000
FZPN04 KNHC 201630
HSFEP3

HIGH SEAS FORECAST FOR METAREA XVI
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1715 UTC MON APR 20 2009

CCODE/1:31:16:01:00/AOW/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

S PACIFIC FROM THE EQUATOR TO 18.5S E OF 120W

SYNOPSIS VALID 1200 UTC MON APR 20.
24 HOUR FORECAST VALID 1200 UTC TUE APR 21.
48 HOUR FORECAST VALID 1200 UTC WED APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.S OF THE ITCZ TO A LINE FROM 15S88W TO 12S108W TO 05S120W...SE 
WINDS 20 KT. SEAS 8 TO 12 FT IN MIXED SW SWELL AND SE WIND 
WAVES. ELSEWHERE SW OF LINE 00S120W TO 02S105W TO 18.5S75W... 
WINDS LESS THAN 20 KT. SEAS 8 TO 15 FT PRIMARILY IN SW 
SWELL...HIGHEST S.
.24 HOUR FORECAST FROM 10S TO 04S BETWEEN 108W AND 118W...SE 
WINDS 20 KT. SEAS 10 TO 12 FT IN MIXED SW SWELL AND SE WIND 
WAVES. ELSEWHERE SW OF A LINE FROM 00S120W TO 00S100W TO 
18.5S70W...WINDS LESS THAN 20 KT. SEAS 8 TO 14 FT PRIMARILY IN 
SW SWELL...HIGHEST SE.
.48 HOUR FORECAST ENTIRE AREA...WINDS LESS THAN 20 KT. SEAS 8 TO 
11 FT PRIMARILY IN SW SWELL...HIGHEST SE.

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

.CONVECTION VALID 1515 UTC MON APR 20...
.SE PAC INTERTROPICAL CONVERGENCE ZONE EXTENDS FROM 03S88W TO 
04S90W TO 02S120W. SCATTERED MODERATE CONVECTION WAS NOTED 
WITHIN 60 NM OF AXIS BETWEEN 99W AND 118W.

$$
.FORECASTER STRIPLING. TROPICAL PREDICTION CENTER.