000
FZPN03 KNHC 151510
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT AUG 15 2009

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 1200 UTC SAT AUG 15.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 16.
48 HOUR FORECAST VALID 1200 UTC MON AUG 17.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GUILLERMO NEAR 18.9N 133.2W 954 MB AT 1500 UTC AUG 15 
MOVING WNW OR 285 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 110 KT 
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N 
SEMICIRCLE...80 NM SE QUADRANT AND 70 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 150 NM NE QUADRANT...90 NM SE QUADRANT...60 NM 
SW QUADRANT...AND 100 NM NW QUADRANT WITH SEAS TO 35 FT.
.24 HOUR FORECAST HURRICANE GUILLERMO NEAR 20.2N 137.8W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 150 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 32 
FT. 
.48 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 21.9N 142.8W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER 
WITHIN 120 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 24 FT. 
.72 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 24.0N 148.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION GUILLERMO NEAR 26.0N
153.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST REMNANT LOW GUILLERMO NEAR 28.5N 159.0W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN GUILLERMO WARNING...OVER FORECAST WATERS 
WITHIN 300 NM N AND WITHIN 180 NM S SEMICIRCLES WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 23N TO 28N W OF 128W NE TO E 
WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN GUILLERMO WARNING...OVER 
FORECAST WATERS WITHIN 420 NM N AND WITHIN 120 S SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 20N W OF 135W 
NE TO E WINDS TO 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN GUILLERMO WARNING...N OF 
20N W OF 132W NE TO E WINDS 20 TO 25 FT. SEAS 8 TO 10 FT.

.REMNANT LOW PRES AT 11N140W 1008 MB. FROM 09N TO 11N W OF 128W
SW WINDS 20 KT. SEAS TO 9 FT IN MIXED SE AND NE SWELL.
.24 HOUR FORECAST FROM 10N TO 14N W OF 135W SW WINDS 20 KT. SEAS 
TO 9 FT IN SE SWELL.
.48 HOUR FORECAST FROM 12N TO 16N W OF 135W WINDS LESS THAN 20 
KT. SEAS TO 8 FT IN SE SWELL.

.FROM 23N TO 28N E OF 115W NW WINDS TO 20 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST WITHIN 120 NM W OF BAJA PENINSULA NW WINDS TO 
20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE. 

.N OF 14N BETWEEN 94W AND 96W INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.FROM 10N TO 12N E OF 89W INCLUDING THE GULF OF PAPAGAYO...NE TO 
E WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE. 

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

.CONVECTION VALID 1500 UTC SAT AUG 15...

.HURRICANE GUILLERMO...NUMEROUS STRONG WITHIN 90 NM S SEMICIRCLE 
AND 60 NM NE SEMICIRCLE OF HURRICANE CENTER. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 120 NM OF CENTER.

.SCATTERED TO NUMEROUS MODERATE TO STRONG WITHIN 60 NM OF 
14.5N95.5W INCLUDING THE GULF OF TEHUANTEPEC. SCATTERED MODERATE 
TO ISOLATED STRONG WITHIN 130 NM OF THE EL SALVADOR AND 
GUATEMALA COASTLINES. 

.INTERTROPICAL CONVERGENCE ZONE...AXIS ALONG 09N85 TO 10N100W TO 
12N108W TO 09N115W TO 12N128W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 160 NM N OF AXIS BETWEEN 99W AND 103W. SCATTERED 
MODERATE FROM 08N TO 13N BETWEEN 108W AND 120W...AND FROM 10N TO 
15N BETWEEN 126W AND 130W.

$$
.FORECASTER GR. TROPICAL PREDICTION CENTER.