000
FZPN03 KNHC 291537
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU SEP 29 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

SYNOPSIS VALID 1200 UTC THU SEP 29.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 30.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 01.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HILARY NEAR 20.4N 120.3W 1003 MB AT 1500 UTC SEP 
29 MOVING NW OR 325 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW AND SE 
QUADRANTS...80 NM NE QUADRANT AND 50 NM SW QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 105 NM S SEMICIRCLE...180 NM NE QUADRANT AND 
150 NM NW QUADRANT WITH SEAS TO 18 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW HILARY NEAR 22.3N
121.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR 
GREATER WITHIN 180 NM N SEMICIRCLE WITH SEAS TO 15 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HILARY NEAR 23.3N 
122.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. 
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW HILARY NEAR 23.0N
124.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

.SYNOPSIS AND FORECAST

.EXCEPT AS NOTED IN WARNING...WITHIN 180 NM OF CENTER WINDS 20 
TO 33 KT. SEAS 10 TO 12 FT.  ELSEWHERE N OF 10N BETWEEN 110W AND 
130W WINDS LESS THAN 20 KT.  SEAS 8 TO 10 FT IN BROAD MIX OF 
SWELLS. 
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNING...WITHIN 150 NM 
WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN THE AREA 
ENCOMPASSED BY 30N116W TO 20N112W TO 10N125W TO 10N130W TO 
30N130W TO 30N116W WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN NW 
SWELL.   
.48 HOUR FORECAST WITHIN 150 NM OF CENTER WINDS 20 KT. SEAS 8 TO 
9 FT.  

.LOW PRES NEAR 11N133W 1010 MB. WITHIN 90 NM OF CENTER WINDS 20 
KT. SEAS 8 TO 9 FT. ELSEWHERE N OF 09N W OF 130W WINDS LESS THAN 
20 KT. SEAS 8 TO 9 FT IN N SWELL.
.24 HOUR FORECAST LOW PRES NEAR 11N132W 1009 MB. WITHIN 90 NM OF 
CENTER WINDS 20 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 10N TO 18N W 
OF 130W WINDS LESS THAN 20 KT. SEAS 8 FT IN N TO NW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 11N129W 1010 MB. WINDS LESS THAN 
20 KT. SEAS LESS THAN 8 FT. 

.18 HOUR FORECAST COLD FRONT 30N136W TO 27N140W. NW OF FRONT 
WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN NW SWELL. 
.24 HOUR FORECAST COLD FRONT 30N135W TO 26N140W. NW OF FRONT 
WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN NW SWELL.  
.48 HOUR FORECAST COLD FRONT 30N131W TO 23N140W. NW OF FRONT 
WINDS LESS THAN 20 KT. SEAS 8 FT IN NW SWELL. 

.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94W AND 
96W N WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF TEHUANTEPEC N OF 13N BETWEEN 94W AND 
97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1330 UTC THU SEP 29...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM THE SW CARIBBEAN NW THROUGH 
CENTRAL AMERICA ENTERING THE E PACIFIC NEAR 10N85W TO 14N93W TO 
09N110W WHERE IT ENDS. THERE IS NO ITCZ OR MONSOON TROUGH FROM 
110W TO 115W AS A RESULT OF THE DIFFLUENT FLOW SOUTHEAST OF 
TROPICAL STORM HILLARY. THE MONSOON TROUGH STARTS NEAR 12N115W 
TO 12N124W TO BEYOND 10N140W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 180 NM OF TROUGH E OF 88W AND WITHIN NM S OF TROUGH 96W 
AND 103W.  SCATTERED MODERATE FROM 09N TO 12N BETWEEN 110N AND 
120W. 

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.