000
FZPN03 KNHC 140902
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU AUG 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU AUG 14.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 15.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 16.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISELLE IS NEAR 17.6N 108.6W 1002 MB AT 0900 UTC 
AUG 14 MOVING W NW OR 290 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 
40 KT GUSTS 50 KT. TROPICAL STORM FORCE AND SEAS 12 FT OR 
GREATER WINDS WITHIN 30 NM OF CENTER WITH SEAS TO 13 FT.
.24 HOUR FORECAST TROPICAL STORM ISELLE NEAR 19.1N 110.9W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 60 NM 
OF CENTER WITH SEAS TO 15 FT.
.48 HOUR FORECAST TROPICAL STORM ISELLE NEAR 20.5N 113.1W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 90 NM 
OF CENTER WITH SEAS TO 18 FT.
.72 HOUR FORECAST TROPICAL STORM ISELLE NEAR 21.0N 114.5W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION ISELLE NEAR 21.5N 116.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION ISELLE NEAR 21.5N 117.5W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN ISELLE WARNING...WITHIN 150 NM OF CENTER 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNING...WITHIN 180 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNING...LITTLE CHANGE.

.LOW PRES 14N120W 1007 MB. WITHIN 150 NM N AND 90 NM S  
SEMICIRCLES WINDS TO 20 KT. SEAS TO 8 FT.  ELSEWHERE FROM 09N TO 
14N BETWEEN 100W AND 125W W WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLY TROPICAL CYCLONE...NEAR 
14N122W 1007 MB. WITHIN 150 NM N AND 300 NM S SEMICIRCLES WINDS 
TO 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N123W 1007 MB. LITTLE CHANGE.

.REMNANT LOW PRES OF HERNAN AT 17N139W 1011 MB. WITHIN 330 NM NE 
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW PRES 16N141W 1012 MB. OVER FORECAST WATERS 
WITHIN 240 NM NE SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST LOW PRES AND CONDITIONS W OF FORECAST WATERS.
   
..REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CONVECTION VALID 0900 UTC THU AUG 14.

.TROPICAL STORM ISELLE...NUMEROUS STRONG WITHIN 60 NM 17N108.5W.

.LOW PRES AT 14N120W...NUMEROUS STRONG WITHIN 30 NM OF 13N121W. 
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 60 NM OF 
LINE 15N123W TO 12N121W.

.INTERTROPICAL CONVERGENCE ZONE...AXIS 07N78W TO 07N94W TO 
12N110W TO 13N133W TO 11N140W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 30 NM OF 06N78W AND WITHIN 90 NM EITHER SIDE OF 
LINE 11N91W TO 11N101W AND FROM 11N106W TO 12N114W. 

$$
.FORECASTER NELSON. TROPICAL PREDICTION CENTER.