000
FZNT24 KNHC 202313 AAA
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO...AMENDED
NWS NATIONAL HURRICANE CENTER MIAMI FL
430 PM CDT SAT AUG 20 2011
 
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. 

GMZ089-210330-
SYNOPSIS FOR THE GULF OF MEXICO...AMENDED FOR T.S. IRENE INFO
430 PM CDT SAT AUG 20 2011

.SYNOPSIS...T.S. HARVEY INLAND OVER BELIZE NEAR 17.2N 88.8W AT 
2100 UTC MOV WNW 11 KT. HARVEY WILL MOVE ACROSS GUATEMALA 
TONIGHT...WEAKEN TO A TROPICAL DEPRESSION OVER MEXICO SUN AND 
DISSIPATE SUN NIGHT. WINDS AND SEAS INCREASE BAY OF CAMPECHE 
SUN. WEAK RIDGE ELSEWHERE THROUGH FORECAST PERIOD. TROPICAL 
STORM IRENE 14.9N 58.5W AT 2300 UTC MOVING W OR 280 DEG 19 KT. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. IRENE IS FORECAST 
TO MOVE THROUGH CARIBBEAN TO THE STRAITS OF FLORIDA NEAR 24.0N 
79.5W BY THU. WINDS AND SEAS INCREASE E GULF THU.    

$$
GMZ080-210330-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY
430 PM CDT SAT AUG 20 2011

.TONIGHT AND SUN...N OF 28N SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 
2 FT. S OF 28N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 
.SUN NIGHT THROUGH MON NIGHT...N OF 28N VARIABLE NE TO E WINDS 5 
TO 10 KT. SEAS 1 FT. S OF 28N E WINDS 10 KT. SEAS 2 TO 3 FT. 
.TUE AND WED...N TO NE WINDS 5 TO 10 KT...EXCEPT VARIABLE N OF 
28N. SEAS 1 TO 2 FT.  
.THU...N TO NE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. 

$$
GMZ082-210330-
SW GULF S OF 25N W OF 90W  
430 PM CDT SAT AUG 20 2011

.TONIGHT...N OF 22N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 
S OF 22N NE TO E WINDS 15 KT. SEAS 2 TO 4 FT. SCATTERED TSTMS S 
OF 23N E OF 92W. 
.SUN AND SUN NIGHT...N OF 22N E TO SE WINDS 10 TO 15 KT. SEAS 2 
TO 4 FT. S OF 22N N TO NE WINDS 15 TO 20 KT...BECOMING E TO SE 
20 TO 25 KT E OF 93W. SEAS 3 TO 5 FT...LOCALLY 6 TO 7 FT. 
SCATTERED TSTMS S OF 21N MOVING W. 
.MON...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.TUE AND WED...E TO SE WINDS 5 TO 10 KT BECOMING NE 10 TO 15 KT 
DURING EVENINGS ALONG COAST OF YUCATAN. SEAS 2 TO 3 FT. 
.THU...N TO NE WINDS 5 TO 10 KT...EXCEPT 10 TO 15 KT E OF 92W. 
SEAS 2 TO 3 FT. 

$$
GMZ084-210330-
MIDDLE GULF BETWEEN 85W AND 90W 
430 PM CDT SAT AUG 20 2011

.TONIGHT...N OF 27N VARIABLE E TO SE WINDS 5 TO 10 KT. SEAS 1 
FT. S OF 27N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
SCATTERED TSTMS NEAR YUCATAN CHANNEL. 
.SUN AND SUN NIGHT...N OF 27N NE TO E WINDS 5 TO 10 KT EXCEPT 
VARIABLE WINDS N OF 29N. SEAS 1 FT. S OF 25N E TO SE WINDS 10 TO 
15 KT. SEAS 2 TO 4 FT. SCATTERED TSTMS NEAR YUCATAN CHANNEL.
.MON THROUGH WED...N OF 27N VARIABLE NE WINDS 5 TO 10 KT. SEAS 1 
TO 2 FT. S OF 27N NE TO E WINDS 10 KT. SEAS 2 TO 3 FT. 
.THU...N OF 27N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. S OF 
27N N TO NE WINDS 10 TO 15 KT...INCREASING 15 TO 20 KT LATE.
SEAS 3 TO 4 FT...BUILDING 4 TO 7 FT LATE. SCATTERED TSTMS 
DEVELOPING LATE.

$$
GMZ086-210330-
E GULF BETWEEN 81W AND 85W 
430 PM CDT SAT AUG 20 2011

.TONIGHT...N OF 28N VARIABLE WINDS 5 TO 10 KT. SEAS 1 FT. S OF 
28N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. SCATTERED TSTMS S 
OF 23N.
.SUN AND SUN NIGHT...N OF 28N VARIABLE SE WINDS 5 TO 10 KT. SEAS
1 FT. S OF 28N E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 
.MON THROUGH TUE...N TO NE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. 
SCATTERED SHOWERS S PART.
.WED...N OF 26N NE TO E WINDS 10 KT. SEAS 1 TO 2 FT. S OF 26N NE 
TO E WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT STRAITS OF 
FLORIDA. SEAS 2 TO 4 FT...BUILDING 3 TO 5 FT. SCATTERED TSTMS
SE PART.
.THU...N OF 27N NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. S OF 27N N 
TO NE WINDS 20 TO 25 KT...INCREASING 20 TO 30 KT STRAITS OF 
FLORIDA. SEAS 4 TO 7 FT...BUILDING 7 TO 10 FT. SCATTERED TSTMS.

$$
FORECASTER COBB