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Offshore Marine Forecast


000

FZNT24 KNHC 200921

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

521 AM EDT Mon Jul 20 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.



GMZ001-202130-

Synopsis for the Gulf of America

521 AM EDT Mon Jul 20 2026



.SYNOPSIS...Tropical Depression Two is near 28.5N 85.4W at 5 AM EDT, 

and is moving northwest at 3 kt. Maximum sustained winds are 30 

kt with gusts to 35 kt, and the minimum central pressure is 1007 

mb. Two will strengthen to a tropical storm near 28.7N 85.8W this 

afternoon, move to 29.0N 86.3W Tue morning, 29.3N 86.9W Tue 

afternoon, 29.6N 87.8W Wed morning, 29.8N 89.1W Wed afternoon, and

inland to 29.7N 90.9W Thu morning. Two will change little in 

intensity as it moves near 29.6N 93.0W early Fri. 



$$



GMZ040-202130-

NW Gulf of America including Stetson Bank-

521 AM EDT Mon Jul 20 2026



.TODAY...SW winds 10 kt. Seas 3 ft or less. 

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

.TUE...SW to W winds 10 to 15 kt. Seas 3 ft or less. 

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

.WED...SW to W winds 10 to 15 kt. Seas 3 ft or less. 

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

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

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

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



$$



GMZ041-202130-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

521 AM EDT Mon Jul 20 2026



.TODAY...W to NW winds 10 to 15 kt. Seas 3 ft or less. 

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

.TUE...W to NW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered

tstms. 

.TUE NIGHT...SW to W winds 15 to 20 kt. Seas 3 to 5 ft. Scattered

showers and isolated tstms. 

.WED...SW to W winds 20 to 25 kt. Seas 6 to 8 ft. 

.WED NIGHT...SW winds 20 to 25 kt. Seas 6 to 8 ft in NW swell. 

.THU...SW winds 15 to 20 kt. Seas 5 to 7 ft. 

.THU NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. 

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



$$



GMZ056-202130-

N Central Gulf of America Offshore Waters-

521 AM EDT Mon Jul 20 2026



...TROPICAL STORM WARNING...



.TODAY...NW winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers

and isolated tstms. 

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. W to NW winds

10 to 15 kt W of 89W, and W to NW 20 to 25 kt E of 89W. Seas 5 to

7 ft. Scattered showers and isolated tstms. 

.TUE...TROPICAL STORM CONDITIONS EXPECTED. W of 89W, W winds

15 to 20 kt. E of 89W, W winds 25 to 30 kt, increasing to 40 to

45 kt in the afternoon. Seas 7 to 10 ft. Numerous showers and

scattered tstms. 

.TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW to W winds

20 to 25 kt W of 89W, and SW 40 to 45 kt E of 89W. Seas 9 to

13 ft. Scattered showers and isolated tstms. 

.WED...TROPICAL STORM CONDITIONS POSSIBLE. W of 89W, SW to W

winds 25 to 30 kt. E of 89W, SW winds 35 to 40 kt, diminishing to

25 to 30 kt in the afternoon. Seas 10 to 16 ft in W to NW swell. 

.WED NIGHT...SW winds 25 to 30 kt, becoming S to SW 15 to 20 kt

late. Seas 8 to 12 ft in W to NW swell. 

.THU...S to SW winds 15 to 20 kt. Seas 6 to 8 ft in W to NW

swell. 

.THU NIGHT...S winds 10 kt. Seas 4 to 6 ft in W to NW swell. 

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



$$



GMZ057-202130-

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

521 AM EDT Mon Jul 20 2026



...TROPICAL STORM WARNING...



.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. SW to W winds 25 to

30 kt. Seas 6 to 9 ft in SW to W swell. Scattered showers and

isolated tstms. 

.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW to W winds

30 to 35 kt W of 85W, and S to SW 20 to 25 kt E of 85W. Seas 7 to

10 ft in SW to W swell. Scattered showers and isolated tstms. 

.TUE...TROPICAL STORM CONDITIONS EXPECTED. SW winds 35 to 45 kt

W of 85W, and S to SW 25 to 30 kt E of 85W. Seas 8 to 12 ft.

Scattered showers and isolated tstms. 

.TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 85W, SW

winds 40 to 45 kt, becoming S to SW 30 to 35 kt late. E

of 85W, S to SW winds 20 to 25 kt. Seas 10 to 15 ft. Scattered

showers and isolated tstms. 

.WED...S to SW winds 25 to 30 kt W of 85W, and S 15 to 20 kt E of

85W. Seas 9 to 14 ft in W to NW swell. 

.WED NIGHT...S to SW winds 15 to 20 kt. Seas 7 to 10 ft in W to

NW swell. 

.THU...S winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. 

.THU NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. 

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



$$



GMZ058-202130-

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

521 AM EDT Mon Jul 20 2026



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

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

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

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

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

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

.THU...SE to S winds 10 to 15 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. 



$$



GMZ045-202130-

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

521 AM EDT Mon Jul 20 2026



.TODAY...N winds 10 kt, shifting to NE to E in the afternoon.

Seas 3 ft or less. 

.TONIGHT...NE winds 10 kt, shifting to E to SE late.

Seas 3 ft or less. 

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

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

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

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

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

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

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



$$



GMZ046-202130-

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

521 AM EDT Mon Jul 20 2026



.TODAY...W winds 10 to 15 kt. Seas 3 to 5 ft. Scattered showers

and isolated tstms. 

.TONIGHT...S of 24N, N winds 10 kt, shifting to SE late. N of

24N, W winds 15 to 20 kt. Seas 3 to 5 ft.

Scattered showers and isolated tstms. 

.TUE...S winds 10 to 15 kt S of 24N, and SW to W 15 to 20 kt N of

24N. Seas 3 to 5 ft. Scattered showers and isolated tstms. 

.TUE NIGHT...W to NW winds 15 to 20 kt, shifting to SE to S 10 to

15 kt late. Seas 4 to 6 ft. 

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

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

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



$$



GMZ047-202130-

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

Florida-

521 AM EDT Mon Jul 20 2026



.TODAY...SW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers

and isolated tstms. 

.TONIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. 

.TUE...SE to S winds 10 to 15 kt S of 24N, and S to SW 15 to

20 kt N of 24N. Seas 4 to 6 ft. 

.TUE NIGHT...S to SW winds 15 to 20 kt, shifting to SE 10 to

15 kt late. Seas 4 to 6 ft. 

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

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

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



$$



GMZ048-202130-

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

521 AM EDT Mon Jul 20 2026



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

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

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

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

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

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

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

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

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



$$



GMZ049-202130-

Central Bay of Campeche-

521 AM EDT Mon Jul 20 2026



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

.TONIGHT...NE winds 15 to 20 kt. Seas 3 ft or less. 

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

.TUE NIGHT...NE winds 15 to 20 kt. Seas 3 ft or less. 

.WED...E winds 15 to 20 kt S of 20N, and E to SE 10 to 15 kt N of

20N. Seas 2 to 4 ft. 

.WED NIGHT...NE winds 15 to 20 kt S of 20N, and NE to E 10 to

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

.THU...E winds 15 to 20 kt S of 20N, and E to SE 10 to 15 kt N of

20N. Seas 2 to 4 ft. 

.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. 



$$



GMZ050-202130-

E Bay of Campeche including Campeche Bank-

521 AM EDT Mon Jul 20 2026



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

.TONIGHT...N to NE winds 10 to 15 kt, shifting to E 15 to 20 kt

late. Seas 3 ft or less. 

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

.TUE NIGHT...N to NE winds 15 to 20 kt, shifting to E late. Seas

3 ft or less. 

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

.WED NIGHT...N to NE winds 15 to 20 kt, shifting to E 10 to 15 kt

late. Seas 3 ft or less. 

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

afternoon. Seas 2 to 4 ft. 

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

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

afternoon. Seas 2 to 4 ft. 



$$



Forecaster Ramos
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