160 
FZPN03 KNHC 180845
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON DEC 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON DEC 18.
24 HOUR FORECAST VALID 0600 UTC TUE DEC 19.
48 HOUR FORECAST VALID 0600 UTC WED DEC 20.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N95W TO 16N96W TO 15N95W TO 15N94W TO 16N95W...INCLUDING
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 
12 FT. ELSEWHERE WITHIN 16N94W TO 16N95W TO 16N96W TO 13N97W TO 
12N95W TO 14N94W TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
10 FT. REMAINDER OF AREA WITHIN 13N94W TO 16N94W TO 15N97W TO 
10N104W TO 08N102W TO 08N98W TO 13N94W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 15N96W TO 14N95W TO
15N95W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 16N94W TO 
16N96W TO 15N97W TO 12N97W TO 12N96W TO 14N94W TO 16N94W N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95.5W TO 15N95.5W TO 
14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. 
ELSEWHERE WITHIN 16N94W TO 16N95W TO 14N97W TO 13N97W TO 13N96W 
TO 14N94W TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. 
REMAINDER OF AREA WITHIN 10N92W TO 16N94W TO 13N102W TO 08N102W 
TO 06N97W TO 07N92W TO 10N92W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 30N121W TO 30N140W TO 03N140W TO 05N120W TO 30N121W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 
11 TO 14 FT N OF 13N W OF 130W.
.24 HOUR FORECAST WITHIN 22N115W TO 30N140W TO 00N140W TO 
00N125W TO 09N118W TO 22N115W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 12N106W TO 15N140W TO 00N140W TO 
02S120W TO 07N107W TO 12N106W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN DECAYING NW TO N SWELL.

.06 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 10N88W TO
09N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 12N87W TO 11N88W TO 10N89W TO 09N89W TO
09N87W TO 10N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... 
NE TO E WINDS 20 TO 30 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 11N86W TO 12N88W TO 10N90W TO 07N91W TO
07N92W TO 09N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... 
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.42 HOUR FORECAST WITHIN 30N130.5W TO 30N140W TO 29.5N140W TO
29N130.5W TO 30N130.5W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
NW TO N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N130W TO 28N140W. WITHIN 
30N128W TO 30N140W TO 28N140W TO 28N135W TO 29N129W TO 30N128W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.

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

CONVECTION VALID AT 0830 UTC MON DEC 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM ITCZ AXIS EXTENDS FROM 09N83W 
TO 06N92W TO 06N100W. ITCZ EXTENDS FROM 06N100W TO 07N112W TO 
07N125W TO 06N132W TO 07N140W. NUMEROUS MODERATE TO STRONG WITHIN
120 NM S OF THE ITCZ BETWEEN 116W AND 125W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 120 NM S OF THE ITCZ BETWEEN 125W AND 
128W. SCATTERED MODERATE WITHIN 60 NM N OF THE ITCZ BETWEEN 116W 
AND 128W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.