds

10 kt. Seas 3 ft or less. 

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

NW to N 10 kt in the afternoon. Elsewhere, variable winds less

than 5 kt. Seas 3 ft or less. 

.SAT NIGHT...S of 21N W of 95W, NE winds 10 kt in the evening,

becoming variable less than 5 kt. Elsewhere, NE to E winds 10 kt.

Seas 3 ft or less. 

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

Elsewhere, SE winds 10 kt in the morning, becoming variable less

than 5 kt. Seas 3 ft or less. 

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

.MON...SE winds 10 kt. Seas 3 ft or less. 

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

building to 2 to 4 ft late. 



$$



GMZ049-240715-

Central Bay of Campeche-

305 PM EDT Wed Sep 23 2026



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

showers and isolated tstms. 

.THU...NE winds 10 kt. Seas 3 ft or less. Scattered showers and

isolated tstms. 

.THU NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. Scattered

showers and isolated tstms. 

.FRI...NE to E winds 10 kt. Seas 3 ft or less. Scattered showers

and isolated tstms. 

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

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

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

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

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

.MON...E to SE winds 10 kt in the morning, becoming variable less

than 5 kt. Seas 3 ft or less. 

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



$$



GMZ050-240715-

E Bay of Campeche including Campeche Bank-

305 PM EDT Wed Sep 23 2026



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

showers and isolated tstms. 

.THU...E winds 10 kt. Seas 3 ft or less. Scattered showers and

isolated tstms. 

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

Scattered showers and isolated tstms. 

.FRI...W of 90W, E winds 10 kt. E of 90W, variable winds less

than 5 kt, becoming NE to E 10 kt in the afternoon. Seas 3 ft or

less. 

.FRI NIGHT...NE to E winds 10 to 15 kt, shifting to E to SE late.

Seas 3 ft or less. 

.SAT...SE winds 10 kt W of 90W, and variable less than 5 kt E of

90W. Seas 3 ft or less. 

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

.SUN...SE winds 10 kt, shifting to N in the afternoon. Seas 3 ft

or less. 

.SUN NIGHT...NE winds 10 kt, shifting to E to SE late.

Seas 3 ft or less. 

.MON...W of 90W, SE winds 10 kt in the morning, becoming variable

less than 5 kt. E of 90W, SE to S winds 10 kt, shifting to NE in

the afternoon. Seas 3 ft or less. 

.MON NIGHT...NE winds 10 to 15 kt, shifting to SE late.

Seas 3 ft or less. 



$$



Forecaster AL
​