Offshore Marine Forecast

FZNT24 KNHC 252055
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
455 PM EDT Fri May 25 2018

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.

GMZ001-260900-
Synopsis for the Gulf of Mexico
455 PM EDT Fri May 25 2018

.SYNOPSIS...At 5 PM EST, Subtropical Storm Alberto was centered
near 19.4N 86.3W with a surface pressure of 1005 mb and maximum
sustained wind speeds of 35 kt gusting to 45 kt. Alberto is moving
E at 2 kt. The storm will intensify while moving northward,
reaching 22.5N 85.7W Sat afternoon with wind speeds of 45 kt
gusting to 55 kt. Alberto will transition to a tropical cyclone
Sun afternoon centered near 26.8N 86.2W with wind speeds of 55 kt
gusting to 65 kt, near 29.0N 87.8W Mon afternoon with wind speeds
of 55 kt gusting to 65 kt, then inland near 31.7N 88.6W Tuesday
afternoon. 

$$

GMZ011-260900-
NW Gulf including Stetson Bank-
455 PM EDT Fri May 25 2018

.TONIGHT...E to SE winds 5 to 10 kt. Seas 3 ft or less. 
.SAT...S winds 5 to 10 kt. Seas 3 ft or less. 
.SAT NIGHT...E winds 5 to 10 kt. Seas 3 ft or less. 
.SUN...S to SW winds 5 kt, shifting to W to NW in the afternoon.
Seas 3 ft or less. 
.SUN NIGHT...N winds 5 to 10 kt, shifting to W to NW late. Seas
2 to 4 ft. 
.MON...W to NW winds 5 to 10 kt. Seas 4 to 6 ft in E swell. 
.MON NIGHT...NW winds 5 to 10 kt, shifting to SW late.
Seas 3 to 5 ft in E swell. 
.TUE...SW to W winds 5 to 10 kt. Seas 3 ft or less. 
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 3 ft or less. 
.WED...S winds 10 to 15 kt. Seas 3 ft or less. 

$$

GMZ013-260900-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
455 PM EDT Fri May 25 2018

.TONIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. 
.SAT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. Scattered
showers and isolated thunderstorms. 
.SAT NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to
15 kt W of 90W, and NE 20 to 25 kt elsewhere. Seas 4 to 6 ft,
building to 7 to 10 ft in SE swell late. Scattered
showers and isolated thunderstorms. 
.SUN... TROPICAL STORM CONDITIONS POSSIBLE. N winds 15 to 20 kt W
of 90W, and N 30 to 35 kt elsewhere. Seas 10 to 15 ft in E to SE
swell. Scattered showers and isolated thunderstorms. 
.SUN NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. NW to N winds
20 to 25 kt W of 90W, and NW 45 to 55 kt elsewhere. Seas 12 to
18 ft in E swell. Scattered showers and isolated thunderstorms. 
.MON... TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. 
.TUE...SW to W winds 15 to 20 kt W of 90W, and S to SW 25 to
30 kt elsewhere. Seas 6 to 8 ft. 
.TUE NIGHT...SW winds 15 to 20 kt W of 90W, and S to SW 20 to
25 kt elsewhere. Seas 5 to 7 ft. 
.WED...S to SW winds 10 to 15 kt W of 90W, and S to SW 20 to
25 kt elsewhere. Seas 4 to 6 ft. 

$$

GMZ015-260900-
NE Gulf N of 25N E of 87W-
455 PM EDT Fri May 25 2018

...TROPICAL STORM WARNING...

.TONIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
showers and isolated thunderstorms. 
.SAT... TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 15 to
20 kt, increasing to 25 to 30 kt in the afternoon. Seas 3 to
5 ft, building to 6 to 8 ft in the afternoon. Scattered showers
and isolated thunderstorms. 
.SAT NIGHT... TROPICAL STORM CONDITIONS EXPECTED. S of 27N, E to
SE winds 30 to 35 kt, increasing to 40 to 50 kt late.
Elsewhere, E to SE winds 25 to 30 kt. Seas 9 to 13 ft in SE
swell, building to 12 to 19 ft in SE swell late.
Scattered showers and isolated thunderstorms. 
.SUN... TROPICAL STORM CONDITIONS EXPECTED. S of 27N, S winds
45 to 55 kt. Elsewhere, E winds 35 to 40 kt, becoming E to SE
45 to 55 kt in the afternoon. Seas 14 to 22 ft in S swell.
Numerous showers and scattered thunderstorms. 
.SUN NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. S of 27N, S to
SW winds 50 to 55 kt, becoming S 25 to 30 kt late.
Elsewhere, SE winds 45 to 55 kt. Seas 14 to 22 ft in SW swell,
subsiding to 10 to 16 ft in SW to W swell late.
Scattered showers and isolated thunderstorms. 
.MON... TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. 
.TUE...S winds 20 to 25 kt. Seas 6 to 8 ft. 
.TUE NIGHT...S winds 15 to 20 kt. Seas 5 to 7 ft. 
.WED...S winds 15 to 20 kt. Seas 5 to 7 ft. 

$$

GMZ017-260900-
W Central Gulf from 22N to 26N W of 94W-
455 PM EDT Fri May 25 2018

.TONIGHT...E winds 5 to 10 kt. Seas 3 ft or less. 
.SAT...SE to S winds 5 to 10 kt, shifting to NE in the afternoon.
Seas 3 ft or less. 
.SAT NIGHT...E winds 5 to 10 kt. Seas 3 ft or less. 
.SUN...S winds 5 to 10 kt, shifting to SW in the afternoon. Seas
3 ft or less. 
.SUN NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. 
.MON...S to SW winds 5 to 10 kt. Seas 3 to 5 ft in NE to E swell.
.MON NIGHT...E to SE winds 5 to 10 kt. Seas 3 to 5 ft in NE
swell. 
.TUE...S winds 5 to 10 kt. Seas 2 to 4 ft. 
.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. 

$$

GMZ019-260900-
Central Gulf from 22N to 26N between 87W and 94W-
455 PM EDT Fri May 25 2018

.TONIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. 
.SAT... TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 25 kt.
Seas 5 to 7 ft. 
.SAT NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. N winds 25 to
30 kt. Seas 6 to 9 ft in E to SE swell. 
.SUN... TROPICAL STORM CONDITIONS POSSIBLE. W to NW winds 10 to
15 kt S of 24N, and NW 25 to 30 kt elsewhere. Seas 5 to 7 ft. 
.SUN NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. W to NW winds
10 to 15 kt S of 24N, and W to NW 20 to 25 kt elsewhere. Seas
5 to 7 ft. 
.MON...SW winds 15 to 20 kt. Seas 5 to 7 ft. 
.MON NIGHT...S of 24N, W to NW winds 5 to 10 kt, shifting to E to
SE 10 to 15 kt late. Elsewhere, SW winds 15 to 20 kt.
Seas 4 to 6 ft. 
.TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. 
.TUE NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. 
.WED...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. 

$$

GMZ021-260900-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
455 PM EDT Fri May 25 2018

...TROPICAL STORM WARNING...

.TONIGHT... TROPICAL STORM CONDITIONS EXPECTED. E winds 20 to
25 kt, becoming E to SE 30 to 35 kt late. Seas 5 to
7 ft, building to 7 to 11 ft in SE swell late.
Scattered showers and isolated thunderstorms. 
.SAT... TROPICAL STORM CONDITIONS EXPECTED. E to SE winds 35 to
45 kt. Seas 11 to 17 ft. Scattered showers and isolated
thunderstorms. 
.SAT NIGHT... TROPICAL STORM CONDITIONS EXPECTED. Straits of
Florida, S winds 40 to 45 kt, becoming S to SW 25 to 30 kt late.
Elsewhere, E winds 45 to 50 kt, shifting to SW late. Seas 12 to
18 ft in SE to S swell. Scattered showers
and isolated thunderstorms. 
.SUN... TROPICAL STORM CONDITIONS EXPECTED. Straits of Florida, S
to SW winds 20 to 25 kt. Elsewhere, SW winds 45 to 50 kt,
diminishing to 15 to 20 kt in the afternoon. Seas 7 to 11 ft,
subsiding to 5 to 7 ft in the afternoon. Scattered showers and
isolated thunderstorms. 
.SUN NIGHT...S to SW winds 15 to 20 kt. Seas 4 to 6 ft. 
.MON...S winds 15 to 20 kt. Seas 4 to 6 ft. 
.MON NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. 
.TUE...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. 
.TUE NIGHT...SE to S winds 15 to 20 kt. Seas 5 to 7 ft. 
.WED...SE winds 15 to 20 kt. Seas 5 to 7 ft. 

$$

GMZ023-260900-
SW Gulf S of 22N W of 94W-
455 PM EDT Fri May 25 2018

.TONIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. 
.SAT...NW to N winds 5 to 10 kt. Seas 3 ft or less. 
.SAT NIGHT...NE to E winds 5 to 10 kt. Seas 3 ft or less. 
.SUN...S winds 5 to 10 kt, shifting to SW to W in the afternoon.
Seas 3 ft or less. 
.SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft or less. 
.MON...SE winds 5 to 10 kt. Seas 3 ft or less. 
.MON NIGHT...E winds 5 to 10 kt. Seas 3 ft or less. 
.TUE...SE winds 5 to 10 kt. Seas 3 ft or less. 
.TUE NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft or less. 
.WED...SE winds 10 to 15 kt. Seas 3 ft or less. 

$$

GMZ025-260900-
E Bay of Campeche including Campeche Bank-
455 PM EDT Fri May 25 2018

.TONIGHT...N to NE winds 15 to 20 kt. Seas 3 ft or less. 
.SAT...NW to N winds 5 to 10 kt within 60 nm of coast of
Campeche, and N 15 to 20 kt elsewhere. Seas 3 ft or less. 
.SAT NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft or less. 
.SUN...W winds 5 to 10 kt. Seas 3 ft or less. 
.SUN NIGHT...NW to N winds 5 to 10 kt, shifting to NE to E late.
Seas 3 ft or less. 
.MON...S winds 5 to 10 kt. Seas 3 ft or less. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 3 ft or less. 
.TUE...E to SE winds 10 to 15 kt. Seas 3 ft or less. 
.TUE NIGHT...NE to E winds 10 to 15 kt. Seas 3 ft or less. 
.WED...E to SE winds 10 to 15 kt. Seas 3 ft or less. 

$$

Forecaster AL