643  
FZPN03 KNHC 120250  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC SAT APR 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 SAT APR 12.  
24 HOUR FORECAST VALID 0000 UTC SUN APR 13.  
48 HOUR FORECAST VALID 0000 UTC MON APR 14.  
 
.WARNINGS.  
   
..GALE WARNING
 
 
.WITHIN 16N94.5W TO 16N95.5W TO 15.5N95.5W TO 15N95.5W TO 15N95W  
TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...  
N WINDS 30 TO 35 KT. SEAS TO 11 FT. ELSEWHERE WITHIN 15N94W TO  
16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W TO 15N94W N TO NE  
WINDS 20 TO 30 KT. SEAS TO 10 FT IN N TO NE SWELL. REMAINDER OF  
AREA WITHIN 16N94W TO 14N95W TO 16N96W TO 14N98W TO 13N95W TO  
13N94W TO 16N94W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE  
SWELL.   
24 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 15N95W TO 16N95W
 
 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT.  
SEAS TO 11 FT. ELSEWHERE WITHIN 15N94W TO 16N94W TO 16N95W TO  
15N96W TO 14N96W TO 14N95W TO 15N94W N TO NE WINDS 20 TO 30 KT.  
SEAS TO 10 FT IN N TO NE SWELL. REMAINDER OF AREA WITHIN 15N94W  
TO 14N95W TO 16N96W TO 14N98W TO 13N97W TO 13N93W TO 15N94W WINDS  
20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.  
.39 HOUR FORECAST WITHIN 14N95W TO 15N95W TO 16N95W TO 14N96W TO  
11N98W TO 12N97W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...  
N TO NE WINDS 20 TO 30 KT. SEAS TO 11 FT IN N TO NE SWELL.  
ELSEWHERE WITHIN 16N95W TO 16N96W TO 14N98W TO 13N98W TO 12N95W  
TO 13N94W TO 16N95W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO  
NE SWELL.  
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95.5W TO 15.5N95.5W TO  
15N95.5W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF  
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 14N98W TO 10N114W TO 05N106W TO 03.4S113W TO 03.4S82W TO  
03N91W TO 14N98W...INCLUDING EXCEPT LEE OF GALAPAGOS ISLANDS...  
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.  
.24 HOUR FORECAST WITHIN 11N100W TO 11.5N99.5W TO 11N100W TO  
10.5N100.5W TO 10N100.5W TO 10N100W TO 11N100W NE TO E WINDS 20  
TO 25 KT. SEAS 9 TO 10 FT IN MERGING NE AND S SWELL. ELSEWHERE  
WITHIN 10N92W TO 13N93W TO 14N98W TO 12N106W TO 09N107W TO 05N99W  
TO 10N92W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MERGING N TO  
NE AND S SWELL.  
.48 HOUR FORECAST WITHIN 12N95W TO 14N96W TO 12N105W TO 09N108W  
TO 07N104W TO 08N97W TO 12N95W WINDS 20 KT OR LESS. SEAS 8 TO 10  
FT IN MERGING NE AND S SWELL.  
 
.WITHIN 30N137W TO 30N138W TO 29N139W TO 29N140W TO 28N140W TO  
30N137W NE WINDS 20 TO 25 KT. SEAS 10 TO 11 FT IN NW SWELL.  
ELSEWHERE WITHIN 30N134W TO 30N140W TO 25N140W TO 27N138W TO  
30N134W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.  
.24 HOUR FORECAST WITHIN 30N118W TO 30N140W TO 25N140W TO  
26N135W TO 07N140W TO 26N132W TO 30N118W WINDS 20 KT OR LESS.  
SEAS 8 TO 10 FT IN NW TO N SWELL.  
.48 HOUR FORECAST WITHIN 30N116W TO 30N131W TO 27N128W TO  
27N119W TO 30N116W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N  
SWELL. WITHIN 24N135W TO 25N138W TO 24N139W TO 23N139W TO 23N138W  
TO 23N136W TO 24N135W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE  
SWELL.  
 
.12 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25  
KT. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
.30 HOUR FORECAST WITHIN 11N86W TO 11.5N86W TO 11.5N87W TO  
11N87W TO 10.5N87W TO 10.5N86W TO 11N86W...INCLUDING THE GULF OF  
PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.  
.48 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 0230 UTC SAT APR 12...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
SURFACE TROUGH FROM 11.5N76W TO LOW PRES 1008 MB NEAR 07.5N79.5W  
TO 04N92W TO 04.5N101W. ITCZ FROM 04.5N102W TO 05N109W TO  
02N120W TO 00.5N140W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO  
STRONG CONVECTION FROM 00.5N TO 11N BETWEEN 82W AND 110W AND  
FROM 05S TO 01.5S BETWEEN 87W AND 100W.  
 

 
 
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.  
 
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