000
FZPN03 KNHC 182149
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN APR 18.
24 HOUR FORECAST VALID 1800 UTC MON APR 19.
48 HOUR FORECAST VALID 1800 UTC TUE APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST. 

.LOW PRES AT 29N129W 1005 MB WITH COLD FRONT TO 17N131W THEN 
DISSIPATING STATIONARY FRONT TO 13N140W.  N OF 26N WITHIN 240 NM 
E OF FRONT  S TO SW WINDS 25 TO 30 KT.  SEAS 11 TO 12 FT.  N 0F 
24N W OF FRONT  NW TO N WINDS 20 TO 25 KT.  SEAS 12 TO 13 FT.  
FROM 20N TO 24N W OF FRONT  NW WINDS 20 KT.  SEAS 14 TO 15 FT IN 
NW SWELL.
.24 HOUR FORECAST  WEAKENING LOW PRES AT 30N127W 1008 MB WITH 
DISSIPATING FRONTAL TROUGH TO 22N130W.  W OF TROUGH  WINDS LESS 
THAN 20 KT.  SEAS 10 TO 11 FT PRIMARILY IN NW SWELL.  ELSEWHERE 
N OF 09N W OF 126W  WINDS LESS THAN 20 KT.  SEAS 9 TO 10 FT IN 
NW SWELL.
.48 HOUR FORECAST  N OF 20N W OF 125W  N TO NE WINDS 20 TO 25 
KT.  SEAS 11 TO 12 FT IN NW SWELL...HIGHEST NW.  ELSEWHERE N OF 
05N W OF 123W  WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN NW SWELL.

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

.CONVECTION VALID 2115 UTC SUN APR 18... 

.INTERTROPICAL CONVERGENCE ZONE...AXIS ALONG 06N77W TO 08N100W 
TO 06N117W TO 08N130W TO 05N140W.  SCATTERED MODERATE ISOLATED 
STRONG WITHIN 45 NM OF AXIS FROM 84W TO 87W.  ISOLATED MODERATE 
WITHIN 180 NM OF AXIS FROM 105W TO 123W.

$$
.FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.