780 
FZNT24 KNHC 190328
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
1128 PM EDT Fri Jun 18 2021

Offshore Waters Forecast for the Gulf of Mexico

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.

GMZ001-191530-
Synopsis for the Gulf of Mexico
1128 PM EDT Fri Jun 18 2021

.SYNOPSIS...Potential Tropical Cyclone Three near 28.9N 90.9W 
1007 mb at 11 PM EDT moving N at 11 kt. Maximum sustained winds 40
kt gusts 50 kt. Three will move inland to 30.4N 90.3W Sat 
morning, inland to 31.9N 88.5W Sat evening, inland to 33.2N 85.9W 
Sun morning, inland to 34.1N 82.8W Sun evening, become a remnant 
low and move to 35.5N 79.3W Mon morning, and dissipate Mon 
evening. The majority of strongest winds and frequent squalls and 
tstms are expected to occur north and east of Potential Tropical
Cyclone Three through early Sat afternoon. Seas will subside 
below 12 ft by Sat afternoon. High pressure is forecast to build 
in across the basin in the wake of Three Sat night into early next
week. 

$$

GMZ011-191530-
NW Gulf including Stetson Bank-
1128 PM EDT Fri Jun 18 2021

.OVERNIGHT...Variable winds less than 5 kt, becoming S 10 kt
late. Seas 5 to 7 ft in E to SE swell. 
.SAT...SW winds 10 kt, shifting to SE to S in the afternoon. Seas
4 to 6 ft in E to SE swell. 
.SAT NIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
showers and isolated tstms. 
.SUN...S winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and
isolated tstms. 
.SUN NIGHT...SE to S winds 20 to 25 kt. Seas 4 to 6 ft. 
.MON...SE winds 15 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. 
.WED...SE winds 10 kt. Seas 2 to 4 ft. 

$$

GMZ013-191530-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
1128 PM EDT Fri Jun 18 2021

...TROPICAL STORM WARNING...

.OVERNIGHT...TROPICAL STORM CONDITIONS. SW winds 30 to 40 kt.
Seas 7 to 11 ft in NE to E swell. Scattered showers and isolated
tstms. 
.SAT...TROPICAL STORM CONDITIONS EXPECTED. W of 90W, SW winds
20 to 25 kt. Elsewhere, S to SW winds 30 to 35 kt, diminishing to
20 to 25 kt in the afternoon. Seas 6 to 9 ft. Scattered showers
and isolated tstms. 
.SAT NIGHT...S to SW winds 20 to 25 kt. Seas 6 to 8 ft. Scattered
showers and isolated tstms. 
.SUN...S to SW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
showers and isolated tstms. 
.SUN NIGHT...S winds 20 to 25 kt. Seas 3 to 5 ft. 
.MON...S winds 15 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. 
.TUE...S winds 15 to 20 kt. Seas 3 to 5 ft. 
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. 
.WED...S winds 10 to 15 kt. Seas 2 to 4 ft. 

$$

GMZ015-191530-
NE Gulf N of 25N E of 87W-
1128 PM EDT Fri Jun 18 2021

.OVERNIGHT...SE winds 20 to 25 kt. Seas 6 to 8 ft. 
.SAT...SE to S winds 15 to 20 kt S of 27N, and S 20 to 25 kt
elsewhere. Seas 6 to 8 ft. Scattered showers and isolated tstms. 
.SAT NIGHT...S winds 15 to 20 kt. Seas 5 to 7 ft. Scattered
showers and isolated tstms. 
.SUN...S to SW winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
showers and isolated tstms. 
.SUN NIGHT...S to SW winds 10 kt, shifting to SE 15 to 20 kt
late. Seas 2 to 4 ft. 
.MON...S winds 10 to 15 kt. Seas 3 ft or less. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. 
.TUE...S to SW winds 10 to 15 kt S of 27N, and S to SW 15 to
20 kt elsewhere. Seas 3 ft or less. 
.TUE NIGHT...E to SE winds 10 to 15 kt S of 27N, and S to SW
15 to 20 kt elsewhere. Seas 3 ft or less. 
.WED...S winds 10 to 15 kt. Seas 3 ft or less. 

$$

GMZ017-191530-
W Central Gulf from 22N to 26N W of 94W-
1128 PM EDT Fri Jun 18 2021

.OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.SAT NIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. 
.SUN...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. 
.SUN NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. 
.MON...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft. 
.WED...SE winds 10 to 15 kt. Seas 2 to 4 ft. 

$$

GMZ019-191530-
Central Gulf from 22N to 26N between 87W and 94W-
1128 PM EDT Fri Jun 18 2021

.OVERNIGHT...S winds 20 to 25 kt. Seas 4 to 6 ft. Scattered
showers and isolated tstms. 
.SAT...S winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and
isolated tstms. 
.SAT NIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. 
.SUN...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. 
.SUN NIGHT...SE winds 20 to 25 kt. Seas 3 to 5 ft. 
.MON...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. 
.TUE...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. 
.WED...SE winds 15 to 20 kt. Seas 3 to 5 ft. 

$$

GMZ021-191530-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
1128 PM EDT Fri Jun 18 2021

.OVERNIGHT...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...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...SE to S winds 10 to 15 kt. Seas 3 ft or less. 
.SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. 
.MON...SE winds 10 to 15 kt. Seas 3 ft or less. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. 
.TUE...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. 
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. 
.WED...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. 

$$

GMZ023-191530-
SW Gulf S of 22N W of 94W-
1128 PM EDT Fri Jun 18 2021

.OVERNIGHT...S to SW winds 10 to 15 kt. Seas 3 ft or less. 
.SAT...SE to S winds 15 to 20 kt. Seas 3 ft or less. 
.SAT NIGHT...SE winds 10 to 15 kt. Seas 2 to 4 ft.
.SUN...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. 
.SUN NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. 
.MON...SE winds 15 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. 
.TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. 
.WED...S of 21N W of 95W, S to SW winds 10 kt in the morning,
becoming variable less than 5 kt. Elsewhere, E to SE winds 10 to
15 kt. Seas 2 to 4 ft. 

$$

GMZ025-191530-
E Bay of Campeche including Campeche Bank-
1128 PM EDT Fri Jun 18 2021

.OVERNIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. 
.SAT...SE winds 10 to 15 kt. Seas 3 ft or less. 
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. 
.SUN...SE winds 15 to 20 kt. Seas 2 to 4 ft. 
.SUN NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. 
.MON...Within 60 nm of coast of Campeche, SE winds 15 to 20 kt,
shifting to SE to S 10 kt in the afternoon. Elsewhere, SE winds
15 to 20 kt. Seas 3 to 5 ft. 
.MON NIGHT...Within 60 nm of coast of Campeche, NE winds 10 kt,
shifting to SE 15 to 20 kt late. Elsewhere, E to SE
winds 15 to 20 kt. Seas 3 to 5 ft. 
.TUE...Within 60 nm of coast of Campeche, SE winds 15 to 20 kt,
shifting to NW to N 10 kt in the afternoon. Elsewhere, E to SE
winds 15 to 20 kt. Seas 2 to 4 ft. 
.TUE NIGHT...E winds 15 to 20 kt. Seas 2 to 4 ft. 
.WED...Within 60 nm of coast of Campeche, E to SE winds 10 to
15 kt, shifting to N to NE in the afternoon. Elsewhere, E to SE
winds 15 to 20 kt. Seas 2 to 4 ft. 

$$

Forecaster AKR