000
FZPN03 KNHC 082105
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON JAN 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON JAN 08.
24 HOUR FORECAST VALID 1800 UTC TUE JAN 09.
48 HOUR FORECAST VALID 1800 UTC WED JAN 10.

.WARNINGS.

...GALE WARNING...
.06 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
30 KT. SEAS BUILDING TO 8 FT.
.09 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF 
LINE FROM 16N95W TO 13.5N95W N TO NE WINDS 20 TO 30 KT. SEAS TO 
9 FT.
.24 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 11 TO 15 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE 
OF LINE FROM 16N95W TO 14.5N95.5W TO 12.5N96.5W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT.
.36 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W TO 14N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FROM 10N TO 14N BETWEEN 94W 
AND 98W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N132W TO 26N140W. TROUGH FROM 30N125W TO 
25N124W TO 17N128W. N OF 28N BETWEEN 130W AND 135W NW WINDS 20 
TO 25 KT. SEAS 10 TO 11 FT. ELSEWHERE W OF LINE FROM 30N126W TO 
21N131W TO 17N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N119W TO 24N125W...THEN 
WEAKENING COLD FRONT TO 20N130W. TROUGH FROM 30N119W TO 26N119W 
TO 20N123W. W OF FRONT AND N OF 28N TO 130W NW WINDS 20 TO 25 
KT. SEAS 9 TO 14 FT. ELSEWHERE W OF LINE FROM 30N118W TO 17N136W 
TO 16N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 25.5N112W TO 
18N121W. N OF LINE FROM 26N116W TO 13N132W TO 15N140W AND E OF 
LINE FROM 30N135W TO 25N140W TO 15N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 14 FT IN NW SWELL...HIGHEST NEAR 30N121W.

.24 HOUR FORECAST COLD FRONT APPROACH 32N115W. GULF OF 
CALIFORNIA N OF 30N S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.36 HOUR FORECAST COLD FRONT FROM 31.5N113.5W TO 30N114.5W. GULF 
OF CALIFORNIA S OF FRONT TO 29N SW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 25.5N109.5W TO 
24.5N110.5W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2030 UTC MON JAN 08...

.TROUGH FROM 07N124W TO 13N123W. SCATTERED MODERATE ISOLATED 
STRONG FROM 07N TO 12N BETWEEN 120W AND 125W.

.TROUGH FROM 17N128W TO 25N124W TO 30N125W. SCATTERED MODERATE 
ISOLATED STRONG FROM 14N TO 20N BETWEEN 123W AND 127W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N82W TO 05N93W. ITCZ CONTINUES FROM 05N93W 
TO 07N112W TO 08N121W. ITCZ RESUMES FROM 11N131W TO BEYOND 
09N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 08N 
BETWEEN 81W AND 89W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.