000
FZPN03 KNHC 042103
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE APR 04 2006

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W.

SYNOPSIS VALID 1800 UTC TUE APR 04
24 HOUR FORECAST VALID 1800 UTC WED APR 05
48 HOUR FORECAST VALID 1800 UTC THU APR 06

.WARNINGS
NONE.
 
.SYNOPSIS AND FORECAST
.FRONTAL TROUGH 30N123W 24N130W 21N140W. N OF 26N W OF TROUGH TO 
135W W TO NW WINDS 20 TO 25 KT SEAS 11 TO 19 FT IN NW SWELL. 
ELSEWHERE W OF LINE 30N118W 20N128W 15N133W NW TO N WINDS TO 20 
KT SEAS 8 TO 12 FT IN NW SWELL.   
.24 HOUR FORECAST TROUGH E OF AREA RIDGE 30N136W 15N105W. N OF 
22N E OF RIDGE TO 112W NW TO N WINDS TO 20 KT SEAS 9 TO 17 FT 
PRIMARILY IN NW SWELL. ELSEWHERE N OF 22N W OF 117W WINDS LESS 
THAN 20 KT SEAS 9 TO 14 FT PRIMARILY IN NW SWELL.  
.48 HOUR FORECAST COLD FRONT APPROACH NW PORTION AND HIGH PRES 
29N125W 1023 MB WITH RIDGE SE TO 16N105W. N OF 20N E OF RIDGE TO 
110W N WINDS TO 20 KT SEAS 8 TO 12 FT PRIMARILY IN NW SWELL. N 
OF 28N W OF 135W SW WINDS TO 20 KT SEAS TO 8 FT. ELSEWHERE N OF 
17N W OF 110W WINDS LESS THAN 20 KT SEAS 8 TO 12 FT PRIMARILY IN 
NW SWELL.   

.FROM 5N TO 15N W OF 117W NE WINDS TO 20 KT SEAS TO 8 FT WITH NW 
SWELL.
.24 HOUR FORECAST FROM 6N TO 20N W OF 117W NE WINDS 20 KT SEAS 8 
TO 12 FT IN MERGING NE AND NW SWELL.
.48 HOUR FORECAST FROM 6N TO 17N W OF 117W NE WINDS TO 20 KT 
SEAS 8 TO 11 FT IN MERGING NE AND NW SWELL.

.WITHIN 60 NM EITHER SIDE OF LINE 9N92W 11N86W INCLUDING GULF OF 
PAPAGAYO NE WINDS TO 20 KT SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS LESS THAN 20 KT SEAS LESS THAN 8 FT.

.WITHIN 60 NM EITHER SIDE OF LINE 1296W 16N94.5W N WINDS 20 TO 
25 KT SEAS TO 9 FT.
.18 HOUR FORECAST WINDS LESS THAN 20 KT SEAS LESS THAN 8 FT.

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

CONVECTION VALID 2100 UTC TUE APR 04...
INTERTROPICAL CONVERGENCE ZONE AXIS 3N77W 5N84W 4N100W 7N117W 
3N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 60 
NM EITHER SIDE OF LINE 6N84W 4N90W 4N95W AND WITHIN 30 NM EITHER 
SIDE OF LINE 9N106W 9N113W 7N122W 10N126W.

$$
FORECASTER NELSON
TROPICAL PREDICTION CENTER
TROPICAL ANALYSIS AND FORECAST BRANCH