885 
FZPN03 KNHC 272209
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED DEC 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED DEC 27.
24 HOUR FORECAST VALID 1800 UTC THU DEC 28.
48 HOUR FORECAST VALID 1800 UTC FRI DEC 29.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N130W TO 24N140W. WITHIN 30N129W TO 30N140W 
TO 22N140W TO 30N129W WINDS 20 KT OR LESS. SEAS 12 TO 27 FT IN NW
SWELL...HIGHEST AT NW CORNER AT 30N140W. WITHIN 19N109W TO 
30N116W TO 30N129W TO 22N140W TO 07N140W TO 06N121W TO 
19N109W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF 
SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 30N137W TO 
30N140W TO 29N140W TO 29N139W TO 30N137W SW WINDS 30 TO 35 KT. 
SEAS 17 TO 20 FT IN MIXED WIND WAVES AND NW SWELL. WITHIN 30N131W
TO 30N136W TO 29N140W TO 26N140W TO 26N135W TO 30N131W SW WINDS 
20 TO 30 KT. SEAS 14 TO 18 FT IN MIXED WIND WAVES AND NW SWELL. 
WITHIN 30N120W TO 30N130W TO 25N140W TO 13N140W TO 17N132W TO 
30N120W WINDS 20 KT OR LESS. SEAS 12 TO 17 FT IN NW SWELL. WITHIN
13N109W TO 13N126W TO 30N117W TO 13N139W TO 07N140W TO 06N135W 
TO 13N109W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.36 HOUR FORECAST NEW COLD FRONT FROM 30N133W TO 23N140W. WITHIN
30N132W TO 30N140W TO 26N140W TO 27N136W TO 30N132W W TO NW 
WINDS 20 TO 30 KT. SEAS 20 TO 30 FT. WITHIN 29N129W TO 30N128W TO
30N132W TO 27N136W TO 27N133W TO 29N129W SW WINDS 20 TO 30 KT. 
SEAS 13 TO 17 FT IN MIXED WIND WAVES AND NW SWELL. WITHIN 26N116W
TO 30N115W TO 30N128W TO 25N140W TO 09N140W TO 14N129W TO 
26N116W WINDS 20 KT OR LESS. SEAS 12 TO 14 FT IN NW SWELL. WITHIN
23N113W TO 30N115W TO 16N125W TO 08N139W TO 04N140W TO 09N118W 
TO 23N113W...INCLUDING WITHIN 60 NM OF SHORE...WINDS 20 KT OR 
LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N127W TO 22N134W. WITHIN 
30N130W TO 30N140W TO 29N140W TO 29N133W TO 30N130W W TO NW WINDS
20 TO 25 KT. SEAS 20 TO 26 FT. WITHIN 30N125W TO 29N140W TO 
17N140W TO 18N137W TO 30N125W WINDS 20 KT OR LESS. SEAS 12 TO 20 
FT IN NW SWELL. WITHIN 24N113W TO 30N119W TO 22N122W TO 09N134W 
TO 08N131W TO 12N125W TO 24N113W...INCLUDING SEBASTIAN VIZCAINO 
BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 12 TO 
13 FT IN NW SWELL. WITHIN 26N113W TO 17N127W TO 30N125W TO 
17N140W TO 00N140W TO 07N119W TO 26N113W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN NW SWELL.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 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 2100 UTC WED DEC 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM THE COAST OF COSTA RICA NEAR 
10N86W TO 05N98W. THE ITCZ EXTENDS FROM 05N98W TO BEYOND 
06N140W. SCATTERED MODERATE AND ISOLATED CONVECTION IS OCCURRING
FROM 03N-07N WEST OF 128W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.