372  
FZPN03 KNHC 191521  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 1200 UTC FRI DEC 19.  
24 HOUR FORECAST VALID 1200 UTC SAT DEC 20.  
48 HOUR FORECAST VALID 1200 UTC SUN DEC 21.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.FROM 10N TO 18N W OF 135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN  
MIXED NE AND NW SWELL.  
.06 HOUR FORECAST CONDITIONS IMPROVE.  
   
06 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W  
INCLUDING THE  
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.12 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO  
14N95W N TO NE WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 2.5 TO 3 M.  
.24 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO  
13N96.5W TO 13N99W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.   
48 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W  
INCLUDING THE  
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
   
12 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 11N86W TO 09.5N88W  
 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS  
LESS THAN 2.5 M.   
24 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 11N86W TO 09.5N88W  
 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS  
LESS THAN 2.5 M.   
36 HOUR FORECAST FROM 10N TO 12N E OF 89W  
INCLUDING THE GULF OF  
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.   
48 HOUR FORECAST FROM 10N TO 12N E OF 100W  
INCLUDING THE GULF OF  
PAPAGAYO...NE TO 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 1500 UTC FRI DEC 19...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
THE MONSOON TROUGH EXTENDS FROM 10N85W TO TO 09N95W TO 09N110W. THE  
ITCZ CONTINUES FROM 09N110W TO BEYOND 07N140W. SCATTERED MODERATE  
CONVECTION IS NOTED FROM 07N TO 10N BETWEEN 83W AND 106W AND FROM  
07N TO 11N BETWEEN 115W AND 134W.  
 
 
.FORECASTER GR. NATIONAL HURRICANE CENTER.  
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