000
FZPN03 KNHC 131520
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU DEC 13 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU DEC 13.
24 HOUR FORECAST VALID 1200 UTC FRI DEC 14.
48 HOUR FORECAST VALID 1200 UTC SAT DEC 15.

.WARNINGS.

...GALE WARNING...
.30 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 
95.5W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 15 NM OF LINE FROM 16N95W TO 
14.5N95W... INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W 
TO 13.5N95.5W N TO NE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 15N96W TO 
13.5N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
40 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 90 NM OF LINE FROM 
16N95W TO 14N95W TO 12N98W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
13 FT.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 09N133W TO 15N133W. FROM 15N TO 20N BETWEEN 128W 
AND 134W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE W OF 
LINE FROM 30N121W TO 23N129W TO 15N108W TO 05N90W TO 03.4S103W 
WINDS 20 KT OR LESS. S OF 20N SEAS 8 TO 12 FT IN MIXED NE AND NW 
SWELL. N OF 20N SEAS 8 TO 12 FT IN NW SWELL...HIGHEST NEAR 
30N137W.
.24 HOUR FORECAST TROUGH FROM 10N131W TO 17N129W. W OF LINE FROM 
15N131W TO 18N129W NE WINDS 20 TO 25 KT. SEAS 10 TO 11 FT. COLD 
FRONT FROM 30N136W TO 28N140W. N OF FRONT WINDS 20 KT OR LESS. 
SEAS 10 TO 16 FT IN NW SWELL...HIGHEST NW. ELSEWHERE W OF LINE 
FROM 30N116W TO 26N115W TO 13N127W TO 10N134W TO 00N130W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST TROUGH DISSIPATED. WEAKENING COLD FRONT FROM 
30N132W TO 28N134W TO 27N137W...THEN WEAKENING STATIONARY FRONT 
TO BEYOND 26N140W. N OF LINE FROM 19N112W TO 13N116W TO 00N139W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NW AND NE 
SWELL...HIGHEST NEAR 30N132W.

.12 HOUR FORECAST GULF OF CALIFORNIA BETWEEN 25N AND 27N NW 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST GULF OF CALIFORNIA BETWEEN 25N AND 29N NW 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST S OF LINE FROM 01S103W TO 01N110W TO 01S120W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST S OF 01S W OF 110W WINDS 20 KT OR LESS. SEAS 8 
FT PRIMARILY IN SW SWELL.

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

CONVECTION VALID AT 1445 UTC WED DEC 12...

.SCATTERED MODERATE FROM 10N TO 24N W OF 126W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N73W TO 07N91W TO 05N96W TO 05N102W. ITCZ 
CONTINUES FROM 05N102W TO 10N119W TO 09N133W...THEN RESUMES FROM 
07N136W TO BEYOND 07N140W. NUMEROUS MODERATE SCATTERED STRONG 
WITHIN 30 NM EITHER SIDE OF LINE FROM 05.5N77W TO 01.5N81W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM EITHER SIDE OF 
LINE FROM 05.5N92W TO 06N103W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.