000
FZPN03 KNHC 160909
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN AUG 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN AUG 16.
24 HOUR FORECAST VALID 0600 UTC MON AUG 17.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 18.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GUILLERMO NEAR 19.8N 137.4W 973 MB AT 0900 UTC AUG 16
MOVING W OR 280 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 85 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM S 
SEMICIRCLE...105 NM NE QUADRANT AND 90 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 90 NM S SEMICIRCLE...180 NM NE QUADRANT AND 
150 NM NW QUADRANT WITH SEAS TO 40 FT.
.24 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 21.2N 142.1W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 WITHIN 90 NM S SEMICIRCLES 
WITH SEAS TO 35 FT.
.48 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 23.3N 147.5W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NE QUADRANT AND 45 NM NW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 120 NM N AND WITHIN 60 NM S SEMICIRCLES WITH 
SEAS TO 25 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION GUILLERMO NEAR 26.0N 
153.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST REMNANT LOW GUILLERMO NEAR 29.0N 159.0W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN GUILLERMO WARNING...OVER FORECAST WATERS 
WITHIN 540 NM N AND WITHIN 150 NM S SEMICIRCLES WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST GUILLERMO CENTER W OF AREA. FROM 18N TO 29N W 
OF 135W E WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST N OF 17N W OF 135W NE TO E WINDS 20 KT. SEAS 
TO 8 FT.

.TROUGH 17N137W TO 11N140W. WITHIN 240 NM E OF TROUGH SW WINDS 
20 KT. SEAS TO 8 FT IN MIXED N AND S SWELL.
.24 HOUR FORECAST TROUGH W OF AREA. FROM 10N TO 17N W OF 137W S 
WINDS TO 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROUGH DIFFUSE. WINDS LESS THAN 20 KT. SEAS 
LESS THAN 8 FT.

.FROM 23N TO 28N E OF 115W NW WINDS TO 20 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST FROM 23N TO 27N WITHIN 150 NM W OF THE BAJA 
PENINSULA NW WINDS TO 20 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LITTLE CHANGE.

.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 0900 UTC SUN AUG 16...

.HURRICANE GUILLERMO...NUMEROUS STRONG WITHIN 90 NM W AND WITHIN 
60 NM E OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE 
WITHIN 120 NM N OF CENTER.

SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM 13N88W AND 
WITHIN 60 NM OF PACIFIC COAST CENTRAL AMERICA FROM 95W TO 
105W.

.INTERTROPICAL CONVERGENCE ZONE...AXIS ALONG 10N85W TO 09N94W TO 
11N110W TO 09N20W TO 12N130W TO 09N140W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION IS NOTED WITHIN 150 NM LINE 05N77W TO 
09N98W AND LINE 09N106W TO 09N112W TO 14N114W AND FROM 08N TO 
14N BETWEEN 120W AND 140W.

$$
.FORECASTER NELSON. TROPICAL PREDICTION CENTER.