000
FZPN03 KNHC 180223
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN APR 18.
24 HOUR FORECAST VALID 0000 UTC MON APR 19.
48 HOUR FORECAST VALID 0000 UTC TUE APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST. 

.LOW NEAR 26N138W 1008 MB WITH COLD FRONT FROM LOW TO 26N136W TO 
25N135W TO 22N140W. SECOND COLD FRONT FROM 30N133W TO 25N133W TO 
21N138W. WITHIN 420 NM S QUADRANT OF LOW WINDS 20 TO 30 KT. SEAS 
8 TO 17 FT. WITHIN 240 NM E OF SECOND FRONT WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT. ELSEWHERE N OF LOW W OF SECOND FRONT WINDS LESS 
THAN 20 KT. SEAS 9 TO 11 FT IN NW SWELL. 
.24 HOUR FORECAST LOW NEAR 28N127W 1010 MB WITH COLD FRONT TO 
28N124W TO 23N125W TO 16N131W. WITHIN 140 NM SE QUADRANT WINDS 
20 KT. SEAS 8 FT. FROM 23N TO 26N BETWEEN 129W AND 135W NW TO N 
WINDS 20 KT. SEAS TO 11 FT IN NW SWELL. ELSEWHERE W OF FRONT 
WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT IN NW SWELL. 
.48 HOUR FORECAST WEAKENING LOW NEAR 29N124W 1016 MB WITH 
DISSIPATING COLD FRONT TO 30N122W TO 21N122W TO 16N126W. S OF 
27N W OF FRONT WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW 
SWELL. 

.S OF 13N BETWEEN 100W AND 134W WINDS LESS THAN 20 KT. SEAS TO 
10 FT IN MIXED SWELL. 
.24 HOUR FORECAST FROM 10N TO 15N W OF 137W NE WINDS TO 20 KT. 
SEAS 8 FT. S OF 10N BETWEEN 103W AND 131W WINDS LESS THAN 20 KT. 
SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST FROM 08N TO 13N W OF 135W NE WINDS TO 20 KT. 
SEAS 8 TO 10 FT IN NW SWELL. ELSEWHERE W OF A LINE FROM 06N140W 
TO 07N134W TO 16N126W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN 
NW SWELL. 

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

.CONVECTION VALID 0215 UTC SUN APR 18... 

.INTERTROPICAL CONVERGENCE ZONE...AXIS 05.5N77W TO 06.5N81W TO 
05.5N89W TO 08.5N100W TO 06N116W TO 09N132W TO 07.5N140W. 
ISOLATED MODERATE TO STRONG WITHIN 150 NM S OF AXIS BETWEEN 98W 
AND 103W. ISOLATED MODERATE TO STRONG BETWEEN 210 NM AND 420 NM 
S OF AXIS BETWEEN 115W AND 122W. SCATTERED MODERATE TO ISOLATED 
STRONG WITHIN 150 NM EITHER SIDE OF AXIS BETWEEN 123W AND 130W.

$$
.FORECASTER AL. TROPICAL PREDICTION CENTER.