771  
FZPN03 KNHC 152059  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC TUE APR 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 TUE APR 15.  
24 HOUR FORECAST VALID 1800 UTC WED APR 16.  
48 HOUR FORECAST VALID 1800 UTC THU APR 17.  
 
.WARNINGS.  
   
..GULF OF CALIFORNIA GALE WARNING  
 
.18 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO  
30N114W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...S TO SW  
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 31N113W TO 31N114W TO 31N115W TO  
30N115W TO 30N114W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...  
S TO SW WINDS 25 TO 30 KT. SEAS LESS THAN 8 FT.  
.33 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.  
.42 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 30 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 16N94.5W TO 16.5N95W TO 16N95.5W TO 15N95.5W TO 14.5N95W  
TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...N  
WINDS 20 TO 30 KT. SEAS TO 8 FT.  
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO  
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...  
N WINDS 25 TO 35 KT. SEAS 8 TO 10 FT BUILDING TO 12 FT.  
.24 HOUR FORECAST WITHIN 16N94W TO 15N96W TO 13N98W TO 11N97W  
TO 11N96W TO 12N94W TO 16N94W...INCLUDING THE GULF OF  
TEHUANTEPEC...NE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.  
SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 10N88W TO 09N88W TO  
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E  
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.  
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 10N89W  
TO 09N88W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E  
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.  
 
.09 HOUR FORECAST WITHIN 11N116W TO 12N117W TO 12N118W TO  
11N119W TO 10N119W TO 10N116W TO 11N116W WINDS 20 KT OR LESS.  
SEAS 8 TO 10 FT IN E SWELL.  
.21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 14N134W TO 15N137W TO 14N137W TO  
13N137W TO 13N135W TO 14N134W WINDS 20 KT OR LESS. SEAS 8 FT IN N  
TO NE SWELL.  
.36 HOUR FORECAST WITHIN 14N134W TO 15N137W TO 14N137W TO  
13N137W TO 13N135W TO 14N134W WINDS 20 KT OR LESS. SEAS 8 TO 10  
FT IN N TO NE SWELL.  
.48 HOUR FORECAST WITHIN 12N139W TO 12N140W TO 10N140W TO  
11N139W TO 12N139W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE  
SWELL.  
 
.12 HOUR FORECAST WITHIN 30N133.5W TO 30N138W TO 29.5N137W TO  
29.5N136W TO 29.5N134W TO 30N133.5W WINDS 20 KT OR LESS. SEAS 8  
TO 10 FT IN N TO NE SWELL.  
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
.36 HOUR FORECAST WITHIN 30N128.5W TO 30N133.5W TO 30N132.5W TO  
29.5N131W TO 29.5N130W TO 30N128.5W WINDS 20 KT OR LESS. SEAS 8  
TO 10 FT IN N SWELL.  
.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 2040 UTC TUE APR 15...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
A SURFACE TROUGH EXTENDS FROM THE COAST OF COLOMBIA NEAR 06N77W  
AND EXTENDS TO 03N80W TO 05N90W. THE ITCZ THEN EXTENDS FROM  
05N90W TO 01N110W TO 03N130W. A SECOND ITCZ EXTENDS FROM 02S100W  
TO 02S120W TO 05W139W. SCATTERED MODERATE ISOLATED STRONG FROM  
02N TO 06N BETWEEN 81W AND 106W...AND FROM 03S TO 10S BETWEEN  
132W AND 140W. SCATTERED MODERATE FROM 06S TO EQ BETWEEN  
105W AND 119W.  
 
 
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.  
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