000
FZPN03 KNHC 170311
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN DEC 17.
24 HOUR FORECAST VALID 0000 UTC MON DEC 18.
48 HOUR FORECAST VALID 0000 UTC TUE DEC 19.

.WARNINGS.

...GALE WARNING...
.STATIONARY FRONT FROM 30N126W TO 22N130W TO 14N140W. COLD 
FRONT JUST NW OF AREA. WITHIN 30N134W TO 30N139W TO 28N140W TO 
28N136W TO 29N134W TO 30N134W SW TO W WINDS 30 TO 35 KT. SEAS 18
TO 24 FT IN NW SWELL. ELSEWHERE WITHIN 30N128W TO 30N134W TO 
30N140W TO 25N140W TO 25N134W TO 27N130W TO 30N128W SW WINDS 20 
TO 30 KT...EXCEPT W TO NW WINDS 20 TO 30 KT N OF 28N W OF 138W.
SEAS 15 TO 20 FT IN NW SWELL. WITHIN 30N122W TO 30N128W TO 
25N134W TO 25N140W TO 10N140W TO 15N131W TO 30N122W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST STATIONARY FRONT DISSIPATED. COLD FRONT FROM 
30N135W TO 26N140W. WITHIN 30N128W TO 30N134W TO 28N133W TO 
27N135W TO 27N131W TO 28N129W TO 30N128W SW TO W WINDS 20 TO 25 
KT. SEAS 11 TO 13 FT IN W TO NW SWELL. ELSEWHERE WITHIN 30N120W 
TO 27N131W TO 30N140W TO 04N140W TO 09N127W TO 19N120W TO 30N120W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 11 TO 
14 FT N OF 19N W OF 130W. 
.48 HOUR FORECAST COLD FRONT WEAKENING FROM 30N129W TO 25N134W 
TO 23N140W. WITHIN 23N116W TO 30N125W TO 30N140W TO 00N140W TO 
00N128W TO 12N116W TO 23N117W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW TO N SWELL.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
40 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 15N93W TO 16N94W TO 
16N96W TO 14N97W TO 12N97W TO 14N94W TO 15N93W N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 15N95W TO 
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 16N94W TO 12N101W TO 
09N101W TO 09N97W TO 12N93W TO 16N94W NE TO E WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT.
.48 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 40 KT. SEAS 9 TO 13 FT. 
ELSEWHERE WITHIN 15N94W TO 16N94W TO 16N95W TO 16N96W TO 14N96W 
TO 14N95W TO 15N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.36 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N87W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E 
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 0300 UTC SUN DEC 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 07N93W TO 06N99W. THE 
ITCZ EXTENDS FROM 06N99W TO LOW PRES NEAR 08N103W 1007 MB AND TO
06N113W TO 07N125W TO 08N133W AND TO 09N140W. NUMEROUS MODERATE 
TO STRONG WITHIN 120 NM S OF ITCZ BETWEEN 102W AND 106W. 
SCATTERED MODERATE FROM 06N TO 09N BETWEEN 84W AND 86W...WITHIN 
60 NM OF TROUGH BETWEEN 92W AND 95W AND WITHIN 30 NM OF ITCZ 
BETWEEN 106W AND 112W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.