536 
FZPN03 KNHC 152133
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI DEC 15.
24 HOUR FORECAST VALID 1800 UTC SAT DEC 16.
48 HOUR FORECAST VALID 1800 UTC SUN DEC 17.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N132W TO 14N140W. N OF 28N 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.
.18 HOUR FORECAST COLD FRONT FROM 30N128W TO 14N140W. 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.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N127W TO 14N140W. 
SECONDARY FRONT FROM 30N130W TO 22N140W. N OF 24N W OF MAIN 
FRONT SW TO W WINDS 20 TO 30 KT. SEAS 12 TO 18 FT IN NW SWELL... 
EXCEPT 18 TO 24 FT N OF 27N W OF 135W...HIGHEST NEAR 30N140W. N 
OF 28N E OF MAIN FRONT TO 125W S TO SW WINDS 20 TO 25 KT. SEAS 
10 TO 14 FT IN NW SWELL. ELSEWHERE W OF A LINE FROM 30N124W TO 
20N132W TO 13N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW 
SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N126W TO 20N130W 
TO 14N140W. 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 30N121W TO 20N123W TO 
05N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL... 
EXCEPT 12 TO 15 FT W OF A LINE FROM 30N126W TO 22N130W TO 
18N140W.

...GALE WARNING...
.WITHIN 30 NM OF A LINE FROM 16N95W TO 14N95W TO 11N98W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT.
.24 HOUR FORECAST N OF 14N BETWEEN 94W AND 96W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 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 35 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 15 NM OF A LINE FROM 11N86W TO 09.5N88W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 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 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 1800 UTC FRI DEC 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM NORTHERN COLOMBIA NEAR 
10N75W TO 09N85W TO 05N100W. THE ITCZ CONTINUES FROM 05N100W TO 
07N120W TO BEYOND 09N140W. SCATTERED MODERATE TO ISOLATED STRONG 
CONVECTION IS NOTED FROM 03N TO 08N BETWEEN THE COAST OF 
COLOMBIA AND 110W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.