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Offshore Marine Forecast


000

FZNT24 KNHC 171502

OFFNT4



Offshore Waters Forecast for the Gulf of America

NWS National Hurricane Center Miami, FL

1102 AM EDT Wed Jun 17 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.



GMZ001-180315-

Synopsis for the Gulf of America

1102 AM EDT Wed Jun 17 2026



.SYNOPSIS...Tropical Storm Arthur is near 28.6N 95.8W at 11 AM EDT, 

and is moving northeast at 8 kt. Maximum sustained winds are 35 

kt with gusts to 45 kt, and the minimum central pressure is 1001 

mb. Arthur will weaken to a tropical depression near 30.0N 94.2W 

this evening, become a remnant low and move to 31.9N 91.6W Thu 

morning, and dissipate Thu evening. Swells generated by Arthur 

are likely to cause life-threatening surf and rip current 

conditions along the northwestern Gulf Coast for the next couple 

of days. Otherwise, a tightening pressure gradient will develop 

over the basin and sustain fresh to strong southerly winds over 

the western and central Gulf late today through Thu night, and 

moderate to fresh winds over the eastern Gulf. Winds and seas will

begin to diminish late Fri through the weekend as weak high 

pressure settles over the eastern Gulf. 



$$



GMZ040-180315-

NW Gulf of America including Stetson Bank-

1102 AM EDT Wed Jun 17 2026



...TROPICAL STORM WARNING...



.TODAY...TROPICAL STORM CONDITIONS EXPECTED. SW winds 30 to 35 

kt. Seas 8 to 11 ft in S to SW swell. Scattered to numerous 

showers and tstms. 

.TONIGHT...S winds 20 to 25 kt. Seas 6 to 9 ft in SE swell. 

.THU...S winds 20 kt. Seas 5 to 7 ft. 

.THU NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. 

.FRI...SE winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. 

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

swell. 

.SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. 

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

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



$$



GMZ041-180315-

SW Louisiana Offshore Waters including Flower Garden Bank Marine

Sanctuary-

1102 AM EDT Wed Jun 17 2026



...TROPICAL STORM WARNING...



.TODAY...TROPICAL STORM CONDITIONS EXPECTED. S winds 30 to 35 kt

W of 92W, and S 25 to 30 kt E of 92W. Seas 8 to 11 ft in S to SW 

swell. Scattered to numerous showers and isolated tstms. 

.TONIGHT...S winds 25 to 30 kt, diminishing to 15 to 20 kt late.

Seas 7 to 10 ft in SE to S swell. Scattered showers and

isolated tstms. 

.THU...S winds 15 to 20 kt. Seas 6 to 8 ft in SE swell. 

.THU NIGHT...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in SE

swell. 

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

.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE

swell. 

.SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. 

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

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



$$



GMZ056-180315-

N Central Gulf of America Offshore Waters-

1102 AM EDT Wed Jun 17 2026



.TODAY...S winds 15 to 20 kt. Seas 5 to 7 ft. Scattered showers

and isolated tstms. 

.TONIGHT...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in S swell. 

.THU...S winds 20 to 25 kt. Seas 6 to 9 ft in SE to S swell. 

.THU NIGHT...S winds 15 to 20 kt. Seas 6 to 8 ft in SE to S

swell. 

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

.FRI NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. 

.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. 

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

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



$$



GMZ057-180315-

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

1102 AM EDT Wed Jun 17 2026



.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Scattered showers

and isolated tstms. 

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

.THU...S winds 20 to 25 kt. Seas 6 to 8 ft in S to SW swell. 

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

swell. 

.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. 

.FRI NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell. 

.SAT...S to SW winds 10 kt, shifting to W in the afternoon. Seas

3 to 5 ft. 

.SAT NIGHT...W to NW winds 10 kt, shifting to S late.

Seas 2 to 4 ft. 

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



$$



GMZ058-180315-

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

1102 AM EDT Wed Jun 17 2026



.TODAY...S winds 10 to 15 kt W of 96W, and S 20 to 25 kt E of

96W. Seas 6 to 8 ft in E to SE swell. Scattered showers and

isolated tstms. 

.TONIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. 

.THU...SE to S winds 20 to 25 kt. Seas 5 to 7 ft. 

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

.FRI...SE winds 15 to 20 kt. Seas 6 to 8 ft. 

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

.SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft in E swell. 

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

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



$$



GMZ045-180315-

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

1102 AM EDT Wed Jun 17 2026



.TODAY...S winds 15 to 20 kt. Seas 6 to 8 ft in E to SE swell. 

.TONIGHT...SE to S winds 15 to 20 kt. Seas 6 to 8 ft. 

.THU...SE to S winds 15 to 20 kt. Seas 6 to 8 ft. 

.THU NIGHT...SE winds 20 to 25 kt. Seas 6 to 8 ft.

.FRI...SE winds 20 to 25 kt. Seas 6 to 8 ft. 

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

swell. 

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

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

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



$$



GMZ046-180315-

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

1102 AM EDT Wed Jun 17 2026



.TODAY...SE to S winds 15 to 20 kt. Seas 5 to 7 ft.

.TONIGHT...SE winds 25 to 30 kt S of 24N, and SE to S 20 to 25 kt

N of 24N. Seas 6 to 8 ft. 

.THU...SE to S winds 20 to 25 kt. Seas 6 to 8 ft. 

.THU NIGHT...SE winds 20 to 25 kt. Seas 6 to 8 ft.

.FRI...SE winds 15 to 20 kt. Seas 6 to 8 ft in SE swell. 

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

.SAT...SE winds 15 to 20 kt. Seas 5 to 7 ft. 

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

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



$$



GMZ047-180315-

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

Florida-

1102 AM EDT Wed Jun 17 2026



.TODAY...SE to S winds 15 to 20 kt. Seas 4 to 6 ft.

.TONIGHT...SE to S winds 20 to 25 kt. Seas 5 to 7 ft. 

.THU...SE to S winds 15 to 20 kt. Seas 6 to 8 ft. 

.THU NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. 

.FRI...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. 

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

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

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

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



$$



GMZ048-180315-

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

1102 AM EDT Wed Jun 17 2026



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

.TONIGHT...SE winds 20 to 25 kt. Seas 3 to 5 ft. 

.THU...SE to S winds 20 to 25 kt. Seas 4 to 6 ft. 

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

.FRI...SE winds 20 to 25 kt. Seas 5 to 7 ft. 

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

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

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

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



$$



GMZ049-180315-

Central Bay of Campeche-

1102 AM EDT Wed Jun 17 2026



.TODAY...SE to S winds 15 to 20 kt. Seas 3 to 5 ft.

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

.THU...SE winds 20 to 25 kt. Seas 3 to 5 ft. 

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

.FRI...SE winds 15 to 20 kt. Seas 5 to 7 ft. 

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

20 kt late. Seas 4 to 6 ft. 

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

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

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



$$



GMZ050-180315-

E Bay of Campeche including Campeche Bank-

1102 AM EDT Wed Jun 17 2026



.TODAY...W of 90W, SE to S winds 15 to 20 kt. E of 90W, SE to S

winds 15 to 20 kt, shifting to E 20 to 25 kt in the afternoon.

Seas 3 to 5 ft. 

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

20 kt late. E of 90W, E to SE winds 20 to 25 kt. Seas

4 to 6 ft. 

.THU...SE winds 15 to 20 kt W of 90W, and SE 20 to 25 kt E of

90W. Seas 4 to 6 ft. 

.THU NIGHT...NE winds 15 to 20 kt, shifting to SE 20 to 25 kt

late. Seas 4 to 6 ft. 

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

.FRI NIGHT...NE winds 20 to 25 kt, shifting to SE late.

Seas 4 to 6 ft. 

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

afternoon. Seas 4 to 6 ft. 

.SAT NIGHT...NE to E winds 15 to 20 kt, shifting to SE late. Seas

4 to 6 ft. 

.SUN...SE winds 15 to 20 kt, shifting to NE to E in the

afternoon. Seas 3 to 5 ft. 



$$



Forecaster GR