000
FZPN03 KNHC 132146
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED AUG 13.
24 HOUR FORECAST VALID 1800 UTC THU AUG 14.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 15.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISELLE AT 16.6N 106.7W 1003 MB AT 2100 UTC AUG 
13 MOVING WNW OR 285 DEG AT 9 KT.  MAXIMUM SUSTAINED WIND 35 
GUSTS 45 KT.  TROPICAL STORM FORCE WIND WITHIN 40 NM OF CENTER. 
SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER WITH SEAS TO 14 FT.
.24 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 17.5N 109.7W. 
MAXIMUM SUSTAINED WIND 45 GUSTS 55 KT.  LITTLE CHANGE IN RADIUS 
OF TROPICAL STORM FORCE WIND AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 18.2N 112.5W. 
MAXIMUM SUSTAINED WIND 45 GUSTS 55 KT.  LITTLE CHANGE IN RADIUS 
OF TROPICAL STORM FORCE WIND AND SEAS 12 FT OR GREATER. 
.72 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 18.6N 114.5W. 
MAXIMUM SUSTAINED WIND 45 GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 19.0N 116.5W. 
MAXIMUM SUSTAINED WIND 40 GUSTS 50 KT.
.120 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 19.0N 118.5W. 
MAXIMUM SUSTAINED WIND 35 GUSTS 45 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNING...WITHIN 150 NM N AND 45 NM S 
SEMICIRCLES  WIND TO 33 KT.  SEAS TO 12 FT.
.24 HOUR FORECAST  EXCEPT AS NOTED IN WARNING...WITHIN 180 NM N 
AND 90 NM S SEMICIRCLES  WIND TO 33 KT.  SEAS TO 12 FT.
.48 HOUR FORECAST  WITHIN 210 NM N AND 150 NM S SEMICIRCLES  
WIND TO 33 KT.  SEAS TO 12 FT.

.LOW PRES 14N117W 1009 MB. WITHIN 180 NM NW AND 60 NM SE 
SEMICIRCLES WINDS TO 20 KT. SEAS TO 8 FT. FROM 07N TO 11N 
BETWEEN 116W AND 124W W WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 14N120W 1010 MB. WITHIN 120 NM 
NW AND 60 SE SEMICIRCLES WINDS TO 20 KT. SEAS TO 8 FT. FROM 07N 
TO 11N BETWEEN 112W AND 121W W TO SW WINDS 20 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES NEAR 14N122W 1011 MB. WITHIN 90 NM N 
SEMICIRCLE E WINDS TO 20 KT. SEAS TO 8 FT. FROM 07N TO 12N 
BETWEEN 116W AND 122W SW WINDS 20 KT. SEAS TO 9 FT. 

.REMNANT LOW PRES OF HERNAN AT 17N137W 1012 MB.  WITHIN 300 NM 
NW AND WITHIN 120 NM SW QUADRANTS  WIND 20 TO 30 KT.  SEAS 12 FT.
.24 HOUR FORECAST  LOW PRES 16N140W 1013 MB.  WITHIN 210 NM NW 
SEMICIRCLE OVER FORECAST WATERS  WIND 20 TO 25 KT.  SEAS 10 FT. 
.48 HOUR FORECAST  LOW PRES NEAR 15N143W 1013 MB.  WIND LESS 
THAN 20 KT.  SEAS LESS THAN 8 FT.   

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

.CONVECTION VALID 2115 UTC WED AUG 13.
.SCATTERED MODERATE TO STRONG WITHIN 60 NM OF CENTER OF TROPICAL 
STORM ISELLE.

.LOW PRES AT 14N119W...SCATTERED MODERATE ISOLATED STRONG W 
QUADRANT OF LOW PRES CENTER.

.INTERTROPICAL CONVERGENCE ZONE...AXIS 10N85W TO 14N124W TO 
14N131W TO 10N140W.  SCATTERED MODERATE ISOLATED STRONG WITHIN 
120 NM OF AXIS FROM 102W TO 124W. 

$$
.FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.