000
FZPN03 KNHC 180919
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 18 2007
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SECURITE

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

SYNOPSIS VALID 0600 UTC SAT AUG 18
24 HOUR FORECAST VALID 0600 UTC SUN AUG 19
48 HOUR FORECAST VALID 0600 UTC MON AUG 20
 
.WARNINGS.
.NONE.

.SYNOPSIS AND FORECAST.
.LOW PRES 16N109W 1007 MB. WITHIN 300 NM SE SEMICIRCLE SW WINDS 
20 KT SEAS 8 TO 10 FT WITH SW SWELL.
.24 HOUR FORECAST LOW PRES 20N112W 1008 MB. WITHIN 240 NM SE 
SEMICIRCLE S TO SW WINDS 20 KT SEAS 8 FT.
.48 HOUR FORECAST LOW PRES 22N114W 1010 MB. WITHIN 240 NM OF THE 
CENTER WINDS LESS THAN 20 KT SEAS LESS THAN 8 FT.

.FROM 8N TO 11N BETWEEN 105W AND 120W S TO SW WINDS 20 KT SEAS 
TO 9 FT WITH SLY SWELL.
.24 HOUR FORECAST FROM 8N TO 12N BETWEEN 108W AND 120W SW WINDS 
TO 20 KT SEAS TO 8 FT IN SLY SWELL.
.48 HOUR FORECAST WINDS LESS THAN 20 KT SEAS LESS THAN 8 FT. 

.FROM 13N TO 27N W OF 130W NE WINDS 20 KT SEAS TO 9 FT IN NE 
SWELL. ELSEWHERE N OF 12N W OF 125W NE WINDS TO 20 KT SEAS TO 8 
FT.
.24 HOUR FORECAST FROM 14N TO 24N W OF 130W NE WINDS 20 KT SEAS 
8 FT. ELSEWHERE N OF 12N W OF 125W NE WINDS TO 20 KT SEAS TO 8 
FT.
.48 HOUR FORECAST FROM 14N TO 26N W OF 125W NE WINDS TO 20 KT 
SEAS TO 8 FT WITH NE SWELL.  

.N OF 22N BETWEEN 120W AND 125W N WINDS 20 KT SEAS 8 TO 10 FT 
WITH N SWELL.
.24 HOUR FORECAST N OF 25N BETWEEN 120W AND 125W N WINDS TO 20 
KT SEAS TO 8 FT IN NLY SWELL. 
.42 HOUR FORECAST N OF 26N BETWEEN 120W AND 130W N TO NE WINDS 
TO 20 KT SEAS TO 8 FT WITH NLY SWELL.

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

CONVECTION VALID 0845 UTC SAT AUG 18...
INTERTROPICAL CONVERGENCE ZONE...AXIS ALONG 10N83W 8N91W 16N108W 
12N120W 11N131W 11N140W. ISOLATED STRONG CONVECTION NEAR 5N80W. 
SCATTERED MODERATE WITHIN 45 NM EITHER SIDE OF A LINE FROM 9N86W 
TO 10N103W. SCATTERED STRONG WITHIN 90 NM OF 12N112W. SCATTERED 
MODERATE NEAR 11N123W AND 11N137W. 

SCATTERED STRONG NEAR 14N92W AND WITHIN 60 NM OF 18N110W. 
CLUSTER OF STRONG CONVECTION CENTERED NEAR 23N107W.

$$
FORECASTER RRG 
TROPICAL PREDICTION CENTER
TROPICAL ANALYSIS AND FORECAST BRANCH