584  
FZPN03 KNHC 210340  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC WED MAY 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0000 UTC WED MAY 21.  
24 HOUR FORECAST VALID 0000 UTC THU MAY 22.  
48 HOUR FORECAST VALID 0000 UTC FRI MAY 23.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 11N129W TO 12N137W TO 16N140W TO 04N140W TO 09N128W TO  
11N129W WINDS 20 KT OR LESS. SEAS 2.5 M IN N TO NE SWELL.  
.24 HOUR FORECAST WITHIN 12N130W TO 15N140W TO 07N140W TO  
08N123W TO 12N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE  
SWELL.  
.48 HOUR FORECAST WITHIN 10N136W TO 11N138W TO 09N140W TO  
08N138W TO 08N136W TO 10N136W NE TO E WINDS 20 TO 25 KT. SEAS 2.5  
M. ELSEWHERE WITHIN 09N123W TO 10N129W TO 13N140W TO 07N140W TO  
06N130W TO 07N124W TO 09N123W WINDS 20 KT OR LESS. SEAS 2.5 M IN  
NE TO E SWELL.  
 
.WITHIN 00N113W TO 05N129W TO 04N131W TO 01S120W TO 03.4S120W TO  
03.4S95W TO 00N113W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S  
TO SW SWELL.  
.24 HOUR FORECAST WITHIN 03N101W TO 07N102W TO 06N111W TO  
00N121W TO 03.4S120W TO 03.4S89W TO 03N101W...EXCEPT LEE OF  
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S  
TO SW SWELL.  
.48 HOUR FORECAST WITHIN 08N109W TO 08N127W TO 05N129W TO  
03.4S120W TO 03.4S93W TO 08N109W...EXCEPT LEE OF GALAPAGOS  
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW  
SWELL.  
 
.WITHIN 30N119W TO 27N130W TO 26N140W TO 17N140W TO 17N135W TO  
22N132W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N  
TO NE SWELL.  
.24 HOUR FORECAST WITHIN 30N118W TO 30N131W TO 23N140W TO  
21N139W TO 25N130W TO 26N122W TO 30N118W WINDS 20 KT OR LESS.  
SEAS 2.5 TO 3.0 M IN N TO NE SWELL.  
.48 HOUR FORECAST WITHIN 30N119W TO 30N126W TO 27N122W TO  
28N119W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N  
SWELL.  
 
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 12N87W TO 11N87W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 KT.  
SEAS LESS THAN 2.5 M.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 0000 UTC WED MAY 21...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH FROM 10N86W TO 08N116W. ITCZ FROM 08N116W TO  
BEYOND 05N140W. SCATTERED MODERATE FROM 06N TO 10N E OF  
92W...AND FROM 05N TO 07N W OF 136W.  
 

 
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.  
 
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