000
FZPN03 KNHC 180925
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN APR 18.
24 HOUR FORECAST VALID 0600 UTC MON APR 19.
48 HOUR FORECAST VALID 0600 UTC TUE APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST. 

.COMPLEX LOW MEAN CENTER 28N133W 1008 MB WITH INITIAL COLD FRONT 
30N129W TO 22N130W TO 16N135W...SECOND COLD FRONT FROM MEAN LOW 
TO 16N140W. FROM 28N TO 20N W OF 135W NW WINDS 25 TO 30 KT. SEAS 
9 TO 15 FT. ELSEWHERE W OF INITIAL FRONT WINDS 20 KT. SEAS TO 
11 FT PRIMARILY IN NW SWELL. N OF 20N WITHIN 240 NM E OF INITIAL 
FRONT SE TO S WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW PRES NEAR 28N126W 1012 MB WITH TROUGH S TO 
25N123W TO 15N127W. W OF LOW AND TROUGH WINDS LESS THAN 20 KT. 
SEAS 8 TO 11 FT PRIMARILY IN NW SWELL. 
.48 HOUR FORECAST WEAKENING LOW PRES NEAR 29N124W 1016 MB WITH 
TROUGH S TO 20N121W. N OF 25N W OF 128W AND FROM 25N TO 06N W OF 
125W NE WINDS 20 KT. SEAS 8 TO 10 FT IN NW SWELL.

.AREA S OF 13N W OF 110W AND S OF 10N BETWEEN 95W AND 110W WINDS 
LESS THAN 20 KT. SEAS TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST FROM 08N TO 15N W OF 132W NE WINDS 20 KT. SEAS 
8 TO 10 FT IN NW SWELL. S OF 08N BETWEEN 100W AND 125W WINDS 
LESS THAN 20 KT. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST CONDITIONS MERGE. 

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

.CONVECTION VALID 0845 UTC SUN APR 18... 

.INTERTROPICAL CONVERGENCE ZONE...AXIS 06N78W TO 09N100W TO 
05N116W TO 09N133W TO 07N140W. ISOLATED MODERATE TO STRONG 
WITHIN 240 NM LINE 12N87W TO 04N102W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 90 NM 02N117W AND FROM 04N TO 10N BETWEEN 
122W AND 136W.

$$
.FORECASTER NELSON. TROPICAL PREDICTION CENTER.