000
FZPN03 KNHC 170834
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN DEC 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN DEC 17.
24 HOUR FORECAST VALID 0600 UTC MON DEC 18.
48 HOUR FORECAST VALID 0600 UTC TUE DEC 19.

.WARNINGS.

...GALE WARNING...
.STATIONARY FRONT FROM 30N126W TO 22N129W TO 15N137W. COLD FRONT 
FROM 30N137W TO 26N140W. WITHIN 30N133W TO 30N136W TO 28N137W 
TO 28N135W TO 29N134W TO 30N133W SW WINDS 30 TO 35 KT. SEAS 18 
TO 24 FT IN NW SWELL. ELSEWHERE WITHIN 30N128W TO 30N140W TO 
26N140W TO 28N136W TO 26N137W TO 26N134W TO 30N128W SW TO W WINDS
20 TO 30 KT...EXCEPT W TO NW WINDS 20 TO 25 KT N OF 27N W OF 
137W. SEAS 17 TO 23 FT IN NW SWELL. WITHIN 22N124W TO 30N122W TO
25N140W TO 07N140W TO 11N131W TO 22N124W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 11 TO 18 FT IN NW SWELL N
OF 22N W OF 130W.
.12 HOUR FORECAST COLD FRONT FROM 30N135W TO 25N140W. WITHIN 
30N129W TO 30N137W TO 27N136W TO 26N134W TO 28N130W TO 30N129W SW
TO W WINDS 20 TO 25 KT. SEAS 14 TO 16 FT IN NW SWELL. ELSEWHERE 
WITHIN 30N121W TO 27N132W TO 30N140W TO 04N140W TO 06N124W TO 
09N121W TO 30N121W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW 
TO N SWELL...EXCEPT 11 TO 14 FT N OF 18N W OF 130W.
.24 HOUR FORECAST STATIONARY FRONT DISSIPATED. COLD FRONT FROM 
30N133W TO 25N140W. WITHIN 30N120W TO 30N140W TO 02N140W TO 
06N123W TO 30N120W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO 
N SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N127W TO 24N132W 
TO 23N140W. WITHIN 21N116W TO 30N128W TO 30N140W TO 00N140W TO 
00N122W TO 08N113W TO 21N116W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW TO N SWELL.

...GALE WARNING...
.WITHIN 16N95W TO 15N96W TO 13N96W TO 14N95W TO 16N95W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 
13 FT. ELSEWHERE WITHIN 15N94W TO 16N95W TO 14N98W TO 12N98W TO 
13N94W TO 14N93W TO 15N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
11 FT.
.24 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 16N95.5W TO 
15N95.5W TO 15N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF 
OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. 
ELSEWHERE WITHIN 14N94W TO 16N94W TO 16N95W TO 14N97W TO 13N97W 
TO 13N95W TO 14N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
REMAINDER OF AREA WITHIN 14N93W TO 16N94W TO 13N98W TO 11N104W TO
08N101W TO 10N95W TO 14N93W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 14N96W TO 14N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
40 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 16N95W TO 16N96W TO 
14N97W TO 13N97W TO 13N95W TO 14N94W TO 16N95W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.30 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N89W TO 10N89W TO
10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... 
NE TO E WINDS 20 TO 30 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 0815 UTC SUN DEC 17...

.SCATTERED MODERATE WITHIN 30 NM OF A LINE FROM 09N132W TO 
10N135W AND WITHIN 30 NM OF 08N113W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 07N91W TO 06N99W. THE
ITCZ EXTENDS FROM 06N99W TO LOW PRES NEAR 07N103W 1009 MB TO 
06N113W TO 06N125W TO 07N131W AND TO 08N140W. NUMEROUS MODERATE 
ISOLATED STRONG WITHIN 60 NM OF THE ITCZ BETWEEN 105W AND 112W. 
SCATTERED MODERATE FROM 05N TO 08N BETWEEN 83W AND 89W AND 
WITHIN 60 NM OF THE ITCZ BETWEEN 101W AND 105W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.