265  
FZPN03 KNHC 090245  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC TUE DEC 9 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 TUE DEC 9.  
24 HOUR FORECAST VALID 0000 UTC WED DEC 10.  
48 HOUR FORECAST VALID 0000 UTC THU DEC 11.  
 
.WARNINGS.  
   
..GALE WARNING
 
   
WITHIN 16N94W TO 16N95W TO 15N95W TO 16N94W
 
INCLUDING THE  
GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS BUILDING TO 2.5  
TO 3.5 M. ELSEWHERE WITHIN 16N94W TO 16N96W TO 14N96W TO 14N95W  
TO 14N94W TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS TO 2.5 M.  
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO  
15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE  
WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N94W  
TO 16N95W TO 12N100W TO 11N101W TO 11N97W TO 12N95W TO 16N94W N  
TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.   
30 HOUR FORECAST LITTLE CHANGE
 
EXCEPT WINDS BELOW GALE FORCE.  
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO  
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30  
KT. SEAS LESS THAN 2.5 M. WITHIN 13N100W TO 12N102W TO 12N101W TO  
12N100W TO 13N100W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED  
SWELL.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 30N113W TO 28N113W TO 26N111W TO 25N110W TO 27N110W TO  
30N113W...INCLUDING THE GULF OF CALIFORNIA...NW WINDS 20 TO 25  
KT. SEAS LESS THAN 2.5 M.  
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.WITHIN 15N132W TO 20N140W TO 08N140W TO 08N130W TO 15N132W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.  
.24 HOUR FORECAST WITHIN 17N130W TO 20N140W TO 07N140W TO  
08N135W TO 14N136W TO 14N128W TO 17N130W WINDS 20 KT OR LESS.  
SEAS 2.5 TO 3.0 M IN MIXED SWELL.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.48 HOUR FORECAST WITHIN 30N137W TO 30N140W TO 24N140W TO  
28N138W TO 30N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW  
SWELL.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 0200 UTC TUE DEC 9...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH FROM ALONG PANAMA AND COSTA RICA TO GULF OF  
PAPAGAYO NEAR 11N86W TO 07N99W TO 1011 MB LOW PRES NEAR  
11N119.5W TO 11.5N121.5W. ITCZ FROM 11.5N121.5W TO BEYOND  
07.5N140W. SCATTERED MODERATE ISOLATED STRONG FROM 09N TO 17N  
BETWEEN 107W AND 126W...AND FROM 06.5N TO 09N BETWEEN 132W AND  
136W.  
 

 
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.  
 
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