Offshore Forecast
Issued by NWS

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000
FZNT24 KNHC 210858
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
458 AM EDT Mon Aug 21 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.

GMZ001-212100-
Synopsis for the Gulf of Mexico
458 AM EDT Mon Aug 21 2017

.SYNOPSIS...Weak troughing over the SE Gulf will move across the
basin through mid week. Another trough will move from the Atlc
into the SE Gulf by Thu. The remnants of Harvey may move into SW
Gulf Wed as a possible tropical cyclone, then across the west
central Gulf through the end of the week.


$$

GMZ011-212100-
NW Gulf including Stetson Bank-
458 AM EDT Mon Aug 21 2017

.TODAY...E to SE winds 10 kt. Seas 2 ft or less, becoming 3 ft in
the afternoon.
.TONIGHT...E to SE winds 10 to 15 kt. Seas 3 ft.
.TUE...E winds 5 to 10 kt. Seas 3 ft in the morning, becoming
2 ft or less.
.TUE NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less,
becoming 3 ft late.
.WED...E to SE winds 5 to 10 kt. Seas 2 ft or less.
.WED NIGHT...E to SE winds 5 to 10 kt. Seas 3 ft.
.THU...E to SE winds 5 to 10 kt. Seas 3 ft.
.THU NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI...E to SE winds 15 to 20 kt. Seas 5 to 7 ft.
.FRI NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft.

$$

GMZ013-212100-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
458 AM EDT Mon Aug 21 2017

.TODAY...E winds 10 to 15 kt. Seas 2 ft or less, becoming 3 ft in
the afternoon.
.TONIGHT...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. Scattered
showers.
.WED...E winds 5 to 10 kt. Seas 3 ft.
.WED NIGHT...E winds 5 to 10 kt. Seas 2 ft or less.
.THU...E winds 5 to 10 kt. Seas 2 ft or less.
.THU NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less,
becoming 3 ft late.
.FRI...E to SE winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft.

$$

GMZ015-212100-
NE Gulf N of 25N E of 87W-
458 AM EDT Mon Aug 21 2017

.TODAY...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered
showers and isolated thunderstorms.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Scattered
showers.
.TUE...E winds 10 to 15 kt. Seas 3 ft.
.TUE NIGHT...NE winds 5 to 10 kt. Seas 3 ft.
.WED...NE winds 5 to 10 kt. Seas 2 ft or less.
.WED NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less.
.THU...NE winds less than 5 kt. Seas 2 ft or less.
.THU NIGHT...N winds 5 to 10 kt. Seas 2 ft or less.
.FRI...NW to N winds 5 to 10 kt. Seas 2 ft or less.
.FRI NIGHT...W to NW winds 5 to 10 kt. Seas 2 ft or less.

$$

GMZ017-212100-
W Central Gulf from 22N to 26N W of 94W-
458 AM EDT Mon Aug 21 2017

.TODAY...E to SE winds 5 to 10 kt. Seas 2 ft or less. Scattered
showers.
.TONIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less, becoming
3 ft late.
.TUE...E winds 5 to 10 kt. Seas 3 ft in the morning, becoming
2 ft or less.
.TUE NIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less,
becoming 3 ft late.
.WED...NE winds 5 to 10 kt. Seas 3 ft.
.WED NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 5 ft.
.THU...NE to E winds 20 to 25 kt. Seas 5 to 7 ft.
.THU NIGHT...E winds 25 to 30 kt. Seas 7 to 10 ft.
.FRI...SE winds 25 to 30 kt. Seas 7 to 10 ft.
.FRI NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft.

$$

GMZ019-212100-
Central Gulf from 22N to 26N between 87W and 94W-
458 AM EDT Mon Aug 21 2017

.TODAY...E winds 10 to 15 kt. Seas 3 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Scattered
showers.
.TUE...E to SE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Scattered
showers.
.WED...E winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft.
.THU...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
.THU NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI...SE winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.

$$

GMZ021-212100-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
458 AM EDT Mon Aug 21 2017

.TODAY...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
.TONIGHT...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 ft. Scattered
showers.
.WED...E to SE winds 5 to 10 kt. Seas 2 ft or less.
.WED NIGHT...N winds less than 5 kt, shifting to E late. Seas
2 ft or less.
.THU...S winds less than 5 kt. Seas 2 ft or less.
.THU NIGHT...SE to S winds 5 to 10 kt. Seas 2 ft or less.
.FRI...SE to S winds 5 to 10 kt. Seas 2 ft or less.
.FRI NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less.

$$

GMZ023-212100-
SW Gulf S of 22N W of 94W-
458 AM EDT Mon Aug 21 2017

.TODAY...NE winds 5 to 10 kt, shifting to NW to N in the
afternoon. Seas 2 ft or less. Scattered showers.
.TONIGHT...NE winds 5 to 10 kt. Seas 2 ft or less.
.TUE...N winds 5 to 10 kt. Seas 2 ft or less. Scattered showers.
.TUE NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft.
.WED...NW to N winds 15 to 20 kt. Seas 3 to 4 ft.
.WED NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft.
.THU...W to NW winds 20 to 25 kt. Seas 4 to 6 ft.
.THU NIGHT...SW winds 20 to 25 kt, shifting to SE to S 15 to
20 kt late. Seas 4 to 6 ft.
.FRI...SE to S winds 10 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.

$$

GMZ025-212100-
E Bay of Campeche including Campeche Bank-
458 AM EDT Mon Aug 21 2017

.TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft in the morning,
becoming 2 ft or less. Scattered showers.
.TONIGHT...NE winds 15 to 20 kt. Seas 2 ft or less, becoming 3 to
4 ft late.
.TUE...NE to E winds 10 to 15 kt. Seas 3 to 4 ft in the morning,
becoming 2 ft or less. Scattered showers.
.TUE NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
showers and isolated thunderstorms.
.WED...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
.WED NIGHT...SE winds 20 to 25 kt. Seas 3 to 5 ft.
.THU...SE to S winds 20 to 25 kt. Seas 3 to 5 ft.
.THU NIGHT...E to SE winds 20 to 25 kt, becoming E 10 to 15 kt
late. Seas 3 to 5 ft.
.FRI...E to SE winds 15 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft.

$$

Forecaster Christensen



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