000
FZNT24 KNHC 181211 CCA
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO...CORRECTION
NWS NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT THU AUG 18 2011

CORRECTION FOR FORECAST PERIODS
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. 

GMZ089-181530-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT THU AUG 18 2011

.SYNOPSIS...A WEAK RIDGE WILL PREVAIL OVER THE NORTHERN WATERS 
THROUGH MON. A WEAKENING LOW PRES SYSTEM...POSSIBLY A TROPICAL 
CYCLONE...WILL PASS INLAND S OF THE BAY OF CAMPECHE EARLY NEXT 
WEEK.

$$
GMZ080-181530-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY
430 AM CDT THU AUG 18 2011

.TODAY THROUGH FRI NIGHT...VARIABLE WINDS 5 TO 10 KT. SEAS 1 FT.
.SAT...S OF 28N E OF 94W WINDS BECOMING NE 10 KT. SEAS 1 TO 2 
FT. ELSEWHERE SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.SUN...SE TO S WINDS 10 KT THROUGHOUT. SEAS 2 FT.
.MON...E WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. 

$$
GMZ082-181530-
SW GULF S OF 25N W OF 90W  
430 AM CDT THU AUG 18 2011

.TODAY THROUGH FRI NIGHT...E TO SE WINDS 10 KT EXCEPT NE 15 KT 
NEAR YUCATAN PENINSULA DURING THE EVENINGS. SEAS 1 TO 2 FT.
.SAT AND SUN...E OF 95W NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. W 
OF 95W SE WINDS 10 KT. SEAS 1 TO 2 FT. SCATTERED SHOWERS AND 
TSTMS S OF 22N.
.MON...E WINDS 10 KT. SEAS 2 TO 3 FT. 

$$
GMZ084-181530-
MIDDLE GULF BETWEEN 85W AND 90W 
430 AM CDT THU AUG 18 2011

.TODAY...N TO NE WINDS 5 TO 10 KT...EXCEPT BEHIND TROUGH SE. 
SEAS 1 TO 2 FT. ISOLATED SHOWERS AND TSTMS S OF 24N.
.TONIGHT THROUGH SAT...N OF 25N WINDS BECOMING VARIABLE 5 TO
10 KT. SEAS 1 FT. S OF 25N NE WINDS 10 TO 15 KT. SEAS 1 TO 2 
FT...EXCEPT S OF 22N 3 TO 4 FT. SCATTERED SHOWERS AND TSTMS FAR 
S PORTION SAT.
.SUN...N OF 25N WINDS SHIFTING TO SE 5 TO 10 KT. SEAS 1 TO 2 FT. 
S OF 25N WINDS BECOMING E TO SE 10 KT. SEAS 2 TO 3 FT. SCATTERED 
SHOWERS S OF 23N.
.MON...NE TO E WINDS 5 TO 10 KT. SEAS 1 TO 3 FT. 

$$
GMZ086-181530-
E GULF BETWEEN 81W AND 85W 
430 AM CDT THU AUG 18 2011

.TODAY THROUGH FRI NIGHT...N OF 27N VARIABLE WINDS 5 TO 10 KT. 
SEAS 1 FT. S OF 27N E TO SE WINDS 10 KT. SEAS 1 TO 2 FT.
.SAT...S OF 26N E TO SE WINDS 10 KT. SEAS 1 TO 3 FT. N OF 26N SE 
WINDS 5 KT. SEAS 1 FT OR LESS.
.SUN...S OF 26N SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. N OF 26N 
SE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.MON...NE TO E WINDS 5 TO 10 KT. SEAS 1 TO 3 FT. 

$$
FORECASTER SCHAUER/NELSON