249  
FZPN03 KNHC 172138  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC THU APR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 1800 UTC THU APR 17.  
24 HOUR FORECAST VALID 1800 UTC FRI APR 18.  
48 HOUR FORECAST VALID 1800 UTC SAT APR 19.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
   
WITHIN 11N86W TO 12N89W TO 10N89W TO 10N88W TO 11N86W
 
 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS  
8 TO 9 FT.   
12 HOUR FORECAST LITTLE CHANGE
 
EXCEPT WINDS TO 30 KT.  
.24 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 09N89W TO 10N87W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.  
SEAS 8 TO 9 FT.   
36 HOUR FORECAST LITTLE CHANGE
 
EXCEPT NE WINDS TO 30 KT.    
48 HOUR FORECAST LITTLE CHANGE
 
EXCEPT NE WINDS 20 TO 25 KT.  
 
.WITHIN 30N126W TO 30N136W TO 29.5N135W TO 29N130W TO 29N128W TO  
30N126W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL.  
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
.12 HOUR WITHIN 31N113W TO 31N114W TO 30N115W TO 30N114W TO  
30N113W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...SW TO W  
WINDS 20 TO 25 KT. SEAS TO 8 FT.  
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
.WITHIN 11N120W TO 12N126W TO 11N129W TO 07N129W TO 05N126W TO  
06N118W TO 11N120W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E  
SWELL.  
.24 HOUR FORECAST WITHIN 10N128W TO 11N131W TO 09N136W TO  
06N135W TO 06N131W TO 08N128W TO 10N128W WINDS 20 KT OR LESS.  
SEAS 8 FT IN NE TO E SWELL.  
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E  
SWELL.  
 
.WITHIN 12N136W TO 13N140W TO 07N140W TO 08N137W TO 09N135W TO  
12N136W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL.  
.24 HOUR FORECAST WITHIN 11N134W TO 13N140W TO 07N140W TO  
06N136W TO 07N134W TO 11N134W WINDS 20 KT OR LESS. SEAS 8 FT IN  
N TO NE SWELL.  
.48 HOUR FORECAST WITHIN 10N120W TO 15N128W TO 18N140W TO  
12N140W TO 05N140W TO 08N132W TO 10N120W WINDS 20 KT OR LESS.  
SEAS 8 FT IN MIXED N AND E SWELL.  
 
.WITHIN 01N107W TO 01N119W TO 00N121W TO 03.4S120W TO 03S105W TO  
01N107W WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.  
.24 HOUR FORECAST WITHIN 00N113W TO 01N114W TO 01N122W TO  
01S120W TO 03.4S120W TO 03.4S113W TO 00N113W WINDS 20 KT OR  
LESS. SEAS 8 FT IN SE SWELL.  
.36 HOUR FORECAST 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 2115 UTC THU APR 17...  
   
TROUGH FROM 08N127W TO 02N129W
 
SCATTERED MODERATE ISOLATED  
STRONG WITHIN 120 NM E AND 60 NM W OF THE TROUGH FROM 05N TO 08N.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
TROUGH AXIS EXTENDS FROM 09N84W TO 06N90W TO 06N97W. THE ITCZ  
EXTENDS FROM 06N97W TO 07N110W TO 08N115W TO 06N120W TO 06N127W.  
SCATTERED MODERATE TO STRONG FROM 03N TO 07N BETWEEN 88W AND 92W  
AND WITHIN 180 NM S OF THE TROUGH BETWEEN 85W AND 88W. SCATTERED  
MODERATE ISOLATED STRONG FROM 02N TO 07N BETWEEN 107W AND  
111W...WITHIN 120 NM S OF THE ITCZ BETWEEN 119W AND 124W AND  
WITHIN 60 NM N OF THE ITCZ BETWEEN 111W AND 118W.  
 

 
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.  
 
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