000
FZPN03 KNHC 070900
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN JAN 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN JAN 07.
24 HOUR FORECAST VALID 0600 UTC MON JAN 08.
48 HOUR FORECAST VALID 0600 UTC TUE JAN 09.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W TO 
14N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 
KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF LINE 
FROM 16N95W TO 14N96W TO 13N97W N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 11 FT. REMAINDER OF AREA BOUNDED BY 16N95W TO 15N93W TO 
09N96W TO 10N101W TO 12N100W TO 16N95W WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT. ELSEWHERE AREA BOUNDED BY 16N95W TO 
11N94W TO 09N103W TO 11N103W TO 16N95W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN N TO NE SWELL.
.30 HOUR FORECAST FROM 08N TO 11N BETWEEN 100W AND 104W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN NE SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
40 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF 
LINE FROM 16N95W TO 14N96W TO 13N96W N TO NE WINDS 20 TO 30 KT. 
SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 29N131.5W 1010 MB. COLD FRONT FROM LOW TO 30N130W 
TO 23N130W TO 19N132W. ANOTHER LOW PRES 1009 MB NEAR 15N132W. 
TROUGH FROM 20N129W TO LOW NEAR 15N132W TO 12N135W. WITHIN 240 
NM NW QUADRANT OF LOW NEAR 29N131.5W WINDS 20 TO 25 KT. SEAS 10 
TO 11 FT. FROM 19N TO 25N BETWEEN 125W AND 130W E TO SE WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA W OF LINE FROM 
30N125W TO 21N125W TO 16N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 30N131W 1011 MB. TROUGH FROM LOW 
TO 26N132W. W OF LINE FROM 30N130W TO 22N125W TO 18N140W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NW SWELL.
.36 HOUR FORECAST LOW DISSIPATED. NEW COLD FRONT FROM 30N128W TO 
28N129W TO 26N140W. N OF FRONT N WINDS 20 TO 25 KT. SEAS 10 TO 
11 FT. REMAINDER OF AREA W OF LINE FROM 30N125W TO 18N135W TO 
16N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW 
SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 30N122W TO 23N130W. N OF 27N 
BETWEEN 123W AND 132W NW WINDS 20 TO 25 KT. SEAS 10 TO 13 FT. 
ELSEWHERE W OF LINE FROM 30N122W TO 16N134W TO 15N140W WINDS 20 
KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO 
09.5N88W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.12 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 09N88W TO 08N90W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 
20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST 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 0845 UTC SUN JAN 7...

.LOW PRES NEAR 29N131.5W 1010 MB. COLD FRONT FROM LOW TO 30N130W 
TO 23N130W TO 19N132W. ANOTHER LOW PRES 1009 MB NEAR 15N132W. 
TROUGH FROM 20N129W TO LOW NEAR 15N132W TO 12N135W. SCATTERED 
MODERATE ISOLATED STRONG FROM 15N TO 30N BETWEEN 125W AND 130W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 06N77W TO 05N97W. ITCZ CONTINUES FROM 05N97W 
TO 10N130W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.