000
FZPN03 KNHC 230850
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT DEC 23 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT DEC 23.
24 HOUR FORECAST VALID 0600 UTC SUN DEC 24.
48 HOUR FORECAST VALID 0600 UTC MON DEC 25.

.WARNINGS.

...GALE WARNING...

.LOW PRES W OF AREA NEAR 27N142W 1008 MB. FROM 24N TO 29N W OF 
137W SE WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE N OF 19N W 
OF 135W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 
.06 HOUR FORECAST LOW PRES NEAR 29N141W 1008 MB. WITHIN 175 NM E 
QUADRANT OF LOW SE TO S WINDS 30 TO 35 KT. SEAS 11 TO 15 FT. 
ELSEWHERE N OF 24N AND W OF 136W SE TO S WINDS 20 TO 30 KT. SEAS 
8 TO 12 FT. REMAINDER OF AREA N OF 21N AND W OF 133W WINDS 20 KT 
OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.18 HOUR FORECAST COLD FRONT FROM LOW PRES JUST N OF AREA NEAR 
30.5N138W 1008 MB TO 28N139W TO 25N140W. OVER FORECAST WATERS 
WITHIN 225 NM SE QUADRANT OF LOW S WINDS 20 TO 25 KT. SEAS 9 TO 
13 FT. ELSEWHERE N OF 24N AND W OF 133W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST COLD FRONT FROM LOW PRES N OF AREA NEAR 
31N137W 1008 MB TO 28N137W TO 26N140W. OVER FORECAST WATERS 
WITHIN 210 NM SE QUADRANT OF LOW S WINDS 20 TO 25 KT. SEAS 9 TO 
12 FT. ELSEWHERE N OF 25N AND W OF 133W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN MIXED SWELL. 
.36 HOUR FORECAST LOW N OF AREA. WEAKENING COLD FRONT FROM 
30N136W TO 28N138W...THEN WEAKENING STATIONARY FRONT TO 25N140W. 
W OF LINE FROM 30N131W TO 22N140W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

...GALE WARNING...

.12 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 
14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 30 KT. SEAS 8 TO 9 FT.
.18 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 
16N95W TO 15N95W TO 14N95.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 
TO 10 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N95W TO 
12.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W
...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 35 
KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W 
TO 14.5N95W TO 14N96W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. REMAINDER OF AREA N OF 13N BETWEEN 94W AND 97W WINDS 20 KT 
OR LESS. SEAS TO 9 FT IN MIXED SWELL. 

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA FROM 22N TO 28N NW TO N WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST FROM 10N TO 11.5N E OF 87W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 87.5W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST FROM 10N TO 11.5N E OF 87.5W...INCLUDING THE 
GULF OF PAPAGAYO...NE 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 0830 UTC SAT DEC 23...

.SURFACE TROUGH FROM 15N114W TO 09N115W...SCATTERED MODERATE 
FROM 10N TO 17N BETWEEN 108W AND 114W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

SURFACE TROUGH FROM 07N78W TO 07N110W. ITCZ CONTINUES FROM 
09N120W TO 09N140W. SCATTERED MODERATE FROM 07N TO 11N 
AND W OF 131W. 

$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.