000
FZPN03 KNHC 181548
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC SAT SEP 18 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 18.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 19.
48 HOUR FORECAST VALID 1200 UTC MON SEP 20.

.WARNINGS.

.NONE.
 
.SYNOPSIS AND FORECAST.

.COLD FRONT 30N137W TO 28N140W. WITHIN 120 NM SE OF FRONT SW 
WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WEAKENING COLD FRONT 30N132W TO 26N140W. NW OF 
FRONT WINDS LESS THAN 20 KT. SEAS TO 8 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. NW OF LINE FROM 30N136W 
TO 26N140W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN NW SWELL.
 
.FROM N OF 26N WITHIN 240 NM OF W COAST OF BAJA CALIFORNIA NW TO 
N WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST NEW LOW PRES 1004 MB NEAR 17N106W. WITHIN 150 
NM SE SEMICIRCLE WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. 
.48 HOUR FORECAST LOW PRES NEAR 19N108W. WITHIN 150 NM SE AND 90 
NM NW SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE 
WITHIN 410 NM SE QUADRANT WINDS 20 KT. SEAS 9 TO 12 FT IN SW 
SWELL.

.TROUGH FROM 17N105W TO 12N125W. FROM 13N TO 16N BETWEEN 101W 
AND 107W SW TO W WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE 
S OF TROUGH TO 10N BETWEEN 100W AND 122W SW TO W WINDS TO 20 KT. 
SEAS 9 TO 12 FT IN SW SWELL. ELSEWHERE BETWEEN 90W AND 128W FROM 
07N TO LINE FROM 11N128W TO 21N105W WINDS LESS THAN 20 KT. SEAS 
TO 9 FT IN SW SWELL.
.24 HOUR FORECAST TROUGH FROM 15N115W TO 12N127W. ELSEWHERE SE 
OF TROUGH BETWEEN 100W AND 127W FROM 08N TO 14N SW TO W WINDS 20 
KT. SEAS 8 TO 11 FT IN SW SWELL.
.48 HOUR FORECAST TROUGH FROM 16N113W TO 12N127W. ELSEWHERE SE 
OF TROUGH BETWEEN 100W AND 127W FROM 08N TO 16N SW TO W WINDS 20 
TO 25 KT. SEAS 8 TO 12 FT IN SW SWELL.

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

CONVECTION VALID AS OF 1430 UTC SAT SEP 18...

.SCATTERED MODERATE TO STRONG FROM 12N TO 19N BETWEEN 100W AND 
108W.

.SCATTERED MODERATE ISOLATED STRONG FROM 06N TO 13N BETWEEN 88W 
AND 99W.

.LOW PRES 12N125W...SCATTERED MODERATE WITHIN 210 NM NW QUADRANT.

INTERTROPICAL CONVERGENCE ZONE...10N128W TO 09N140W. SCATTERED 
MODERATE WITHIN 120 NM S OF AXIS W OF 136W.

$$
.FORECASTER SCHAUER. TROPICAL PREDICTION CENTER.