000
FZNT24 KNHC 201456
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO NWS NATIONAL 
HURRICANE CENTER MIAMI FL
1030 AM 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. 

GMZ089-202130-
SYNOPSIS FOR THE GULF OF MEXICO
1030 AM CDT SAT AUG 20 2011

.SYNOPSIS...A TROUGH WILL MOVE W ACROSS THE BAY OF CAMPECHE 
TONIGHT THROUGH MON. OTHERWISE A WEAK RIDGE WILL PREVAIL OVER 
THE NORTHERN WATERS THROUGH WED.   

$$
GMZ080-202130-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY
1030 AM CDT SAT AUG 20 2011

.THIS AFTERNOON THROUGH SUN...N OF 28N VARIABLE WINDS 5 
TO 10 KT. SEAS 1 FT. S OF 28N E TO SE WINDS 5 TO 10 INCREASING 
TO 10 TO 15 KT TONIGHT. SEAS 1 TO 3 FT. ISOLATED TSTMS NW WATERS 
TODAY.
.MON THROUGH WED...NE TO E WINDS 5 TO 10 KT BECOMING E TO SE 
WINDS 10 KT AT NIGHT. SEAS 1 TO 3 FT. 

$$
GMZ082-202130-
SW GULF S OF 25N W OF 90W  
1030 AM CDT SAT AUG 20 2011

.THIS AFTERNOON...N OF 22N E TO SE WINDS 5 TO 10 KT. SEAS 1 TO 2 
FT. S OF 22N VARIABLE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.
.TONIGHT AND SUN...N OF 22N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 
4 FT. S OF 22N W OF TROUGH NE TO E WINDS 10 TO 15 KT. SEAS 1 TO 
3 FT. S OF 22N E OF TROUGH E TO SE WINDS 15 TO 20 KT. SEAS 2 TO 
4 FT. SCATTERED TSTMS NEAR TROUGH. 
.SUN NIGHT...N OF 22N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
S OF 22N W OF TROUGH N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
S OF 22N E OF TROUGH E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. 
SCATTERED TSTMS NEAR TROUGH. 
.MON...N TO E 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 1 TO 2 FT. 

$$
GMZ084-202130-
MIDDLE GULF BETWEEN 85W AND 90W 
1030 AM CDT SAT AUG 20 2011

.THIS AFTERNOON...N OF 28N VARIABLE WINDS 5 TO 10 KT. SEAS 1 
FT. S OF 28N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.TONIGHT...N OF 27N E TO SE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. S 
OF 27N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.SUN...N OF 25N NE TO E WINDS 5 TO 10 KT EXCEPT VARIABLE WINDS N 
OF 28N. SEAS 1 TO 2 FT. S OF 25N E TO SE WINDS 10 TO 15 KT. SEAS 
2 TO 4 FT. 
.SUN NIGHT...N OF 27N E TO SE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. 
S OF 27N E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.MON THROUGH WED...N OF 27N VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 
2 FT. S OF 27N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 

$$
GMZ086-202130-
E GULF BETWEEN 81W AND 85W 
1030 AM CDT SAT AUG 20 2011

.THIS AFTERNOON AND 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.
.SUN AND SUN NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 1 TO 3 FT. 
.MON AND TUE...NE TO E WINDS 10 TO 15 KT. SEAS 1 TO 3 FT. 
SCATTERED SHOWERS S PART.
.WED...N OF 26N NE TO E WINDS 10 TO 15 KT. SEAS 1 TO 3 FT. S OF 
26N NE TO E WINDS INCREASING TO 15 TO 20 KT. SEAS 3 TO 5 FT. 

$$
FORECASTER NELSON