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Offshore Marine Forecast


000

FZNT24 KNHC 121910

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

310 PM EDT Tue May 12 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.



GMZ001-130715-

Synopsis for the Gulf of America

310 PM EDT Tue May 12 2026



.SYNOPSIS...A weak cold front extending from central Florida to 

the Bay of Campeche will stall and dissipate on Wed. Winds will 

be generally moderate or weaker on either side of the front. High 

pressure and quiescent conditions will dominate on Wed and Thu. 

Another weak cold front is forecast to enter the NE Gulf Thu night

and dissipate over the E Gulf on Fri. SE winds are forecast to 

reach moderate to fresh speeds over the western half of the basin 

this weekend. 



$$



GMZ040-130715-

NW Gulf of America including Stetson Bank-

310 PM EDT Tue May 12 2026



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

.WED...Variable winds less than 5 kt, becoming NE 10 kt in the

afternoon. Seas 3 ft or less. 

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

Seas 3 ft or less. 

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

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

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

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

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

.SAT NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft.

.SUN...SE winds 20 kt. Seas 4 to 6 ft. 

.SUN NIGHT...SE winds 20 kt. Seas 5 to 7 ft. 



$$



GMZ041-130715-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

310 PM EDT Tue May 12 2026



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

.WED...N to NE winds 10 kt. Seas 3 ft or less. 

.WED NIGHT...N to NE winds 10 kt in the evening, becoming

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

.THU...Variable winds less than 5 kt. Seas 3 ft or less in E

swell, subsiding to 3 ft or less in the afternoon. 

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

late. Seas 3 ft or less. 

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

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

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

.SAT NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft.

.SUN...SE winds 15 to 20 kt. Seas 4 to 6 ft. 

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



$$



GMZ056-130715-

N Central Gulf of America Offshore Waters-

310 PM EDT Tue May 12 2026



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

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

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

.THU...N winds 10 kt. Seas 3 ft or less. 

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

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

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

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

.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 3 to 5 ft. 



$$



GMZ057-130715-

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

310 PM EDT Tue May 12 2026



.TONIGHT...NW winds 10 to 15 kt W of 85W, and variable less than

5 kt E of 85W. Seas 2 to 4 ft. 

.WED...W of 85W, NW to N winds 10 to 15 kt. E of 85W, variable

winds less than 5 kt, becoming NW 10 kt in the afternoon. Seas

2 to 4 ft. 

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

.THU...NW to N winds 10 kt. Seas 3 ft or less.

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

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

5 kt. Seas 3 ft or less. 

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

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

than 5 kt. Seas 3 ft or less. 

.SAT NIGHT...Variable winds less than 5 kt, becoming SE 10 kt

late. Seas 3 ft or less. 

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

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



$$



GMZ058-130715-

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

310 PM EDT Tue May 12 2026



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

.WED...W of 96W, variable winds less than 5 kt, becoming N to NE

10 kt in the afternoon. E of 96W, N to NE winds 10 kt. Seas 3 ft

or less. 

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

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

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

.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 15 to 20 kt. Seas 3 to 5 ft. 

.SAT NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft.

.SUN...SE winds 15 to 20 kt. Seas 4 to 6 ft. 

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



$$



GMZ045-130715-

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

310 PM EDT Tue May 12 2026



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

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

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

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

.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 to SE winds 15 to 20 kt. Seas 2 to 4 ft. 

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

.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. 

.SUN...SE winds 15 to 20 kt. Seas 4 to 6 ft. 

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



$$



GMZ046-130715-

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

310 PM EDT Tue May 12 2026



.TONIGHT...N winds 10 kt. Seas 3 ft or less. 

.WED...N winds 10 kt. Seas 3 ft or less. 

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

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

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

.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 to 15 kt. Seas 3 to 5 ft. 

.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. 

.SUN...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.

.SUN NIGHT...E to SE winds 20 to 25 kt. Seas 5 to 7 ft. 



$$



GMZ047-130715-

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

Florida-

310 PM EDT Tue May 12 2026



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

.WED...W winds 10 kt. Seas 3 ft or less. 

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

.THU...NW to N winds 10 kt. Seas 3 ft or less.

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

.FRI...S of 24N, NE to E winds 10 kt. N of 24N, NE winds 10 kt in

the morning, becoming variable less than 5 kt. Seas 3 ft or less.

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

.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. 



$$



GMZ048-130715-

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

310 PM EDT Tue May 12 2026



.TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. 

.WED...N winds 10 to 15 kt. Seas 2 to 4 ft. 

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

evening, becoming variable less than 5 kt. Elsewhere, N to NE

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

.THU...N to NE winds 10 kt in the morning, becoming variable less

than 5 kt. Seas 3 ft or less. 

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

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

E 10 kt in the afternoon. Elsewhere, E to SE winds 10 kt. Seas

3 ft or less. 

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

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

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

.SUN...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.

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



$$



GMZ049-130715-

Central Bay of Campeche-

310 PM EDT Tue May 12 2026



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

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

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

showers and isolated tstms. 

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

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

.FRI...Variable winds less than 5 kt S of 20N, and E to SE 10 to

15 kt N of 20N. Seas 2 to 4 ft. 

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

.SAT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. 

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

.SUN...E to SE winds 15 to 20 kt. Seas 4 to 6 ft.

.SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. 



$$



GMZ050-130715-

E Bay of Campeche including Campeche Bank-

310 PM EDT Tue May 12 2026



.TONIGHT...W of 90W, NW to N winds 10 to 15 kt, shifting to NE

late. E of 90W, N to NE winds 10 kt in the evening,

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

.WED...N to NE winds 10 kt. Seas 3 ft or less. 

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

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

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

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

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

.SAT...W of 90W, SE winds 15 to 20 kt, shifting to NE 10 kt in

the afternoon. E of 90W, E winds 15 to 20 kt. Seas 3 to 5 ft. 

.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. 

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

.SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. 



$$



Forecaster AL
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