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Offshore Marine Forecast


000

FZNT24 KNHC 180932

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

532 AM EDT Wed Mar 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.



GMZ001-182145-

Synopsis for the Gulf of America

532 AM EDT Wed Mar 18 2026



.SYNOPSIS...Northeast fresh to strong winds and rough to very 

rough seas over the SE Gulf associated with the passage of a cold

front will diminish later this morning. In the wake of the front,

high pressure will build across the region and prevail into the 

weekend. 



$$



GMZ040-182145-

NW Gulf of America including Stetson Bank-

532 AM EDT Wed Mar 18 2026



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

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

.THU...SE to S winds 10 kt in the morning, becoming variable less

than 5 kt. Seas 3 ft or less. 

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

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

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

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

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

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

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



$$



GMZ041-182145-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

532 AM EDT Wed Mar 18 2026



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

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

.THU...W of 92W, SE winds 10 kt in the morning, becoming variable

less than 5 kt. E of 92W, E winds 10 kt. Seas 3 ft or less. 

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

10 kt late. Seas 3 ft or less. 

.FRI...W of 92W, S to SW winds 10 kt in the morning, becoming

variable less than 5 kt. E of 92W, variable winds less than 5 kt.

Seas 3 ft or less. 

.FRI NIGHT...W of 92W, S winds 10 kt. E of 92W, variable winds

less than 5 kt, becoming S 10 kt late. Seas 3 ft or

less in E swell, subsiding to 3 ft or less late. 

.SAT...S 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. 



$$



GMZ056-182145-

N Central Gulf of America Offshore Waters-

532 AM EDT Wed Mar 18 2026



.TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft in NE to E swell. 

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

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

.THU NIGHT...W of 89W, NE winds 10 kt in the evening, becoming

variable less than 5 kt. E of 89W, N to NE winds 10 to 15 kt.

Seas 3 to 5 ft. 

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

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

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

NE winds 10 kt in the evening. Seas 2 to 4 ft. 

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

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

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

late. Seas 3 ft or less. 

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

5 kt. Seas 3 ft or less. 

.SUN NIGHT...Variable winds less than 5 kt, becoming SE to S

10 kt late. Seas 3 ft or less. 



$$



GMZ057-182145-

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

532 AM EDT Wed Mar 18 2026



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

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

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

.SAT...NE to E 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 SW to W

10 kt late. Seas 3 ft or less. 

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

.SUN NIGHT...W of 85W, variable winds less than 5 kt, becoming S

10 kt late. E of 85W, variable winds less than 5 kt.

Seas 3 ft or less. 



$$



GMZ058-182145-

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

532 AM EDT Wed Mar 18 2026



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

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

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

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

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

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

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

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



$$



GMZ045-182145-

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

532 AM EDT Wed Mar 18 2026



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

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

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

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

.FRI...NE to E winds 10 to 15 kt S of 24N, and variable less than

5 kt N of 24N. Seas 2 to 4 ft. 

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

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

5 kt. Seas 2 to 4 ft. 

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

.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. 



$$



GMZ046-182145-

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

532 AM EDT Wed Mar 18 2026



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

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

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

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

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

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

.SAT...NE to 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 kt. Seas 3 ft or less. 

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



$$



GMZ047-182145-

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

Florida-

532 AM EDT Wed Mar 18 2026



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

swell. 

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

swell. 

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

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

.FRI...N to NE winds 15 to 20 kt. Seas 5 to 7 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...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. 

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

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



$$



GMZ048-182145-

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

532 AM EDT Wed Mar 18 2026



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

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

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

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

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

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

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



$$



GMZ049-182145-

Central Bay of Campeche-

532 AM EDT Wed Mar 18 2026



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

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

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

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

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

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



$$



GMZ050-182145-

E Bay of Campeche including Campeche Bank-

532 AM EDT Wed Mar 18 2026



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

swell. Scattered showers. 

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

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

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

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

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

.SAT...NE winds 10 to 15 kt. Seas 3 to 5 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...NE to E winds 15 to 20 kt. Seas 2 to 4 ft. 



$$



Forecaster Ramos
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