000
FZPN03 KNHC 121530
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE AUG 12 2008
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 12.
24 HOUR FORECAST VALID 1200 UTC WED AUG 13.
48 HOUR FORECAST VALID 1200 UTC THU AUG 14.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HERNAN NEAR 18.3N 133.6W 1002 MB AT 1500 UTC AUG
12 MOVING W OR 260 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 75 NM NE
QUADRANT...45 NM SE QUADRANT...60 NM SW QUADRANT...AND 90 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM S SEMICIRCLE...120 
NM NE QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 15 FT.
.12 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 18.1N 134.7W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS TO 40 KT. SEAS 12 FT OR 
GREATER WITHIN 90 NM NW QUADRANT WITH SEAS TO 14 FT.
.24 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 17.7N 136.2W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 12 FT.
.48 HOUR FORECAST REMNANT LOW HERNAN NEAR 16.7N 139.2W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS LESS THAN 12 FT.
.72 HOUR FORECAST REMNANT LOW HERNAN NEAR 15.5N 143.5W. MAXIMUM
SUSTAINED WINDS 20 KT GUSTS 25 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST REMNANT LOW HERNAN NEAR 15.0N 148.0W. MAXIMUM
SUSTAINED WINDS 20 KT GUSTS 25 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN HERNAN WARNINGS...WITHIN 360 NM NW AND 120 
NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. ELSEWHERE 
FROM 20N TO 27N W OF 138W NE WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN HERNAN WARNINGS...WITHIN 
300 NM NW AND 60 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN HERNAN WARNINGS...OVER 
FORECAST WATERS WITHIN 180 NM N SEMICIRCLE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT.
 
.LOW PRES 14.2N115.2W 1009 MB. WITHIN 180 NM NW AND 60 NM SE 
SEMICIRCLES WINDS 20 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...13N119W 1009 
MB. WITHIN 150 NM NW AND 60 SE SEMICIRCLES WINDS TO 20 KT. SEAS 
TO 8 FT. 
.48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...14N120W 1009 
MB. WITHIN 240 NM OF CENTER WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.FROM 06N TO 10N BETWEEN 105W AND 112W SW WINDS TO 20 KT. SEAS 
TO 8 FT.
.24 HOUR FORECAST FROM 08N TO 12N BETWEEN 105W AND 110W WINDS 
LESS THAN 20 KT. SEAS TO 8 FT IN S SWELL.
.36 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. 

.N OF 26N E OF 120W NE WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

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

.CONVECTION VALID 1500 UTC TUE AUG 12.

.TROPICAL STORM HERNAN...SCATTERED MODERATE WITHIN 90 NM NE 
QUADRANT.

.LOW PRES NEAR 13.3N 115W...SCATTERED MODERATE ISOLATED STRONG 
FROM 14N TO 16N BETWEEN 115W AND 117W.  

.SCATTERED MODERATE N OF 15N BETWEEN 99W AND 102W.

.INTERTROPICAL CONVERGENCE ZONE...AXIS 09N84W TO 09N88W TO 
12N102W TO 08N115W TO 13N125W TO 09N140W. SCATTERED MODERATE 
ALONG TROPICAL WAVE WITHIN 180 NM N AND 270 NM S OF AXIS BETWEEN 
87W AND 90W.

$$
.FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.