000
FZNT24 KNHC 212059
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 PM CDT TUE SEP 21 2010

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
430 PM CDT TUE SEP 21 2010

.SYNOPSIS...A RIDGE FROM N FLORIDA TO NE TEXAS WILL REMAIN 
THROUGH FRI...THEN WEAKEN SAT AND SUN AS A WEAK FRONT APPROACHES 
THE SOUTHERN U.S. A TROPICAL WAVE OR LOW PRES SYSTEM  WILL 
APPROACH THE YUCATAN PENINSULA FROM THE NW CARIBBEAN SEA LATE 
SAT AND SUN.

$$
GMZ080-212130-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 PM CDT TUE SEP 21 2010

.TONIGHT THROUGH WED NIGHT...E TO SE WINDS 10 TO 15 KT...
INCREASING TO 15 TO 20 KT WED AFTERNOON. SEAS 3 TO 5 
FT...BUILDING TO 4 TO 7 FT WED NIGHT. SCATTERED SHOWERS AND 
ISOLATED TSTMS ENTIRE AREA.
.THU THROUGH FRI...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.SAT AND SUN...E WINDS 10 TO 15 KT...SHIFTING TO NE TO E SUN. 
SEAS 3 TO 5 FT.

$$
GMZ082-212130-
SW GULF S OF 25N W OF 90W
430 PM CDT TUE SEP 21 2010

.TONIGHT THROUGH FRI...N OF 22N E TO SE WINDS 10 TO 15 KT. SEAS 
3 TO 5 FT. S OF 22N VARIABLE WINDS 5 TO 10 KT...EXCEPT NE 15 TO 
20 KT ALONG YUCATAN COAST DURING THE EVENINGS. SEAS 2 TO 4 FT IN 
NE SWELL. SCATTERED SHOWERS AND ISOLATED TSTMS NEAR TROUGH.
.SAT...NE TO E WINDS 10 TO 15 KT BECOMING N TO NE LATE. SEAS 
2 TO 4 FT.
.SUN...N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.

$$
GMZ084-212130-
MIDDLE GULF BETWEEN 85W AND 90W 
430 PM CDT TUE SEP 21 2010

.TONIGHT...S OF 27N E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. N 
OF 27N SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. ISOLATED SHOWERS 
AND TSTMS S OF 27N.
.WED THROUGH THU NIGHT...E TO SE WINDS 15 TO 20 KT...DIMINISHING 
TO 10 TO 15 KT THU. SEAS 4 TO 6 FT. ISOLATED SHOWERS AND TSTMS S 
OF 27N.
.FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT AND SUN...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT S OF 
27N...AND 2 TO 4 FT N OF 27N.

$$
GMZ086-212130-
E GULF BETWEEN 81W AND 85W
430 PM CDT TUE SEP 21 2010

.TONIGHT THROUGH FRI...S OF 26N E WINDS 15 TO 20 KT. SEAS 4 TO 6 
FT. N OF 26N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. ISOLATED
SHOWERS S OF 27N.
.SAT AND SUN...N OF 26N WINDS DIMINISHING TO E 10 KT. SEAS 
SUBSIDING TO 1 TO 2 FT. S OF 26N NE TO E WINDS 15 KT...EXCEPT TO 
20 KT STRAITS OF FLORIDA. SEAS 3 TO 5 FT...HIGHEST STRAITS OF 
FLORIDA. SCATTERED SHOWERS AND TSTMS FAR SE PART.

$$
FORECASTER AGUIRRE