219  
FZPN03 KNHC 190809  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 UTC FRI DEC 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0600 UTC FRI DEC 19.  
24 HOUR FORECAST VALID 0600 UTC SAT DEC 20.  
48 HOUR FORECAST VALID 0600 UTC SUN DEC 21.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 14N139W TO 14N140W TO 13N140W TO 12N140W TO 12N138W TO  
13N138W TO 14N139W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E  
SWELL.  
.09 HOUR FORECAST CONDITIONS IMPROVE.  
 
.09 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO  
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25  
KT. SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 14N95W TO  
15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE  
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.  
.48 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 15N96W TO 14N96W TO  
14N95W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS  
20 TO 25 KT. SEAS LESS THAN 2.5 M.  
 
.24 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10.5N87W TO  
10.5N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS  
20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.39 HOUR FORECAST CONDITIONS IMPROVE.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 0800 UTC FRI DEC 19...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH AXIS EXTENDS FROM 09N83W TO 09N112W. ITCZ AXIS  
EXTENDS FROM 09N112W TO 07N140W. SCATTERED MODERATE FROM 05N TO  
13N E OF 100W AND FROM 07N TO 10N BETWEEN 120W AND 126W.  
 

 
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.  
 
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