320  
FZPN03 KNHC 190850  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0600 UTC THU DEC 19.  
24 HOUR FORECAST VALID 0600 UTC FRI DEC 20.  
48 HOUR FORECAST VALID 0600 UTC SAT DEC 21.  
 
.WARNINGS.  
   
..GALE WARNING  
 
.WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO 15N94W TO  
16N94W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 25 TO 35 KT.  
SEAS 9 TO 11 FT. ELSEWHERE WITHIN 16N94W TO 16N96W TO 13N98W TO  
11N97W TO 13N95W TO 14N94W TO 16N94W N TO NE WINDS 25 TO 30 KT.  
SEAS 8 TO 10 FT.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 14N96W TO 15N95W TO  
16N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT.  
SEAS 9 TO 12 FT. ELSEWHERE WITHIN 14N94W TO 16N94W TO 16N95W TO  
16N96W TO 13N97W TO 12N96W TO 14N94W N TO NE WINDS 25 TO 30 KT.  
SEAS 8 TO 11 FT. REMAINDER OF AREA WITHIN 15N94W TO 14N95W TO  
13N95W TO 12N97W TO 12N96W TO 13N94W TO 15N94W WINDS 20 KT OR  
LESS. SEAS 8 TO 10 FT IN N SWELL.  
 
.SYNOPSIS AND FORECAST.  
 
.COLD FRONT NW OF AREA. WITHIN 26N114W TO 20N130W TO 30N140W TO  
04N140W TO 08N122W TO 14N124W TO 26N114W...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 28N140W. WITHIN  
30N135W TO 30N140W TO 29N140W TO 28N138W TO 29N136W TO 30N135W SW  
TO W WINDS 20 TO 25 KT. SEAS 12 TO 14 FT IN W TO NW SWELL.  
ELSEWHERE WITHIN 30N135W TO 28N140W TO 06N140W TO 06N128W TO  
09N120W TO 17N133W TO 30N135W WINDS 20 KT OR LESS. SEAS 8 TO 11  
FT IN NW SWELL.  
.48 HOUR FORECAST OLD COLD FRONT DISSIPATED. NEW COLD FRONT FROM  
30N136W TO 28N140W. WITHIN 30N126W TO 30N140W TO 05N140W TO  
06N134W TO 15N124W TO 18N133W TO 30N126W WINDS 20 KT OR LESS.  
SEAS 8 TO 14 FT IN NW SWELL.  
 
.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 11N86W TO 11N87W TO 10N88W TO 10N89W TO  
09N89W TO 10N87W TO 11N86W...INCLUDING GULF OF PAPAGAYO...NE TO  
E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 0900 UTC THU DEC 19...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 04N94W. ITCZ AXIS  
EXTENDS FROM 04N94W TO 05N102W...AND FROM 05N105W TO 05N125W TO  
06N140W. SCATTERED MODERATE FROM 05N TO 07N BETWEEN 77W AND 85W.  
WIDELY SCATTERED SHOWERS FROM 05N TO 09N BETWEEN 120W AND 135W.  
 
 
 
.FORECASTER CHAN. NATIONAL HURRICANE CENTER.  
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