178  
FZPN03 KNHC 161539  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1630 UTC WED APR 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 WED APR 16.  
24 HOUR FORECAST VALID 1200 UTC THU APR 17.  
48 HOUR FORECAST VALID 1200 UTC FRI APR 18.  
 
.WARNINGS.  
   
..GULF OF CALIFORNIA GALE WARNING
 
 
.12 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO  
30N114W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...SW WINDS  
20 TO 30 KT. SEAS TO 8 FT.  
.15 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO  
30N115W TO 30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF  
CALIFORNIA... SW WINDS 25 TO 35 KT. SEAS TO 8 FT.  
.24 HOUR FORECAST WITHIN 31N113W TO 30N114W TO 30N115W TO  
30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF  
CALIFORNIA...SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
.39 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO  
30N115W TO 30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF  
CALIFORNIA...SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
   
..GULF OF TEHUANTEPEC GALE WARNING
 
 
.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO 15N95W TO  
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO 35  
KT. SEAS 8 TO 12 FT. WITHIN 16N94W TO 14N95W TO 16N96W TO 12N98W  
TO 12N97W TO 13N94W TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS 8  
TO 11 FT.  
.06 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 12N99W TO 11N98W TO  
11N95W TO 13N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...  
NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.  
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 13N96W TO  
14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS  
20 TO 25 KT. SEAS 8 TO 9 FT.  
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 11N86W TO 12N87W TO 11N88W TO 10N88W TO 10N87W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.  
SEAS TO 8 FT.  
.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N88W TO 10N88W  
TO 10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E  
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.  
.48 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W  
TO 10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...  
NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.  
 
.WITHIN 30N133W TO 30N140W TO 25N140W TO 27N138W TO 28N135W TO  
30N133W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.  
.24 HOUR FORECAST WITHIN 30N126W TO 30N136W TO 29N134W TO  
29N130W TO 29N127W TO 30N126W WINDS 20 KT OR LESS. SEAS 8 TO 10  
FT IN N SWELL.  
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
 
.21 HOUR FORECAST WITHIN 02.5S107W TO 02.5S109W TO 03S109.5W TO  
03S113.5W TO 03.4S114W TO 03.4S105W TO 02.5S107W WINDS 20 KT OR  
LESS. SEAS 8 TO 10 FT IN SE SWELL.  
.24 HOUR FORECAST WITHIN 02S107W TO 02S110W TO 02S112W TO  
03.4S115W TO 03.4S105W TO 02S107W WINDS 20 KT OR LESS. SEAS 8 TO  
10 FT IN SE SWELL.  
.48 HOUR FORECAST WITHIN 01S114W TO 02S117W TO 03.4S120W TO  
03S113W TO 01S114W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SE  
SWELL.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 1530 UTC WED APR 16...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
A SURFACE TROUGH EXTENDS FROM 06N77W TO 06N83W TO 05N92W. THE  
ITCZ THEN EXTENDS FROM 05N92W TO 05N120W TO 02N140W. A SOUTHERN  
HEMISPHERIC ITCZ IS ANALYZED FROM 03S105W TO 03S127W TO BEYOND  
06S140W. NUMEROUS STRONG AND TSTMS ARE OCCURRING FROM 00N TO 05N  
E OF 83W. SCATTERED MODERATE ELSEWHERE FROM 02N TO 08N BETWEEN  
84W AND 95W.  
 

 
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.  
 
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