793  
FZPN03 KNHC 190344  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC THU DEC 19 2024  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 THU DEC 19.  
24 HOUR FORECAST VALID 0000 UTC FRI DEC 20.  
48 HOUR FORECAST VALID 0000 UTC SAT DEC 21.  
 
.WARNINGS.  
   
..GALE WARNING
 
   
WITHIN 16N95W TO 15N96W TO 15N95W TO 16N95W
 
INCLUDING GULF OF  
TEHUANTEPEC...N WINDS 25 TO 35 KT. SEAS 9 TO 11 FT. ELSEWHERE  
WITHIN 16N94W TO 16N95W TO 16N96W TO 12N98W TO 11N97W TO 13N94W  
TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.   
24 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 15N95W TO 16N95W
 
 
INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 9 TO  
11 FT IN NE SWELL. ELSEWHERE WITHIN 16N94W TO 16N95W TO 14N96W  
TO 13N96W TO 14N95W TO 14N94W TO 16N94W N TO NE WINDS 25 TO 30  
KT. SEAS 9 TO 10 FT. REMAINDER OF AREA WITHIN 13N94W TO 14N94W  
TO 14N97W TO 12N99W TO 11N98W TO 11N95W TO 13N94W WINDS 20 KT OR  
LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.  
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 16N95.5W TO  
15N95.5W TO 15N95W TO 15.5N94.5W TO 16N94.5W...INCLUDING GULF OF  
TEHUANTEPEC...N WINDS 25 TO 35 KT. SEAS 9 TO 11 FT. ELSEWHERE  
WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 13N96W TO 14N94W  
TO 16N94W N TO NE WINDS 25 TO 30 KT. SEAS 9 TO 11 FT. REMAINDER  
OF AREA WITHIN 14N94W TO 14N97W TO 11N98W TO 10N98W TO 11N96W TO  
12N95W TO 14N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE  
SWELL.  
 
.SYNOPSIS AND FORECAST.  
 
.COLD FRONT NW OF AREA. WITHIN 30N115W TO 30N140W TO 04N140W TO  
10N122W TO 15N125W TO 30N115W...INCLUDING SEBASTIAN VIZCAINO  
BAY...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.  
.24 HOUR FORECAST COLD FRONT FROM 30N138W TO 29N140W. WITHIN  
30N135W TO 30N140W TO 27N140W TO 29N137W TO 30N135W SW WINDS 20  
TO 30 KT. SEAS 12 TO 14 FT IN W TO NW SWELL. ELSEWHERE WITHIN  
30N124W TO 26N132W TO 27N140W TO 05N140W TO 05N127W TO 09N121W TO  
30N124W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.  
.48 HOUR FORECAST OLD COLD FRONT DISSIPATED. NEW COLD FRONT NW  
OF AREA. WITHIN 30N134W TO 30N140W TO 29.5N140W TO 29.5N137.5W TO  
30N134.5W TO 30N134W SW TO W WINDS 20 TO 25 KT. SEAS 17 TO 19 FT  
IN W TO NW SWELL. ELSEWHERE WITHIN 19N134W TO 26N131W TO 29N140W  
TO 05N140W TO 07N131W TO 12N129W TO 19N134W WINDS 20 KT OR LESS.  
SEAS 8 TO 16 FT IN NW SWELL.  
 
.06 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N88W TO 10N87W TO  
10N86W TO 11N86W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO  
25 KT. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 10N86W TO 11N86W TO 11N88W TO 09N89W TO  
10N87W TO 10N86W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20  
TO 25 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST WITHIN 10.5N86.5W TO 10.5N87.5W TO 10N87W TO  
10N86.5W TO 10.5N86.5W...INCLUDING GULF OF PAPAGAYO...NE TO E  
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 0300 UTC THU DEC 19...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 04N93W. ITCZ AXIS  
EXTENDS FROM 04N93W TO 05N110W TO 07N128W...AND FROM 07N132W TO  
BEYOND 07N140W. SCATTERED MODERATE FROM 04N TO 06N BETWEEN 79W  
AND 85W...AND FROM 06N TO 10N WEST OF 135W.  
 

 
 
.FORECASTER CHAN. NATIONAL HURRICANE CENTER.  
 
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