000
FZNT24 KNHC 182048
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 PM CDT SAT SEP 18 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. 

GMZ089-182130-
SYNOPSIS FOR THE GULF OF MEXICO
430 PM CDT SAT SEP 18 2010

.SYNOPSIS...TROUGH OVER SW GULF FROM 18N94W TO 20N97W WILL MOVE 
SLOWLY INLAND TONIGHT. RIDGING WILL REMAIN OVER THE N GULF COAST 
THROUGH THE PERIOD WHILE WEAK TROUGHING DEVELOPS EACH DAY IN THE 
FAR SW GULF NEAR THE COAST OF MEXICO.

$$
GMZ080-182130-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 PM CDT SAT SEP 18 2010

.TONIGHT...E TO SE WINDS 15 TO 20 KT...OCCASIONALLY TO 25 KT. 
SEAS 4 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS W OF 93W.
.SUN AND SUN NIGHT...E WINDS 15 KT. SEAS 4 TO 6 FT. SCATTERED 
SHOWERS AND TSTMS W OF 95W.
.MON THROUGH TUE...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.WED AND THU...E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.

$$
GMZ082-182130-
SW GULF S OF 25N W OF 90W
430 PM CDT SAT SEP 18 2010

.TONIGHT...W OF TROUGH N WINDS 10 KT. SEAS 3 TO 5 FT. E OF TROUGH
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND 
ISOLATED TSTMS W OF 93W.
.SUN AND SUN NIGHT...E TO SE WINDS 10 TO 15 KT EXCEPT N TO NE 15 
KT NEAR YUCATAN COAST DURING THE EVENING. SEAS 3 TO 5 FT.
.MON THROUGH THU...N OF 21N E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 
5 FT. S OF 21N VARIABLE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT IN NE 
SWELL. NEAR YUCATAN COAST...WINDS NE 15 TO 20 KT DURING THE 
EVENINGS.

$$
GMZ084-182130-
MIDDLE GULF BETWEEN 85W AND 90W 
430 PM CDT SAT SEP 18 2010

.TONIGHT...E WINDS 15 KT. SEAS 3 TO 5 FT. 
.SUNDAY THROUGH MON NIGHT...NE TO E WINDS 15 KT. SEAS 4 TO 5 FT.
.TUE THROUGH THU...E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.

$$
GMZ086-182130-
E GULF BETWEEN 81W AND 85W
430 PM CDT SAT SEP 18 2010

.TONIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.SUN THROUGH TUE...S OF 28N NE TO E WINDS 15 TO 20 KT EXCEPT 20 
TO 25 KT STRAITS OF FLORIDA MON THROUGH TUE. SEAS 4 TO 6 FT 
EXCEPT TO 8 FT STRAITS OF FLORIDA MON THROUGH TUE. N OF 28N NE 
WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 
.WED AND THU...E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT EXCEPT TO 7 
FT STRAITS OF FLORIDA.

$$
MUNDELL