569  
FZPN03 KNHC 111621  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1630 UTC WED DEC 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 1200 UTC WED DEC 11.  
24 HOUR FORECAST VALID 1200 UTC THU DEC 12.  
48 HOUR FORECAST VALID 1200 UTC FRI DEC 13.  
 
.WARNINGS.  
   
..STORM WARNING
 
 
.WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO 15N95W TO 15N94.5W  
TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO  
35 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 16N94W TO 16N95W TO  
15N96W TO 14N95W TO 15N94W TO 16N94W N WINDS 20 TO 30 KT. SEAS 8  
FT.  
.09 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N93W TO  
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS  
45 TO 50 KT. SEAS 14 TO 17 FT. ELSEWHERE WITHIN 15N94W TO 16N95W  
TO 15N96W TO 13N97W TO 13N96W TO 14N94W TO 15N94W N TO NE WINDS  
30 TO 45 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN 14N94W TO 16N94W  
TO 16N96W TO 13N98W TO 12N98W TO 12N96W TO 14N94W N TO NE WINDS  
20 TO 30 KT. SEAS 10 TO 13 FT. REMAINDER OF AREA WITHIN 15N93W TO  
16N96W TO 15N97W TO 14N97W TO 14N94W TO 14N93W TO 15N93W WINDS  
20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.  
.21 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 12N99W TO 12N96W TO  
13N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE  
WINDS 30 TO 45 KT. SEAS 14 TO 20 FT. ELSEWHERE WITHIN 15N93W TO  
16N95W TO 14N97W TO 11N102W TO 08N99W TO 11N95W TO 15N93W NE  
WINDS 20 TO 30 KT. SEAS 12 TO 18 FT. REMAINDER OF AREA WITHIN  
13N92W TO 16N94W TO 15N98W TO 12N102W TO 08N99W TO 11N93W TO  
13N92W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN N SWELL.  
.24 HOUR FORECAST LITTLE CHANGE.  
.42 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 15N96W TO 14N96W TO  
13N97W TO 14N95W TO 15N94W...INCLUDING THE GULF OF  
TEHUANTEPEC...N TO NE WINDS 25 TO 30 KT. SEAS 10 TO 12 FT.  
ELSEWHERE WITHIN 16N94.5W TO 16N95W TO 16N95.5W TO 15.5N95.5W TO  
16N95W TO 15.5N94.5W TO 16N94.5W N WINDS 20 TO 30 KT. SEAS 8 FT.  
REMAINDER OF AREA WITHIN 10N88W TO 15N94W TO 14N104W TO 10N111W  
TO 06N101W TO 06N95W TO 10N88W WINDS 20 KT OR LESS. SEAS 8 TO 10  
FT IN N TO NE SWELL.  
.48 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 15N95W TO 14N96W TO  
14N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE  
WINDS 25 TO 30 KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN 16N95W TO  
15N95W TO 16N95W TO 15N94W TO 16N95W N WINDS 20 TO 30 KT. SEAS  
LESS THAN 8 FT. REMAINDER OF AREA WITHIN 09N89W TO 15N94W TO  
14N106W TO 09N113W TO 05N103W TO 04N96W TO 09N89W WINDS 20 KT OR  
LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.  
   
..GALE WARNING
 
 
.WITHIN 28N112W TO 27N112W TO 26N111W TO 27N111W TO  
28N112W...INCLUDING THE GULF OF CALIFORNIA...NW TO N WINDS 30 TO  
35 KT. SEAS 10 TO 11 FT. ELSEWHERE WITHIN 29N112W TO 31N113W TO  
31N114W TO 27N112W TO 23N109W TO 26N110W TO 29N112W NW TO N WINDS  
20 TO 30 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA WITHIN 23N108W  
TO 27N111W TO 28N113W TO 22N109W TO 19N110W TO 20N107W TO  
23N108W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS.  
SEAS 8 TO 10 FT IN W TO NW SWELL.  
.03 HOUR FORECAST WITHIN 30N113W TO 28N112W TO 26N111W TO  
24N111W TO 23N109W TO 26N110W TO 30N113W...INCLUDING THE GULF OF  
CALIFORNIA...NW TO N WINDS 25 TO 30 KT. SEAS 9 TO 11 FT.  
ELSEWHERE WITHIN 31N114W TO 30N114W TO 28N113W TO 28N112W TO  
29N113W TO 31N114W NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN 8  
FT. REMAINDER OF AREA WITHIN 23N108W TO 26N110W TO 28N112W TO  
22N109W TO 19N110W TO 19N108W TO 23N108W WINDS 20 KT OR LESS.  
SEAS 8 TO 10 FT IN NW SWELL.  
.15 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 17N134W TO 18N136W TO 19N140W TO 14N140W TO 14N137W TO  
15N134W TO 17N134W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO 12 FT.  
ELSEWHERE WITHIN 26N127W TO 30N140W TO 20N140W TO 13N133W TO  
08N119W TO 08N111W TO 26N127W WINDS 20 KT OR LESS. SEAS 8 TO 11  
FT IN NW SWELL.  
.24 HOUR FORECAST WITHIN 18N133W TO 20N140W TO 13N140W TO  
14N135W TO 18N133W NE TO E WINDS 20 TO 25 KT. SEAS 12 TO 14 FT.  
ELSEWHERE WITHIN 20N123W TO 30N120W TO 30N137W TO 17N133W TO  
05N140W TO 09N119W TO 20N123W WINDS 20 KT. SEAS 8 TO 12 FT IN NW  
SWELL.  
.48 HOUR FORECAST WITHIN 19N120W TO 30N117W TO 30N140W TO  
00N140W TO 00N125W TO 09N113W TO 19N120W WINDS 20 KT OR LESS.  
SEAS 8 TO 12 FT IN NW SWELL.  
 
.12 HOUR FORECAST WITHIN 00N118W TO 00N120W TO 03.4S120W TO  
03.4S116W TO 02S116W TO 00N118W WINDS 20 KT OR LESS. SEAS 8 FT  
IN W TO NW SWELL.  
.24 HOUR FORECAST WITHIN 01S115W TO 00N118W TO 00N122W TO  
01S120W TO 03.4S120W TO 03.4S113W TO 01S115W WINDS 20 KT OR LESS.  
SEAS 8 FT IN W TO NW SWELL.  
.48 HOUR FORECAST CONDITIONS MERGED WITH AREA DESCRIBED ABOVE.  
 
.15 HOUR FORECAST WITHIN 10.5N86W TO 11N86.5W TO 11N87.5W TO  
10.5N88W TO 10N87.5W TO 10N86.5W TO 10.5N86W...INCLUDING THE  
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 10N86W TO 11N87W TO 10N89W TO 09N88W TO  
09N88W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20  
TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 11N86W TO 11N86.5W TO  
10.5N87.5W TO 10.5N87W TO 10.5N86.5W TO 10.5N86W TO 11N86W NE  
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.48 HOUR FORECAST WITHIN 10.5N86.5W TO 10.5N87W TO 10N87.5W TO  
09.5N87.5W TO 09.5N87W TO 10N86.5W TO 10.5N86.5W NE WINDS 20 TO  
25 KT. SEAS 8 TO 9 FT IN NE SWELL. ELSEWHERE WITHIN 10.5N86W TO  
11N86.5W TO 10.5N87.5W TO 10.5N87W TO 10.5N86.5W TO 10N86.5W TO  
10.5N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.  
SEAS 8 FT. REMAINDER OF AREA WITHIN 10N87W TO 10N88W TO 10N90W  
TO 10N92W TO 08N91W TO 09N88W TO 10N87W WINDS 20 KT OR LESS. SEAS  
8 FT IN MIXED NW AND SW SWELL.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 1200 UTC WED DEC 11...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH AXIS EXTENDS FROM 10N75W TO 10N85W TO  
06.5N97.5W. THE ITCZ CONTINUES FROM 06.5N97.5W TO 08N112W TO  
BEYOND 06N140W. SCATTERED MODERATE FROM 06N TO 08N BETWEEN 111W  
AND 116W.  
 

 
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.  
 
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