215  
FZPN03 KNHC 180412  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC WED DEC 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 WED DEC 18.  
24 HOUR FORECAST VALID 0000 UTC THU DEC 19.  
48 HOUR FORECAST VALID 0000 UTC FRI DEC 20.  
 
.WARNINGS.  
   
..GALE WARNING
 
 
.WITHIN 16N94W TO 16N95W TO 14N97W TO 12N96W TO 13N95W TO  
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO  
30 KT. SEAS TO 8 FT.  
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO  
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE  
WINDS 20 TO 30 KT. SEAS 8 FT.  
.24 HOUR FORECAST WITHIN 16.5N94.5W TO 16.5N95W TO 16N95.5W TO  
15.5N95W TO 15.5N94.5W TO 16.5N94.5W...INCLUDING THE GULF OF  
TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 8 TO 11 FT.  
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO  
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE  
WINDS 30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 15N94W TO  
16N94W TO 16N95W TO 12N98W TO 12N97W TO 14N95W TO 15N94W NE  
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. REMINDER AREA WITHIN 14N94W  
TO 15N94W TO 13N95W TO 13N97W TO 12N97W TO 12N96W TO 14N94W  
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 16N116W TO 21N114W TO 30N140W TO 03N140W TO 05N102W TO  
16N116W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NE SWELL.  
.24 HOUR FORECAST WITHIN 30N116W TO 30N140W TO 02N140W TO  
05N108W TO 08N105W TO 15N121W TO 30N116W...INCLUDING SEBASTIAN  
VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED  
SWELL.  
.48 HOUR FORECAST WITHIN 30N135W TO 30N140W TO 27N140W TO  
27N138W TO 29N136W TO 30N135W S TO SW WINDS 20 TO 25 KT. SEAS 10  
TO 13 FT IN NW SWELL. ELSEWHERE WITHIN 20N116W TO 19N125W TO  
30N140W TO 03N140W TO 09N111W TO 20N116W WINDS 20 KT OR LESS.  
SEAS 8 TO 10 FT IN NW TO N SWELL.  
 
.WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25  
KT. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 0345 UTC WED DEC 18...  
 
.TROUGH FROM 10N122W TO 05N124W. SCATTERED MODERATE FROM 05N  
TO 07N BETWEEN 120W AND 124W.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH AXIS EXTENDS FROM 08N81W TO 07N86W TO 06N93W.  
THE ITCZ EXTENDS FROM 06N93W TO 06N100W TO 06N110W TO 08N120W.  
IT RESUMES AT 07N125W TO 07N140W. SCATTERED MODERATE WITHIN 60  
NM N OF THE ITCZ BETWEEN 108W AND 110W.  
 

 
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.  
 
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