000
FZPN03 KNHC 201008
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU DEC 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU DEC 20.
24 HOUR FORECAST VALID 0600 UTC FRI DEC 21.
48 HOUR FORECAST VALID 0600 UTC SAT DEC 22.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST N OF 14N BETWEEN 95W AND 96W...INCLUDING GULF
OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.21 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W TO
15N96W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT.
SEAS TO 8 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF LINE FROM
16N95W TO 14N95W N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14N96W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT.
SEAS 8 TO 12 FT. ELSEWHERE WITHIN 75 NM EITHER SIDE OF LINE FROM
16N95W TO 13.5N96.5W N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 8
FT.
.48 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W TO
14N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT.
SEAS 10 TO 13 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF LINE 
FROM 16N95W TO 13N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
REMAINDER OF AREA FROM 08N TO 15N BETWEEN 93W AND 103W WINDS 20
KT OR LESS. SEAS 8 TO 12 FT PRIMARILY NE SWELL. 

...GALE WARNING...
.36 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO
10N87W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST FROM 10.5N TO 11.5N E OF 87W...INCLUDING GULF
OF PAPAGAYO...NE TO E WINDS 30 TO 35 KT. SEAS 8 TO 10 FT.
ELSEWHERE WITHIN 90 NM EITHER SIDE OF LINE FROM 11N86W TO
08N90W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS
8 TO 10 FT. 

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA FROM 24N TO 29N NW WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.COLD FRONT FROM 30N140W TO 29N140W. NW OF LINE FROM 30N123W TO
17N140W WINDS 20 KT OR LESS. SEAS 12 TO 14 FT IN NW SWELL.
ELSEWHERE IN OPEN WATERS W OF 98W WINDS 20 KT OR LESS. SEAS 8 TO
12 FT IN NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N132W TO 26N140W.
FROM 10N TO 15N W OF 135W NE WINDS 20 TO 25 KT. SEAS TO 12 FT.
ELSEWHERE IN OPEN WATERS W OF LINE FROM 23N110W TO 03.4S92W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. FROM 10N TO 15N W OF 135W NE
WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE S OF 25N W OF 105W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL. N OF
28N E OF 135W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

.48 HOUR FORECAST N OF 05N BETWEEN 79W AND 82W...INCLUDING GULF
OF PANAMA...N 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 0900 UTC THU DEC 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N84W TO 05N95W TO 05N100W. ITCZ FROM 
05N100W TO 08N140W. SCATTERED MODERATE WITHIN 120 NM EITHER SIDE
OF ITCZ W OF 135W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.