174 
FZPN03 KNHC 282154
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU DEC 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU DEC 28.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 29.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 30.

.WARNINGS.

...GALE WARNING...
.COLD FRONT APPROACHING 30N140W. WITHIN 30N137W TO 30N140W TO 
28N140W TO 29N137W TO 30N137W SW TO W WINDS 30 TO 35 KT. SEAS 19 
TO 25 FT IN MIXED WIND WAVES AND NW SWELL. WITHIN 30N131W TO 
30N137W TO 28N140W TO 25N140W TO 27N134W TO 30N131W S TO SW WINDS
20 TO 30 KT. SEAS 15 TO 20 FT. WITHIN 30N120W TO 30N130W TO 
25N140W TO 12N140W TO 20N128W TO 30N120W WINDS 20 KT OR LESS. 
SEAS 12 TO 20 FT IN NW SWELL. WITHIN 14N109W TO 19N120W TO 
30N117W TO 12N140W TO 03N136W TO 00N110W TO 14N109W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.12 HOUR FORECAST COLD FRONT FROM 30N133W TO 22N138W. WITHIN 
30N127W TO 30N133W TO 26N137W TO 27N131W TO 28N128W TO 30N127W SW
WINDS 20 TO 30 KT. SEAS 15 TO 20 FT IN MIXED WIND WAVES AND NW 
SWELL. WITHIN 30N133W TO 30N140W TO 26N140W TO 26N137W TO 30N133W
W TO NW WINDS 20 TO 30 KT. SEAS 20 TO 30 FT. WITHIN 22N119W TO 
30N116W TO 30N127W TO 26N140W TO 08N140W TO 10N132W TO 22N119W 
...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 
12 TO 16 FT IN NW SWELL. WITHIN 17N116W TO 27N116W TO 11N129W TO 
03N140W TO 00N115W TO 03N112W TO 17N116W...INCLUDING WITHIN 60 NM
OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N127W TO 23N133W. WITHIN 
30N129W TO 30N139W TO 28N136W TO 28N132W TO 30N129W W TO NW WINDS
20 TO 25 KT. SEAS 20 TO 26 FT IN NW SWELL. WITHIN 25N113W TO 
30N116W TO 30N140W TO 10N140W TO 09N124W TO 25N113W...INCLUDING 
SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR
LESS. SEAS 12 TO 20 FT IN NW SWELL. WITHIN 24N111W TO 09N124W TO
08N140W TO 00N140W TO 02N119W TO 08N112W TO 24N111W... INCLUDING
WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
NW SWELL.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N116W TO 
26N120W. WITHIN 30N117W TO 30N140W TO 07N140W TO 11N129W TO 
17N122W TO 30N117W WINDS 20 KT OR LESS. SEAS 12 TO 16 FT IN NW 
SWELL. WITHIN 16N103W TO 29N116W TO 18N122W TO 06N140W TO 00N140W
TO 03.4S115W TO 16N103W...INCLUDING NEAR CABO CORRIENTES AND 
SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN NW SWELL.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW TO N WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC 
...N WINDS 25 TO 35 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
30 TO 35 KT. SEAS 8 FT. WITHIN 15N94W TO 15N97W TO 13N98W TO 
12N97W TO 13N94W TO 15N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
11 FT.

.SYNOPSIS AND FORECAST.

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

CONVECTION VALID AT 2100 UTC THU DEC 28...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM THE COLOMBIA-PANAMA BORDER NEAR 
08N78W TO 05N96W. THE ITCZ EXTENDS FROM 05N96W TO BEYOND 
06N140W. SCATTERED MODERATE CONVECTION IS OCCURRING FROM 05N-09N
BETWEEN 126W-131W, FROM 04N-08N BETWEEN 105W-111W, AND FROM 
04N-07N EAST OF 85W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.