000
FZNT24 KNHC 172137
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO
NWS NATIONAL HURRICANE CENTER MIAMI FL
537 PM EDT FRI AUG 17 2012

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.

GMZ001-180815-
SYNOPSIS FOR THE GULF OF MEXICO
537 PM EDT FRI AUG 17 2012

.SYNOPSIS...TROPICAL STORM HELENE NEAR 20.5N 96.1W AT 17/2100 
UTC MOV NW 3 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. 
HELENE WILL MOVE TO NEAR 21.1N 96.9W TONIGHT WITH MAXIMUM 
SUSTAINED WINDS OF 45 KT GUSTS 55 KT...THEN INALND OVER MEXICO 
NEAR 22.1N 98.1W SAT THEN DISSIPATE SUN. OTHERWISE RIDGE ALONG 
27N/28N WILL PERSIST THROUGH EARLY NEXT WEEK. 

$$

GMZ011-180815-
NW GULF INCLUDING STETSON BANK-
537 PM EDT FRI AUG 17 2012

.TONIGHT...S WINDS 5 TO 10 KT...BECOMING SE TO S 10 TO 15 KT
LATE. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED
TSTMS. 
.SAT...SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS
AND ISOLATED TSTMS. 
.SAT NIGHT...SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SUN...S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. SCATTERED SHOWERS
AND ISOLATED TSTMS. 
.SUN NIGHT...SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SCATTERED TSTMS. 
.MON...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.TUE...N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.TUE NIGHT...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 
.WED...N WINDS 15 TO 20 KT...BECOMING N TO NE 10 TO 15 KT
LATE. SEAS 4 TO 6 FT. 

$$

GMZ013-180815-
N CENTRAL GULF INCLUDING FLOWER GARDEN BANKS MARINE SANCTUARY-
537 PM EDT FRI AUG 17 2012

.TONIGHT...S TO SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. 
.SAT...S TO SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SAT NIGHT...S TO SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SUN...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS. 
.SUN NIGHT...E OF 90W...S WINDS 5 TO 10 KT. W OF 90W...SE TO S
WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT LATE.
SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. 
.MON...S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. 
.MON NIGHT...SE TO S WINDS 15 TO 20 KT...INCREASING TO 20 TO
25 KT LATE. SEAS 5 TO 7 FT. 
.TUE...S WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. 
.TUE NIGHT...S WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. 
.WED...SW WINDS 25 TO 30 KT. SEAS 8 TO 11 FT. 

$$

GMZ015-180815-
NE GULF N OF 25N E OF 87W-
537 PM EDT FRI AUG 17 2012

.TONIGHT...S TO SW WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. 
.SAT...SW WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. 
.SAT NIGHT...SW WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. 
.SUN...S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. SCATTERED SHOWERS. 
.SUN NIGHT...S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. SCATTERED
SHOWERS. 
.MON...S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 
.MON NIGHT...SW WINDS 5 TO 10 KT...BECOMING SE 10 TO 15 KT 
LATE. SEAS 2 TO 3 FT. 
.TUE...SE TO S WINDS 15 TO 20 KT...BECOMING S 10 TO 15 KT
LATE. SEAS 3 TO 5 FT. 
.TUE NIGHT...SE TO S WINDS 15 TO 20 KT...INCREASING TO 20 TO
25 KT LATE. SEAS 4 TO 6 FT. 
.WED...N OF 27N...S WINDS 20 TO 25 KT...BECOMING S TO SW 25 TO
30 KT LATE. S OF 27N...SE TO S WINDS 20 TO 25 KT...
BECOMING S 15 TO 20 KT LATE. SEAS 8 TO 11 FT N OF
27N N OF 27N...AND 6 TO 9 FT S OF 27N. 

$$

GMZ017-180815-
W CENTRAL GULF FROM 22N TO 26N W OF 94W-
537 PM EDT FRI AUG 17 2012

...TROPICAL STORM WARNING...

.TONIGHT...SE WINDS 20 TO 25 KT...BECOMING E TO SE 20 TO 25 KT
LATE. SEAS 4 TO 6 FT. SCATTERED TSTMS.
.SAT...SE WINDS 10 TO 15 KT E OF 96W...AND SE 25 TO 30 KT W OF
96W. SEAS 6 TO 9 FT. SCATTERED TSTMS.
.SAT NIGHT...SE WINDS 10 TO 15 KT E OF 96W...AND SE 25 TO 35 KT
W OF 96W. SEAS 6 TO 9 FT. SCATTERED TSTMS.
.SUN...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED
TSTMS. 
.SUN NIGHT...SE TO S WINDS 10 TO 15 KT...INCREASING TO 15 TO
20 KT LATE. SEAS 4 TO 6 FT. SCATTERED TSTMS. 
.MON...S TO SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.MON NIGHT...E OF 96W...S WINDS 10 TO 15 KT...BECOMING S TO SW
15 TO 20 KT LATE. W OF 96W...NE TO E WINDS 10 TO
15 KT...BECOMING NW TO N 5 TO 10 KT LATE. SEAS 4 TO
6 FT. 
.TUE...NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. 
.TUE NIGHT...N WINDS 10 TO 15 KT...BECOMING N TO NE 5 TO 10 KT
LATE. SEAS 3 TO 5 FT. 
.WED...NW TO N WINDS 5 TO 10 KT...INCREASING TO 10 TO 15 KT
LATE. SEAS 3 TO 5 FT. 

$$

GMZ019-180815-
CENTRAL GULF FROM 22N TO 26N BETWEEN 87W AND 94W-
537 PM EDT FRI AUG 17 2012

.TONIGHT...E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SAT...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS
AND ISOLATED TSTMS. 
.SAT NIGHT...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SUN...SE TO S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SUN NIGHT...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.MON...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.MON NIGHT...SE TO S WINDS 15 TO 20 KT...INCREASING TO 20 TO
25 KT LATE. SEAS 4 TO 6 FT. 
.TUE...S WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. 
.TUE NIGHT...SE TO S WINDS 15 TO 20 KT...INCREASING TO 20 TO
25 KT LATE. SEAS 6 TO 8 FT. 
.WED...S WINDS 20 TO 25 KT...DIMINISHING TO 15 TO 20 KT
LATE. SEAS 6 TO 9 FT. 

$$

GMZ021-180815-
E GULF FROM 22N TO 25N E OF 87W INCLUDING STRAITS OF FLORIDA-
537 PM EDT FRI AUG 17 2012

.TONIGHT...E WINDS 5 TO 10 KT...BECOMING E TO SE 10 TO 15 KT
LATE. SEAS 2 TO 3 FT. 
.SAT...SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. 
.SAT NIGHT...SE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. 
.SUN...SE TO S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. 
.SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 
.MON...SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.MON NIGHT...SE TO S WINDS 10 TO 15 KT...BECOMING SE 15 TO
20 KT LATE. SEAS 3 TO 5 FT. 
.TUE...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.TUE NIGHT...SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.WED...SE TO S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. 

$$

GMZ023-180815-
SW GULF S OF 22N W OF 94W-
537 PM EDT FRI AUG 17 2012

...TROPICAL STORM WARNING...

.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. WITHIN 60 NM OF
COAST OF VERACRUZ...W TO NW WINDS 30 TO 35 KT...BECOMING SE TO
S 35 TO 40 KT LATE. ELSEWHERE...SE WINDS 20 TO 25 KT...
BECOMING E TO SE 15 TO 20 KT LATE. SEAS 8 TO 12 FT. SCATTERED
TSTMS.
.SAT...TROPICAL STORM CONDITIONS EXPECTED. SW WINDS 30 TO 35 KT
WITHIN 60 NM OF COAST OF VERACRUZ...AND S 15 TO 20 KT ELSEWHERE.
SEAS 8 TO 12 FT...SUBSIDING 6 TO 9 FT LATE. SCATTERED TSTMS.
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 30 TO
35 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND S 15 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT. SCATTERED TSTMS.
.SUN...SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SUN NIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SCATTERED SHOWERS AND ISOLATED TSTMS. 
.MON...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.MON NIGHT...SE TO S WINDS 5 TO 10 KT...BECOMING S TO SW 10 TO
15 KT LATE. SEAS 2 TO 4 FT. 
.TUE...SW WINDS 5 TO 10 KT...BECOMING SW TO W 10 TO 15 KT
LATE. SEAS 2 TO 4 FT. 
.TUE NIGHT...N TO NE WINDS 10 TO 15 KT...BECOMING SE 5 TO 10 KT
LATE. SEAS 2 TO 3 FT. 
.WED...W TO NW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 

$$

GMZ025-180815-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
537 PM EDT FRI AUG 17 2012

.TONIGHT...WITHIN 60 NM OF COAST OF CAMPECHE...E TO SE WINDS
5 TO 10 KT...INCREASING TO 10 TO 15 KT LATE.
ELSEWHERE...E TO SE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT WITHIN
60 NM OF COAST OF CAMPECHE...AND 4 TO 6 FT ELSEWHERE. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SAT...SE TO S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SAT NIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 1 TO 2 FT WITHIN
60 NM OF COAST OF CAMPECHE...AND 3 TO 5 FT ELSEWHERE. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SUN...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS
AND ISOLATED TSTMS. 
.SUN NIGHT...WITHIN 60 NM OF COAST OF CAMPECHE...N WINDS 5 TO
10 KT...BECOMING E TO SE 15 TO 20 KT LATE. ELSEWHERE...
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND
ISOLATED TSTMS. 
.MON...SE TO S WINDS 15 TO 20 KT...BECOMING S 10 TO 15 KT
LATE. SEAS 3 TO 5 FT. 
.MON NIGHT...WITHIN 60 NM OF COAST OF CAMPECHE...N WINDS 5 TO
10 KT...BECOMING E TO SE 15 TO 20 KT LATE. ELSEWHERE...
E TO SE WINDS 15 TO 20 KT...BECOMING SE 20 TO 25 KT 
LATE. SEAS 3 TO 5 FT. 
.TUE...WITHIN 60 NM OF COAST OF CAMPECHE...SE WINDS 15 TO
20 KT...BECOMING S 5 TO 10 KT LATE. ELSEWHERE...SE
TO S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. 
.TUE NIGHT...E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. 
.WED...SE TO S WINDS 15 TO 20 KT...BECOMING S TO SW 10 TO 15 KT
LATE. SEAS 3 TO 5 FT. 

$$

FORECASTER COBB