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Offshore Marine Forecast


000

FZNT24 KNHC 190235

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

1035 PM EDT Mon May 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.



GMZ001-191445-

Synopsis for the Gulf of America

1035 PM EDT Mon May 18 2026



.SYNOPSIS...High pressure over the western Atlantic will extend

a ridge over and just north of the Gulf through the week. Expect

moderate to fresh SE winds over the western Gulf early this week

between the high pressure and lower pressure over Mexico. Fresh

to strong winds will pulse off the northwest Yucatan peninsula

during the evenings through mid-week. 



$$



GMZ040-191445-

NW Gulf of America including Stetson Bank-

1035 PM EDT Mon May 18 2026



.OVERNIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft in SE swell. 

.TUE...SE winds 15 to 20 kt. Seas 5 to 7 ft in SE swell. 

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

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

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

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

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

.FRI...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. 

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



$$



GMZ041-191445-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

1035 PM EDT Mon May 18 2026



.OVERNIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft in SE to S

swell. 

.TUE...SE winds 15 to 20 kt. Seas 5 to 7 ft in SE swell. 

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

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

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

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

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

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

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

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

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



$$



GMZ056-191445-

N Central Gulf of America Offshore Waters-

1035 PM EDT Mon May 18 2026



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

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

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

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

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

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

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

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

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

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

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



$$



GMZ057-191445-

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

1035 PM EDT Mon May 18 2026



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

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

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

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

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

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

.THU NIGHT...W of 85W, SE winds 10 kt. E of 85W, variable winds

less than 5 kt, becoming E to SE 10 kt early in the morning. Seas

3 ft or less. 

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

.FRI NIGHT...W of 85W, SE winds 10 kt. E of 85W, variable winds

less than 5 kt, becoming E to SE 10 kt early in the morning. Seas

3 ft or less. 

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

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



$$



GMZ058-191445-

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

1035 PM EDT Mon May 18 2026



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

swell. 

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

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

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

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

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

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

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

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



$$



GMZ045-191445-

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

1035 PM EDT Mon May 18 2026



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

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

swell. 

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

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

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

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

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

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

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

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

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



$$



GMZ046-191445-

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

1035 PM EDT Mon May 18 2026



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

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

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

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

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

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

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

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

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

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

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



$$



GMZ047-191445-

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

Florida-

1035 PM EDT Mon May 18 2026



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

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

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

.WED...E winds 10 to 15 kt. Seas 2 to 4 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 to 15 kt. Seas 3 ft or less. 

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

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

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

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



$$



GMZ048-191445-

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

1035 PM EDT Mon May 18 2026



.OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. 

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

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

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

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

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

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

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



$$



GMZ049-191445-

Central Bay of Campeche-

1035 PM EDT Mon May 18 2026



.OVERNIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. 

.TUE...E winds 15 to 20 kt. Seas 4 to 6 ft. 

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

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

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

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

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

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

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



$$



GMZ050-191445-

E Bay of Campeche including Campeche Bank-

1035 PM EDT Mon May 18 2026



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

.TUE...E to SE winds 10 to 15 kt, shifting to NE 15 to 20 kt

early in the evening. Seas 4 to 6 ft. 

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

.WED...E to SE winds 10 to 15 kt, shifting to N to NE early in

the evening. Seas 3 to 5 ft. 

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

.THU...E to SE winds 10 to 15 kt, shifting to NE early in the

evening. Seas 3 to 5 ft. 

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

.FRI...W of 90W, SE winds 10 to 15 kt, shifting to NE early in

the evening. E of 90W, E winds 15 to 20 kt. Seas 2 to 4 ft. 

.FRI NIGHT...NE winds 15 to 20 kt, shifting to E to SE early in

the morning. Seas 3 to 5 ft. 

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

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

.SAT NIGHT...NE winds 15 to 20 kt, shifting to E to SE early in

the morning. Seas 3 to 5 ft. 



$$



Forecaster Konarik
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