000
FZNT24 KNHC 200827
OFFNT4

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

GMZ089-201530-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT SUN SEP 20 2009

.SYNOPSIS...A WEAK TROUGH OVER THE NW WATERS WILL DISSIPATE 
TODAY. AN E TO W RIDGE WILL SET UP ACROSS THE NORTHERN GULF 
WATERS MON AND PERSIST THROUGH EARLY TUE...THEN SHIFT NE OF AREA 
ALLOWING A WEAKENING COLD FRONT TO MOVE OFFSHORE TX. THE FRONT 
STALLS ACROSS OVER THE N PORTION TUE NIGHT AND WED AND GRADUALLY 
DISSIPATES THU INTO FRI. A BROAD INVERTED TROUGH OVER THE SE 
GULF WILL DRIFT W PERSIST OVER THE SOUTHERN WATERS THROUGH THE 
PERIOD.

$$
GMZ080-201530-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY
430 AM CDT SUN SEP 20 2009

.TODAY...VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.TONIGHT THROUGH TUE...SE TO S WINDS 10 KT BECOMING E TO SE 10 
TO 15 KT MON AND TUE. SEAS 1 TO 3 FT. 
.WED AND THU...NW OF FRONT NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
SE OF FRONT E WINDS 10 KT. SEAS 2 FT. SCATTERED SHOWERS ISOLATED 
TSTMS NEAR FRONT.

$$
GMZ082-201530-
SW GULF S OF 25N W OF 90W
430 AM CDT SUN SEP 20 2009

.TODAY...N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.N SCATTERED 
SHOWERS S PORTION.
.TONIGHT THROUGH THU...NE TO E WINDS 10 TO 15 KT EXCEPT 15 TO 20 
KT NEAR YUCATAN COAST DURING EVENINGS. SEAS 2 TO 4 FT BUILDING 3 
TO 5 FT WED AND THU.
 
$$
GMZ084-201530-
MIDDLE GULF BETWEEN 85W AND 90W
430 AM CDT SUN SEP 20 2009

.TODAY...N OF 26N SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. S OF 
26N E TO SE WINDS 5 TO 10 KT. SEAS 1 TO 3 FT. SCATTERED SHOWERS. 
.TONIGHT THROUGH MON NIGHT...N OF 26N E TO SE WINDS 5 TO 10 KT. 
SEAS 1 FT. S OF 26N E TO SE WINDS 10 TO 15 KT. SEAS 2 FT.
.TUE THROUGH THU...NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.

$$
GMZ086-201530-
E GULF BETWEEN 81W AND 85W 
430 AM CDT SUN SEP 20 2009

.TODAY THROUGH MON...N OF 26N E TO SE WINDS 5 TO 10 KT. SEAS 1 
TO 2 FT. S OF 26N NE TO E WINDS 10 TO 15 KT. SEAS 1 TO 3 FT.
SCATTERED SHOWERS ISOLATED TSTMS S PART.
.MON NIGHT THROUGH THU...NE TO E WINDS 10 TO 15 KT. SEAS 1 TO 3 
FT.

$$
FORECASTER NELSON