000
FZPN03 KNHC 292149
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU SEP 29.
24 HOUR FORECAST VALID 1800 UTC FRI SEP 30.
48 HOUR FORECAST VALID 1800 UTC SAT OCT 01.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HILARY NEAR 21.6N 120.7W 1000 MB AT 2100 UTC SEP
29 MOVING NNW OR 335 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE
QUADRANT...60 NM SE QUADRANT...45 NM SW QUADRANT...AND 75 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 90 NM S SEMICIRCLE...180
NM NE QUADRANT AND 120 NM NW QUADRANT WITH SEAS TO 17 FT.
.24 HOUR FORECAST POST TROPICAL HILARY POST TROP/REMNT LOW NEAR 
23.4N 121.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 
FT OR GREATER WITHIN 90 NM N SEMICIRCLE WITH SEAS TO 14 FT.
.48 HOUR FORECAST POST TROPICAL HILARY POST TROP/REMNT LOW NEAR 
23.8N 122.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS 
LESS THAN 12 FT.
.72 HOUR FORECAST POST TROPICAL HILARY POST TROP/REMNT LOW NEAR 
23.5N 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 180 NM NW 
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 
10N BETWEEN 115W AND 128W WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT 
IN NW SWELL.   
.48 HOUR FORECAST WITHIN 150 NM SW SEMICIRCLE OF CENTER WINDS 20 
KT. SEAS 8 FT.  

.LOW PRES NEAR 11N132W 1010 MB. WITHIN 90 NM OF CENTER WINDS 20 
KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 09N TO 20N 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 15N 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. 

.NORTH OF 20N W OF 130W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN N 
SWELL. 
.06 HOUR FORECAST COLD FRONT 30N137W TO 27N140W. NW OF FRONT 
WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN NW SWELL. 
.24 HOUR FORECAST COLD FRONT 30N133W TO 26N140W. NW OF FRONT 
WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN NW SWELL.  
.48 HOUR FORECAST COLD FRONT 30N129W TO 22.5N140W. 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 WITHIN 45 NM EITHER SIDE 
OF LONE 16N95W TO 15N95W TO 13N98W 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 2100 UTC THU SEP 29...

.SCATTERED MODERATE TO STRONG WITHIN 120 NM NE QUADRANT OF 
TROPICAL STORM HILARY. 

.SCATTERED MODERATE TO STRONG FROM 03N TO 07N E OF 95W AS A 
RESULT OF WIND SPEED CONVERGENCE. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM THE SW CARIBBEAN NW THROUGH 
CENTRAL AMERICA ENTERING THE E PACIFIC NEAR 15N93W TO 10.5N98W 
TO 11N103W TO 09N108W TO 13N115W TO 10N136W. THEN ITCZ FROM 
10N136W TO BEYOND 10N140W. SCATTERED MODERATE ISOLATED STRONG IS 
WITHIN 150 NM S OF TROUGH BETWEEN 98W AND 105W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 150 NM S OF TROUGH BETWEEN 117W 
AND 121W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.