Offshore Forecast
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000
FZNT24 KNHC 191453
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
1053 AM EDT Sat Aug 19 2017

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.

GMZ001-200300-
Synopsis for the Gulf of Mexico
1053 AM EDT Sat Aug 19 2017

.SYNOPSIS...The northern extent of a tropical wave will enter
the E Gulf Sun, moving across the basin through early next week.
Otherwise, a weak ridge will extend westward along 28N both
ahead of and behind the tropical wave. Tropical Storm Harvey
currently across the SE Caribbean will move through the NW
Caribbean and Yucatan Peninsula Tue, then emerge into the Bay of
Campeche Tue night into Wed, possibly as a tropical storm.

$$

GMZ011-200300-
NW Gulf including Stetson Bank-
1053 AM EDT Sat Aug 19 2017

.TODAY...E to SE winds less than 5 kt. Seas 3 ft.
.TONIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less.
.SUN...SE winds 5 to 10 kt. Seas 2 ft or less.
.SUN NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less.
.MON...E to SE winds 5 to 10 kt. Seas 2 ft or less.
.MON NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft.
.TUE...E to SE winds 5 to 10 kt. Seas 3 ft.
.TUE NIGHT...E to SE winds 5 to 10 kt. Seas 3 ft.
.WED...E winds 5 to 10 kt. Seas 3 ft.
.WED NIGHT...E winds 5 to 10 kt. Seas 3 ft.

$$

GMZ013-200300-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
1053 AM EDT Sat Aug 19 2017

.TODAY...N to NE winds 5 to 10 kt. Seas 2 ft or less.
Scattered showers and isolated thunderstorms.
.TONIGHT...E winds 5 to 10 kt. Seas 2 ft or less.
.SUN...E winds 5 to 10 kt. Seas 2 ft or less.
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.
.MON...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft
in the afternoon.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...E to SE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 ft.
.WED...E winds 5 to 10 kt. Seas 3 ft.
.WED NIGHT...E winds 5 to 10 kt. Seas 3 ft.

$$

GMZ015-200300-
NE Gulf N of 25N E of 87W-
1053 AM EDT Sat Aug 19 2017

.TODAY...NE winds less than 5 kt. Seas 2 ft or less.
Scattered showers and isolated thunderstorms.
.TONIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less.
.SUN...NE to E winds 5 to 10 kt. Seas 2 ft or less.
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...NE to E winds 5 to 10 kt. Seas 3 to 4 ft.
.WED...NE winds 5 to 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less.

$$

GMZ017-200300-
W Central Gulf from 22N to 26N W of 94W-
1053 AM EDT Sat Aug 19 2017

.TODAY...SE winds 5 kt. Seas 2 ft or less.
.TONIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less.
.SUN...SE winds 5 to 10 kt. Seas 2 ft or less.
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less.
.MON...SE winds 5 to 10 kt. Seas 2 ft or less.
.MON NIGHT...E winds 5 to 10 kt. Seas 2 ft or less,
building to 3 ft late.
.TUE...E winds 5 to 10 kt. Seas 3 ft.
.TUE NIGHT...NE to E winds 5 to 10 kt. Seas 3 to 4 ft.
.WED...NE to E winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 4 ft.

$$

GMZ019-200300-
Central Gulf from 22N to 26N between 87W and 94W-
1053 AM EDT Sat Aug 19 2017

.TODAY...E winds 5 to 10 kt. Seas 2 ft or less.
Scattered showers and isolated thunderstorms.
.TONIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less.
.SUN...E winds 5 to 10 kt. Seas 2 ft or less.
.SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building
to 3 ft late.
.MON...E winds 10 to 15 kt. Seas 3 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE...E winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...E to SE winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...E winds 10 to 15 kt. Seas 3 ft.

$$

GMZ021-200300-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
1053 AM EDT Sat Aug 19 2017

.TODAY...NE to E winds 5 to 10 kt. Seas 2 ft or less.
Isolated thunderstorms.
.TONIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less.
.SUN...NE to E winds 10 to 15 kt. Seas 2 ft or less.
.SUN NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 4 ft.
Scattered showers and isolated thunderstorms.
.MON...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.
.MON NIGHT...E 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 winds 5 to 10 kt. Seas 3 to 5 ft.
.WED...NE to E winds 5 to 10 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less.

$$

GMZ023-200300-
SW Gulf S of 22N W of 94W-
1053 AM EDT Sat Aug 19 2017

.TODAY...E winds less than 5 kt. Seas 2 ft or less.
.TONIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less.
.SUN...NE to E winds 5 to 10 kt. Seas 2 ft or less.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less.
.MON...N to NE winds 5 to 10 kt. Seas 2 ft or less.
.MON NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less.
.TUE...N winds 5 to 10 kt. Seas 3 ft.
.TUE NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft.
.WED...N winds 15 to 20 kt. Seas 3 to 5 ft.
.WED NIGHT...N to NE winds 15 to 20 kt. Seas 4 to 6 ft.

$$

GMZ025-200300-
E Bay of Campeche including Campeche Bank-
1053 AM EDT Sat Aug 19 2017

...TROPICAL STORM CONDITIONS POSSIBLE TUE NIGHT AND WED...

.TODAY...E winds 5 to 10 kt. Seas 2 ft or less.
.TONIGHT...NE winds 10 to 15 kt. Seas 2 ft or less.
.SUN...E winds 10 to 15 kt. Seas 3 ft in the morning,
subsiding to 2 ft or less.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 2 ft or less,
building to 3 to 4 ft late.
.MON...E winds 10 to 15 kt. Seas 3 to 4 ft in the morning,
becoming 2 ft or less.
.MON NIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE...NE to E winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE.
.WED...TROPICAL STORM CONDITIONS POSSIBLE.

$$

Forecaster Lewitsky



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