000
FZNT24 KNHC 211527
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 AM CDT THU JUL 21 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. 

GMZ089-212130-
SYNOPSIS FOR THE GULF OF MEXICO 
1030 AM CDT THU JUL 21 2011

.SYNOPSIS...HIGH PRES RIDGE ACROSS 27N PROMPT MODERATE SOUTHERLY 
RETURN FLOW W OF 95W THROUGH SUN AS LOW PRES STRENGTHENS OVER 
PLAINS STATES.  TROPICAL WAVE MOVE ACROSS BAY OF CAMPECHE SAT 
AND SUN.

$$
GMZ080-212130-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY
1030 AM CDT THU JUL 21 2011

.THIS AFTERNOON AND TONIGHT...S OF 27N W OF 95W SE TO S WINDS 15 
KT. SEAS 4 TO 5 FT. S OF 27N E OF 95W SE WINDS 5 TO 10 KT. SEAS 
2 FT. N OF 27N SW WINDS 5 TO 10 KT. SEAS 1 FT. 
.FRI AND FRI NIGHT...S OF 27N W OF 94W SE TO S WINDS 15 TO 20 
KT. SEAS 3 TO 5 FT. ELSEWHERE SE WINDS 10 TO 15 KT. SEAS 2 FT.
.SAT...S OF 27N W OF 94W SE WINDS 15 TO 20 KT DIMINISHING TO 10 
LATE. SEAS 4 TO 5 FT. ELSEWHERE SE TO S WINDS 10 TO 15 KT. SEAS 
2 TO 4 FT.
.SUN...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.MON...E TO SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.

$$
GMZ082-212130-
SW GULF S OF 25N W OF 90W  
1030 AM CDT THU JUL 21 2011

.THIS AFTERNOON AND TONIGHT....N OF 23N W OF 95W SE WINDS 15 KT. 
SEAS 3 TO 4 FT. ELSEWHERE SE WINDS 10 KT. SEAS 2 TO 3 FT.
.FRI THROUGH MON...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. 

$$
GMZ084-212130-
MIDDLE GULF BETWEEN 85W AND 90W 
1030 AM CDT THU JUL 21 2011

.THIS AFTERNOON AND TONIGHT....N OF 25N S TO SW WINDS LESS THAN 
10 KT. SEAS 1 FT. S OF 25N SE WINDS 10 KT. SEAS 2 FT.
.FRI AND FRI NIGHT...N OF 27N S TO SW WINDS 5 TO 10 KT. SEAS 1  
FT. FROM 25N TO 27N SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
S OF 25N E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.SAT THROUGH MON...E WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.


$$
GMZ086-212130-
E GULF BETWEEN 81W AND 85W 
1030 AM CDT THU JUL 21 2011

.THIS AFTERNOON THROUGH FRI NIGHT...N OF 25N SW WINDS LESS 
THAN 10 KT. SEAS 1 FT. S OF 25N E TO SE WINDS 10 KT. SEAS 2 FT. 
ISOLATED SHOWERS S OF 27N.
.SAT THROUGH MON...N OF 28N E WINDS LESS THAN 10 KT. SEAS 1 FT. 
S OF 28N E TO SE WINDS 10 KT. SEAS 2 TO 3 FT.

$$
FORECASTER WALLY BARNES