000
FZPN03 KNHC 102059
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED JAN 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED JAN 10.
24 HOUR FORECAST VALID 1800 UTC THU JAN 11.
48 HOUR FORECAST VALID 1800 UTC FRI JAN 12.

.WARNINGS.

...GALE WARNING...
.42 HOUR FORECAST WITHIN 15 NM OF LINE FROM 16N95W TO 
15N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT. 
SEAS TO 8 FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 16N95W TO 
14.5N95W N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 14.5N95W 
TO 13.5N96W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 45 
KT. SEAS 12 TO 17 FT. ELSEWHERE WITHIN 90 NM OF LINE FROM 16N95W 
TO 14.5N95W TO 12.5N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 24.5N112W TO 21.5N115.5W...THEN WEAKENING COLD 
FRONT TO 17N124W. FROM 15N TO 18N BETWEEN 128W AND 135W NE WINDS 
20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE N OF LINE FROM 25N114W 
TO 17N122W TO 12N133W TO 10N140W AND E OF LINE FROM 30N133W TO 
25N140W TO 10N140W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NW 
SWELL...HIGHEST NEAR 30N118W.
.24 HOUR FORECAST FRONT DISSIPATED. N OF LINE FROM 18N111W TO 
12N128W TO 10N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.
.48 HOUR FORECAST FRONT N OF LINE FROM 23N115W TO 15N116W TO 
08N127W TO 09N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.

.24 HOUR FORECAST GULF OF CALIFORNIA S OF 27N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA S OF 29N NW WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA BETWEEN 25N AND 28N NW 
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 2030 UTC WED JAN 10...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N83W TO 08N86W TO 06N89W TO 05N93W. ITCZ 
CONTINUES FROM 05N93W TO 07N122W TO BEYOND 08N140W. SCATTERED 
MODERATE FROM 05N TO 08N BETWEEN 81W AND 87W AND FROM 12N TO 16N 
BETWEEN 129W AND 138W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.