000
FZPN03 KNHC 161606
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT DEC 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT DEC 16.
24 HOUR FORECAST VALID 1200 UTC SUN DEC 17.
48 HOUR FORECAST VALID 1200 UTC MON DEC 18.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N127W TO 20N132W...THEN STATIONARY
TO 13N140W. WITHIN 30N125W TO 30N140W TO 23N140W TO 27N126W 
TO 30N125W SW WINDS 20 TO 30 KT. SEAS 12 TO 22 FT. ELSEWHERE 
WITHIN 23N128W TO 27N126W TO 24N134W TO 23N140W TO 14N140W TO 
23N128W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.06 HOUR FORECAST COLD FRONT FROM 30N126W TO 19N132W...THEN 
STATIONARY TO 13N140W. WITHIN 30N137W TO 30N140W TO 29N140W TO
29N139W TO 30N137W SW TO W WINDS 30 TO 40 KT. SEAS 20 TO 25 FT. 
ELSEWHERE WITHIN 30N128W TO 30N137W TO 29N140W TO 27N140W TO
25N133W TO 30N128W SW WINDS 20 TO 30 KT. SEAS 12 TO 20 FT. 
REMAINDER OF AREA WITHIN 30N125W TO 30N128W TO 26N132W TO 26N140W 
TO 12N140W TO 18N132W TO 30N125W WINDS 20 KT OR LESS. SEAS 8
TO 12 FT IN NW SWELL.
.18 HOUR FORECAST FIRST COLD FRONT TO WEAKEN AND DISSIPATE. NEW 
COLD FRONT FROM 30N137W TO 26N140W. WITHIN 30N127W TO 30N140W TO 
27N140W TO 26N138W TO 27N131W TO 30N127W SW WINDS 20 TO 30 KT. SEAS 
15 TO 21 FT. ELSEWHERE WITHIN 28N124W TO 26N140W TO 10N140W TO
15N131W TO 20N127W TO 28N124W WINDS 20 KT OR LESS. SEAS 8
TO 15 FT IN NW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N133W TO 25N140W.
WITHIN 25N117W TO 30N123W TO 30N140W TO 03N140W TO 11N122W TO 
25N117W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.

...GALE WARNING...
.WITHIN 16N94W TO 16N96W TO 14N96W TO 13N95W TO 14N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.09 HOUR FORECAST WITHIN 16N95W TO 16N95.5W TO 15.5N95.5W TO
15N95W TO 15.5N94.5W TO 16N95W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE 
WITHIN 16N94W TO 16N95W TO 15N97W TO 12N96W TO 13N94W TO
16N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 14 FT.
ELSEWHERE WITHIN 15N94W TO 15N96W TO 12N100W TO 11N98W TO 11N95W 
TO 13N93W TO 15N94W NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35
KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 15N94W TO 15N96W TO 13N97W TO
12N97W TO 12N96W TO 13N94W TO 15N94W N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 9 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST WITHIN 12N86W TO 11N88W TO 10N88W TO 10N86W TO
11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1530 UTC SAT DEC 16...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 05N105W. ITCZ FROM 05N105W TO 08N140W. 
SCATTERED MODERATE WITHIN 120 NM EITHER SIDE OF THE BOUNDARIES AND 
E OF 112W. 

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.