576 
FZPN03 KNHC 180945
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED DEC 18 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED DEC 18.
24 HOUR FORECAST VALID 0600 UTC THU DEC 19.
48 HOUR FORECAST VALID 0600 UTC FRI DEC 20.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 14N97W TO 12N96W TO 13N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO 
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 16.5N94.5W TO 16.5N95W TO 16N95.5W TO 
15.5N95W TO 15.5N94.5W TO 16.5N94.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 8 TO 11 FT.
.42 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO 
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 15N94W TO 
16N94W TO 16N95W TO 12N98W TO 12N97W TO 14N95W TO 15N94W NE 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. REMINDER OF AREA WITHIN 
14N94W TO 15N94W TO 13N95W TO 13N97W TO 12N97W TO 12N96W TO 
14N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.WITHIN 17N124W TO 30N118W TO 30N140W TO 03N140W TO 09N113W TO 
07N124W  WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE AND 
NW SWELL.
.24 HOUR FORECAST COLD FRONT JUST NW OF AREA. WITHIN 25N115W TO 
22N134W TO 30N125W TO 30N140W TO 03N140W TO 09N114W TO 
25N115W...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL...EXCEPT IN MIXED NE AND NW 
SWELL FROM 03N TO 11N W OF 120W.
.48 HOUR FORECAST COLD FRONT FROM 30N138W TO 28N140W. WITHIN 
30N132W TO 30N138W TO 28N140W TO 29N135W TO 30N132W SW TO W 
WINDS 20 TO 25 KT. SEAS 11 TO 14 FT IN NW SWELL. ELSEWHERE 
WITHIN 09N116W TO 17N131W TO 30N119W TO 30N140W TO 05N140W TO 
09N116W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.

.WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO 
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0930 UTC WED DEC 18...

.TROUGH FROM 10N125W TO 05N125W. SCATTERED MODERATE FROM 04N TO 
06N BETWEEN 124W AND 126W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 08N83W TO 06N88W TO 07N92W.
THE ITCZ EXTENDS FROM 07N92W TO 07N102W TO 07N112W TO 08N123W.
IT RESUMES AT 07N126W TO 07N140W. SCATTERED MODERATE WITHIN 30 
NM S OF THE ITCZ BETWEEN 105W AND 109W AND BETWEEN 126W AND 
131W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.