489  
FZPN03 KNHC 181525  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1630 UTC FRI APR 18 2025  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 AND 03.4S TO THE  
EQUATOR E OF 120W  
 
SYNOPSIS VALID 1200 UTC FRI APR 18.  
24 HOUR FORECAST VALID 1200 UTC SAT APR 19.  
48 HOUR FORECAST VALID 1200 UTC SUN APR 20.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 11N86W TO 12N86W TO 12N88W TO 11N90W TO 09N89W TO 09N87W  
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO  
30 KT. SEAS 8 FT.  
.24 HOUR FORECAST LITTLE CHANGE.   
48 HOUR FORECAST LITTLE CHANGE
 
EXCEPT SEAS LESS THAN 8 FT.  
 
.WITHIN 12N125W TO 13N133W TO 17N140W TO 06N140W TO 07N123W TO  
12N125W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.  
.24 HOUR FORECAST WITHIN 16N125W TO 19N140W TO 05N140W TO  
11N129W TO 10N118W TO 16N125W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT  
IN NE TO E SWELL.  
.48 HOUR FORECAST WITHIN 11N116W TO 21N140W TO 04N140W TO  
09N117W TO 11N116W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E  
SWELL.  
 
.WITHIN 01S111W TO 00N115W TO 00N120W TO 03.4S120W TO 03.4S112W  
TO 01S111W WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.  
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 1500 UTC FRI APR 18...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
SURFACE TROUGH FROM 08N78W TO 05N98W...ITCZ FROM 05N98W TO BEYOND  
04N140W. SECOND ITCZ FROM 02S115W TO BEYOND 07S140W. SCATTERED  
MODERATE ISOLATED STRONG S OF 07N E OF 85W...FROM 03N TO 11N BETWEEN  
105W AND 137W.  
 

 
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.  
 
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