000
FZNT24 KNHC 202050
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 PM CDT MON SEP 20 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. 

GMZ089-202130-
SYNOPSIS FOR THE GULF OF MEXICO
430 PM CDT MON SEP 20 2010

.SYNOPSIS...A RIDGE WILL EXTEND EASTWARD ALONG THE NORTHERN GULF 
COAST THROUGH THE PERIOD. A NW TO SE ORIENTED TROUGH WILL PERSIST
OVER THE FAR W GULF WATERS THROUGH SAT.

$$
GMZ080-202130-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 PM CDT MON SEP 20 2010

.TONIGHT THROUGH TUE NIGHT...E TO SE WINDS 15 KT. SEAS 4 TO 6 FT 
BUILDING TO 7 FT TUE NIGHT. SCATTERED SHOWERS AND ISOLATED TSTMS.
.WED THROUGH SAT...E TO SE WINDS 15 KT. SEAS 4 TO 6 FT.

$$
GMZ082-202130-
SW GULF S OF 25N W OF 90W
430 PM CDT MON SEP 20 2010

.TONIGHT THROUGH SAT...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 10 TO 20 
KT ALONG YUCATAN COAST DURING THE EVENINGS. SEAS 2 TO 4 FT IN NE 
SWELL. SCATTERED SHOWERS AND ISOLATED TSTMS NEAR TROUGH.
 
$$
GMZ084-202130-
MIDDLE GULF BETWEEN 85W AND 90W 
430 PM CDT MON SEP 20 2010

.TONIGHT...E TO SE WINDS 15 KT. SEAS 3 TO 5 FT.
.TUE THROUGH SAT...E TO SE WINDS 15 TO 20 KT EXCEPT NE TO E 
ALONG YUCATAN COAST DURING THE EVENINGS. SEAS 4 TO 7 FT.

$$
GMZ086-202130-
E GULF BETWEEN 81W AND 85W
430 PM CDT MON SEP 20 2010

.TONIGHT THROUGH SAT...N OF 25N NE TO E WINDS 15 TO 20 KT. SEAS 
3 TO 5 FT. S OF 25N NE TO E WINDS 15 TO 20 KT EXCEPT TO 25 KT 
STRAITS OF FLORIDA. SEAS 4 TO 6 FT EXCEPT TO 8 FT STRAITS OF 
FLORIDA. SCATTERED SHOWERS AND ISOLATED TSTMS.

$$
MUNDELL