000
FZNT24 KNHC 212127
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 PM CDT TUE APR 21 2009

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.

GMZ089-220330-
SYNOPSIS FOR THE GULF OF MEXICO
430 PM CDT TUE APR 21 2009

.SYNOPSIS...COLD FRONT WILL MOVE SE OF AREA TONIGHT. HIGH 
PRES WILL SHIFT E ACROSS THE GULF THROUGH THU WITH SOUTHERLY 
RETURN FLOW OVER ENTIRE AREA FRI THROUGH SUN. 

$$
GMZ080-220330-
NW GULF N OF 25N W OF 90W
INCLUDING FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 PM CDT TUE APR 21 2009

.TONIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING SW TO W 10 TO 15 
KT W OF 93W. SEAS 1 TO 3 FT.
.WED AND WED NIGHT...W OF 95W S WINDS 10 TO 15 KT INCREASING TO 
15 TO 20 KT WED NIGHT. SEAS 3 TO 5 FT. E OF 95W S WINDS 10 KT OR 
LESS. SEAS 1 TO 2 FT.
.THU AND THU NIGHT...SE WINDS 15 TO 20 KT...INCREASING 20 TO 25 
KT W OF 93W. SEAS 4 TO 6 FT...BUILDING 6 TO 9 FT W OF 93W THU 
NIGHT.
.FRI THROUGH SUN...SE WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.

$$
GMZ082-220330-
SW GULF S OF 25N W OF 90W
430 PM CDT TUE APR 21 2009

.TONIGHT THROUGH WED NIGHT...E TO SE WINDS 10 TO 15 KT...
INCREASING 15 TO 20 KT S OF 23N WED NIGHT. SEAS 2 TO 4 FT...
BUILDING 4 TO 7 FT WED NIGHT.  
.THU THROUGH SAT...E TO SE WINDS 15 TO 20 KT...EXCEPT 20 TO 25 
KT FAR NW PORTION SAT. SEAS 4 TO 7 FT BUILDING 6 TO 8 FT SAT.
.SUN...E TO SE WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.

$$
GMZ084-220330-
MIDDLE GULF BETWEEN 85W AND 90W
430 PM CDT TUE APR 21 2009

.TONIGHT...N OF 25N W TO NW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
S OF 25N N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. 
.WED AND WED NIGHT...N OF 25N SW TO W WINDS 10 KT. SEAS 1 TO 2 
FT. S OF 25N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 5 FT. 
.THU THROUGH FRI...N OF 27N E TO SE WINDS 10 TO 15 KT. SEAS 1 TO 
3 FT BUILDING TO 3 TO 5 FT FRI. S OF 27N E TO SE WINDS 15 TO 20 
KT. SEAS 4 TO 6 FT BUILDING 6 TO 8 FT FRI. 
.SAT AND SUN...N OF 27N E TO SE WINDS 15 TO OCCASIONALLY 20 KT. 
SEAS 4 TO 6 FT. S OF 27N E TO SE WINDS 20 TO 25 KT. SEAS 6 TO 9 
FT.

$$
GMZ086-220330-
E GULF BETWEEN 81W AND 85W
430 PM CDT TUE APR 21 2009

.TONIGHT...NW TO N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.WED AND WED NIGHT...N OF 27N W TO NW WINDS 5 TO 10 KT BECOMING 
SW WED NIGHT. SEAS 1 TO 2 FT. S OF 27N N TO NE WINDS 10 TO 15 
KT. SEAS 2 TO 4 FT. 
.THU THROUGH FRI...N OF 27N E TO SE WINDS 10 KT. SEAS 1 TO 2 FT 
BUILDING TO 2 TO 4 FT FRI. S OF 27N E TO SE WINDS 15 TO 20 KT...
EXCEPT 25 KT STRAITS OF FLORIDA. SEAS 4 TO 6 FT BUILDING 6 TO 9 
FT FRI...LOCALLY 11 FT STRAITS OF FLORIDA. 
.SAT AND SUN...N OF 27N E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 
FT. S OF 27N NE TO E WINDS 20 KT...EXCEPT 20 TO 25 KT STRAITS OF 
FLORIDA. SEAS 6 TO 9 FT...LOCALLY 11 FT STRAITS OF FLORIDA. 

$$
FORECASTER COBB