679 
FZPN03 KNHC 151545
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI DEC 15 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI DEC 15.
24 HOUR FORECAST VALID 1200 UTC SAT DEC 16.
48 HOUR FORECAST VALID 1200 UTC SUN DEC 17.

.WARNINGS.

...GALE WARNING...
.COLD FRONT TO 30N135W AND TO 21N140W. N OF 28N E OF FRONT TO 
132W S TO SW WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. W OF FRONT W 
TO NW WINDS 20 TO 30 KT. SEAS 10 TO 13 FT IN NW SWELL. ELSEWHERE 
W OF A LINE FROM 30N127W TO 22N130W TO 21N140W S TO SW WINDS 20 
TO 30 KT. SEAS 8 TO 10 FT IN NW SWELL. REMAINDER OF AREA W OF A 
LINE FROM 22N130W TO 16N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NW SWELL.
.06 HOUR FORECAST COLD FRONT FROM 30N132W TO 14N140W. N OF 27N E 
OF FRONT TO 129W S TO SW WINDS 30 TO 35 KT. SEAS  10 TO 15 FT. 
ELSEWHERE N OF 20N E OF FRONT AND W OF A LINE FROM 30N127W TO 
20N130W S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. N OF 28N W 
OF FRONT NW WINDS 30 TO 35 KT. SEAS 12 TO 20 FT IN NW SWELL... 
HIGHEST NEAR 30N140W. ELSEWHERE W OF FRONT W TO NW WINDS 20 TO 
30 KT. SEAS 8 TO 12 FT...EXCEPT 12 TO 16 FT IN NW SWELL N OF 22N.
.24 HOUR FORECAST COLD FRONT FROM 30N128W TO 13N140W. SECONDARY 
FRONT FROM 30N131W TO 23N140W. N OF 22N W OF MAIN FRONT SW TO W 
WINDS 20 TO 30 KT.  SEAS 12 TO 20 FT IN NW SWELL. N OF 25N E OF 
MAIN FRONT TO 125W S TO SW WINDS 20 TO 30 KT. SEAS 10 TO 15 FT 
IN NW SWELL. ELSEWHERE W OF A LINE FROM 30N124W TO 20N133W TO 
13N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N126W TO 13N140W. 
ANOTHER SECONDARY FRONT FROM 30N135W TO 26N140W. N OF 25N W OF 
MAIN FRONT SW TO W WINDS 20 TO 30 KT.  SEAS 12 TO 18 FT IN NW 
SWELL. ELSEWHERE W OF A LINE FROM 30N122W TO 20N125W TO 08N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 12 TO 
16 FT W OF A LINE FROM 30N126W TO 23N129W TO 17N140W.

...GALE WARNING...
.WITHIN 45 NM OF A LINE FROM 16N95W TO 14N95W TO 11N97W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST N OF 14N BETWEEN 94W AND 96W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 12 
FT. ELSEWHERE WITHIN 60 NM OF A LINE FROM 16N95W TO 14N95W TO 
10.5N98W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 14N95W N 
TO NE WINDS 30 TO 40 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 75 NM 
OF A LINE FROM 16N95W TO 14N95W TO 11N100W N TO NE WINDS 20 TO 
30 KT. SEAS 8 TO 12 FT...12 TO 14 FT IN N SWELL N OF 12N.

.SYNOPSIS AND FORECAST.

.WITHIN 45 NM OF A LINE FROM 11N86W TO 08.5N90W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
FROM 18N TO 23N BEWTEEN 106W AND 109W N WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA LITTLE CHANGE. 
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1500 UTC FRI DEC 15...

.SCATTERED MODERATE WITHIN 60 NM OF 12N97W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM NORTHERN COLOMBIA NEAR 
10N74W TO 06N90W TO 05N110W. THE ITCZ CONTINUES FROM 05N110W TO 
09N125W  TO BEYOND 09N140W. SCATTERED MODERATE TO ISOLATED STRONG 
CONVECTION IS NOTED FROM 03N TO 08N BETWEEN THE COAST OF 
COLOMBIA AND 108W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.