Offshore Forecast
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000
FZNT24 KNHC 231501
OFFNT4

Offshore Waters Forecast for the Gulf of Mexico
NWS National Hurricane Center Miami, FL
1055 AM EDT Wed Aug 23 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.

GMZ001-240300-
Synopsis for the Gulf of Mexico
1055 AM EDT Wed Aug 23 2017

.SYNOPSIS...Recently regenerated Tropical Depression Harvey is
centered near 21.5N 92.5W at 15 UTC, moving northwest, or 310
degrees at 8 kt. Maximum sustained winds are 30 kt gusting to 40
kt. Harvey is forecast to intensify to tropical storm strength
this evening, moving inland over southern Texas Friday night.

$$

GMZ011-240300-
NW Gulf including Stetson Bank-
1055 AM EDT Wed Aug 23 2017

...TROPICAL STORM WARNING...

.TODAY...NE winds 10 to 15 kt. Seas 3 ft.
.TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.THU... TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to 25 kt.
Seas 5 to 7 ft. Scattered showers and isolated thunderstorms.
.THU NIGHT... TROPICAL STORM CONDITIONS EXPECTED. E winds 35 to
40 kt, increasing to 45 to 55 kt late. Seas 13 to 16 ft. Scattered
thunderstorms.
.FRI... TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 45 to
55 kt. Seas to 17 ft.
.FRI NIGHT... TROPICAL STORM CONDITIONS POSSIBLE.
.SAT...S winds 25 to 30 kt. Seas 11 to 12 ft in S swell.
.SAT NIGHT...S winds 20 to 25 kt. Seas 7 to 9 ft.
.SUN... TROPICAL STORM CONDITIONS POSSIBLE.

$$

GMZ013-240300-
N Central Gulf including Flower Garden Banks Marine Sanctuary-
1055 AM EDT Wed Aug 23 2017

.TODAY...NE to E winds 15 to 20 kt. Seas 3 to 4 ft.
.TONIGHT...E winds 15 to 20 kt. Seas 5 to 6 ft. Scattered
showers.
.THU... TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to
30 kt W of 90W, and E 15 to 20 kt elsewhere. Seas 6 to 9 ft.
Scattered thunderstorms.
.THU NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds
25 to 30 kt W of 90W, and E to SE 15 to 20 kt elsewhere. Seas
11 to 12 ft in SE to S swell. Scattered showers and isolated
thunderstorms.
.FRI... TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 25 to
30 kt W of 90W, and SE 15 to 20 kt elsewhere. Seas 12 to 13 ft in
S swell.
.FRI NIGHT...SE to S winds 20 to 25 kt W of 90W, and SE 10 to
15 kt elsewhere. Seas 9 to 11 ft in S swell.
.SAT...SE to S winds 20 to 25 kt W of 90W, and SE 10 to 15 kt
elsewhere. Seas 9 ft in S swell.
.SAT NIGHT...SE winds 15 to 20 kt. Seas 6 to 7 ft.
.SUN... TROPICAL STORM CONDITIONS POSSIBLE.

$$

GMZ015-240300-
NE Gulf N of 25N E of 87W-
1055 AM EDT Wed Aug 23 2017

.TODAY...NE winds 10 to 15 kt. Seas 2 ft or less.
.TONIGHT...NE winds 5 to 10 kt. Seas 2 ft or less.
.THU...NE to E winds 10 to 15 kt. Seas 2 ft or less.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less.
.FRI...E to SE winds 5 to 10 kt, shifting to S to SW in the
afternoon. Seas 2 ft or less.
.FRI NIGHT...NW winds 10 to 15 kt. Seas 2 ft or less.
.SAT...N to NE winds 5 to 10 kt. Seas 2 ft or less.
.SAT NIGHT...NW to N winds 10 to 15 kt. Seas 2 ft or less,
becoming 3 ft late.
.SUN...NW to N winds 10 to 15 kt. Seas 3 ft.

$$

GMZ017-240300-
W Central Gulf from 22N to 26N W of 94W-
1055 AM EDT Wed Aug 23 2017

...TROPICAL STORM WARNING...

.TODAY...N to NE winds 15 to 20 kt. Seas 3 to 4 ft.
.TONIGHT... TROPICAL STORM CONDITIONS POSSIBLE. W of 96W, N to NE
winds 10 to 15 kt. Elsewhere, NE winds 15 to 20 kt, increasing to
25 to 30 kt late. Seas 5 ft increasing to 8 to 10 ft late.
.THU... TROPICAL STORM CONDITIONS EXPECTED. NW to N winds 15 to
20 kt W of 96W, and N 35 to 45 kt elsewhere. Seas to 13 ft.
.THU NIGHT... TROPICAL STORM CONDITIONS EXPECTED. W of 96W, N
winds 20 to 25 kt, becoming NW 45 to 50 kt late. Elsewhere, NW
winds 45 to 50 kt, shifting to SW 50 to 55 kt late. Seas to 16
ft. Scattered showers.
.FRI... TROPICAL STORM CONDITIONS POSSIBLE. SW winds 50 to 55 kt,
diminishing to 25 to 30 kt in the afternoon. Seas to 18 ft.
.FRI NIGHT... TROPICAL STORM CONDITIONS POSSIBLE.
.SAT...SE to S winds 20 to 25 kt. Seas 6 ft.
.SAT NIGHT...SE winds 15 to 20 kt. Seas 5 ft.
.SUN...S winds 15 to 20 kt. Seas 5 ft.

$$

GMZ019-240300-
Central Gulf from 22N to 26N between 87W and 94W-
1055 AM EDT Wed Aug 23 2017

...TROPICAL STORM WARNING...

.TODAY...E winds 20 to 25 kt. Seas 7 ft. Scattered thunderstorms.
.TONIGHT... TROPICAL STORM CONDITIONS EXPECTED. E to SE winds
30 to 35 kt S of 24N, and E 25 to 30 kt elsewhere. Seas 8 to 12
ft in E to SE swell. Scattered thunderstorms.
.THU... TROPICAL STORM CONDITIONS EXPECTED. SE winds 35 to 45 kt.
Seas 10 to 14 ft. Scattered thunderstorms.
.THU NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. S of 24N, SE to
S winds 20 to 25 kt. Elsewhere, SE winds 35 to 40 kt, diminishing
to 25 to 30 kt late. Seas 11 to 15 ft. Scattered thunderstorms.
.FRI... TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 20 to
25 kt S of 24N, and SE to S 25 to 30 kt elsewhere. Seas to 11 ft.
.FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 7 ft.
.SAT...SE winds 20 to 25 kt. Seas 6 ft.
.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 6 ft.
.SUN...SE to S winds 15 to 20 kt. Seas 5 ft.

$$

GMZ021-240300-
E Gulf from 22N to 25N E of 87W including Straits of Florida-
1055 AM EDT Wed Aug 23 2017

.TODAY...NE to E winds 5 to 10 kt. Seas 3 ft late in the morning,
becoming 2 ft or less.
.TONIGHT...NE winds 5 to 10 kt, shifting to E late.
Seas 2 ft or less.
.THU...S winds 5 to 10 kt. Seas 2 ft or less.
.THU NIGHT...S to SW winds 10 to 15 kt, shifting to SE late. Seas
2 ft or less.
.FRI...SE to S winds 10 to 15 kt. Seas 3 ft.
.FRI NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft.
.SAT...E to SE winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.SUN...E winds 5 to 10 kt, shifting to SW in the afternoon. Seas
3 ft in the morning, becoming 2 ft or less.

$$

GMZ023-240300-
SW Gulf S of 22N W of 94W-
1055 AM EDT Wed Aug 23 2017

.TODAY...NW winds 15 to 20 kt. Seas 3 to 4 ft. Scattered showers.
.TONIGHT...NW to N winds 15 to 20 kt. Seas 5 ft.
.THU...W to NW winds 15 to 20 kt. Seas 5 ft.
.THU NIGHT...NW to N winds 10 to 15 kt, shifting to S to SW 5 to
10 kt late. Seas 4 to 5 ft in N to NE swell.
.FRI...S winds 10 to 15 kt. Seas 3 ft.
.FRI NIGHT...E to SE winds 15 to 20 kt. Seas 4 ft.
.SAT...SE winds 15 to 20 kt. Seas 4 ft.
.SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 ft.
.SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft.

$$

GMZ025-240300-
E Bay of Campeche including Campeche Bank-
1055 AM EDT Wed Aug 23 2017

.TODAY...SW to W winds 15 to 20 kt. Seas 5 ft. Scattered showers
and isolated thunderstorms.
.TONIGHT...SW to W winds 20 to 25 kt. Seas 4 to 5 ft. Scattered
thunderstorms.
.THU...SW winds 20 to 25 kt. Seas 4 to 5 ft. Scattered showers.
.THU NIGHT...Within 60 nm of coast of Campeche, W winds 10 to
15 kt, shifting to E 5 to 10 kt late. Elsewhere, W
winds 15 to 20 kt, shifting to SE to S late. Seas 3 to
4 ft.
.FRI...SE winds 15 to 20 kt. Seas 3 to 4 ft.
.FRI NIGHT...NE to E winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT...E to SE winds 15 to 20 kt. Seas 5 ft.
.SAT NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 5 ft.
.SUN...E to SE winds 15 to 20 kt. Seas 4 ft.

$$

Forecaster AL
FZNT24 KNHC 110956 CCA
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL
456 AM EST FRI NOV 11 2016

UPDATED WINDS AND WAVEHEIGHTS FOR ZONES GMZ017 AND GMZ023 SAT
THROUGH SUN

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.

GMZ001-112200-
SYNOPSIS FOR THE GULF OF MEXICO
456 AM EST FRI NOV 11 2016

.SYNOPSIS...A COLD FRONT EXTENDING FROM SOUTH FLORIDA 26N86W WILL
MOVE S TO THE FLORIDA KEYS AND SE GULF FRI...AND THEN TO CUBA FRI
NIGHT. A STATIONARY FRONT FROM NEAR 26N86W SW TO 26N94W AND THEN
S TO 18N94W WILL MOVE LITTLE THROUGH FRI NIGHT. A NEW COLD FRONT
WILL SINK S ACROSS THE N GULF SAT AND SUN AND GRADUALLY MERGE WITH
OLD FRONTAL REMNANTS ACROSS SW GULF. GALE WINDS ARE POSSIBLE NEAR
THE VERACRUZ COAST LATE SAT NIGHT.

$$

GMZ011-112200-
NW GULF INCLUDING STETSON BANK-
456 AM EST FRI NOV 11 2016

.TODAY...NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT...NE WINDS 15 KT. SEAS 3 TO 4 FT.
.SAT NIGHT...NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.SUN...NE WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.MON...N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.MON NIGHT...N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE NIGHT...N WINDS 15 KT. SEAS 3 TO 4 FT.

$$

GMZ013-112200-
N CENTRAL GULF INCLUDING FLOWER GARDEN BANKS MARINE SANCTUARY-
456 AM EST FRI NOV 11 2016

.TODAY...NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.TONIGHT...NE WINDS 15 TO 20 KT. SEAS 3 FT.
.SAT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.SAT NIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
.SUN...NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...E WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
.MON...NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
.MON NIGHT...NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
.TUE...N WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.TUE NIGHT...N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.

$$

GMZ015-112200-
NE GULF N OF 25N E OF 87W-
456 AM EST FRI NOV 11 2016

.TODAY...NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
.TONIGHT...N TO NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
.SAT...NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
.SAT NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT.
.MON...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS...BECOMING 3 FT IN
THE AFTERNOON.
.MON NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.TUE...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.TUE NIGHT...NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.

$$

GMZ017-112200-
W CENTRAL GULF FROM 22N TO 26N W OF 94W-
456 AM EST FRI NOV 11 2016

.TODAY...N TO NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
.TONIGHT...N TO NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT.
.SAT...N TO NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
.SAT NIGHT...N TO NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
.SUN...N TO NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
.SUN NIGHT...N TO NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.MON...N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
.MON NIGHT...N TO NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.TUE...N WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.TUE NIGHT...N WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.

$$

GMZ019-112200-
CENTRAL GULF FROM 22N TO 26N BETWEEN 87W AND 94W-
456 AM EST FRI NOV 11 2016

.TODAY...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
.TONIGHT...NE TO E WINDS 5 TO 10 KT S OF 24N...AND NE TO E 15 TO
20 KT ELSEWHERE. SEAS 3 TO 5 FT.
.SAT...E WINDS 5 TO 10 KT S OF 24N...AND NE TO E 15 TO 20 KT
ELSEWHERE. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS.
.SAT NIGHT...E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
.SUN...E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.MON...SE WINDS 10 TO 15 KT...SHIFTING TO SW IN THE AFTERNOON.
SEAS 3 TO 5 FT.
.MON NIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.TUE...NW TO N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.TUE NIGHT...N WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.

$$

GMZ021-112200-
E GULF FROM 22N TO 25N E OF 87W INCLUDING STRAITS OF FLORIDA-
456 AM EST FRI NOV 11 2016

.TODAY...E WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING...
BECOMING 2 FT OR LESS.
.TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.SAT...NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
.SAT NIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 3 FT.
.SUN...E WINDS 15 TO 20 KT. SEAS 3 FT.
.SUN NIGHT...E WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
.MON...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT.
.TUE...SE TO S WINDS 5 TO 10 KT...SHIFTING TO SW 10 TO 15 KT IN
THE AFTERNOON. SEAS 2 FT OR LESS...BECOMING 3 FT IN THE
AFTERNOON.
.TUE NIGHT...W WINDS 10 TO 15 KT...BECOMING NW 20 TO 25 KT LATE.
SEAS 4 TO 6 FT.

$$

GMZ023-112200-
SW GULF S OF 22N W OF 94W-
456 AM EST FRI NOV 11 2016

.TODAY...NW TO N WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
.TONIGHT...NW TO N WINDS 20 TO 25 KT. SEAS 6 TO 8 FT.
.SAT...NW TO N WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
.SAT NIGHT...NW TO N WINDS 25 TO 30 KT. SEAS 7 TO 10 FT.
SCATTERED SHOWERS AND ISOLATED TSTMS.
.SUN...NW WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.
.SUN NIGHT...NW TO N WINDS 20 TO 25 KT. SEAS 6 TO 8 FT.
.MON...NW TO N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.MON NIGHT...N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.TUE...NW TO N WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
.TUE NIGHT...N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.

$$

GMZ025-112200-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
456 AM EST FRI NOV 11 2016

.TODAY...NE TO E WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN N SWELL.
SCATTERED SHOWERS AND ISOLATED TSTMS.
.TONIGHT...NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN N SWELL.
.SAT...E TO SE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN N SWELL.
SCATTERED SHOWERS AND ISOLATED TSTMS.
.SAT NIGHT...N WINDS 10 TO 15 KT...SHIFTING TO NE TO E LATE. SEAS
3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS.
.SUN...SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN NIGHT...W TO NW WINDS 10 TO 15 KT...SHIFTING TO NE 5 TO
10 KT LATE. SEAS 3 TO 5 FT.
.MON...E TO SE WINDS 5 TO 10 KT...SHIFTING TO S TO SW IN THE
AFTERNOON. SEAS 3 TO 4 FT IN NW TO N SWELL.
.MON NIGHT...N WINDS 5 TO 10 KT. SEAS 3 FT.
.TUE...NW TO N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.TUE NIGHT...N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.

$$

FORECASTER FORMOSA



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