000
FZPN03 KNHC 191501
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI JAN 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI JAN 19.
24 HOUR FORECAST VALID 1200 UTC SAT JAN 20.
48 HOUR FORECAST VALID 1200 UTC SUN JAN 21.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W...INCLUDING GULF 
OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 15 FT. 
ELSEWHERE WITHIN 75 NM OF LINE FROM 16N95W TO 14N95W TO 12N96.5W 
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. REMAINDER AREA S OF 
15N BETWEEN 90W AND 110W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN 
MIXED NE AND NW SWELL. 
.06 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95W 
TO 13N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14N BETWEEN 94.5W AND 
95.5W N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT. S OF 12N BETWEEN 
90W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND 
NW SWELL. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.WEAKENING COLD FRONT FROM 30N124W TO 23N140W. N OF FRONT W OF 
130W N TO NE WINDS 20 TO 25 KT. SEAS 13 TO 14 FT. ELSEWHERE N OF 
25N W OF 116W WINDS 20 KT OR LESS. SEAS 11 TO 13 FT IN NW SWELL. 
REMAINDER AREA W OF 110W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 29N115W TO 21N127W 
AND SHEAR LINE TO 20N140W. NW OF FRONT TO 123W NW TO N WINDS 20 
TO 25 KT. SEAS 10 TO 13 FT. FROM 10N TO 27N W OF 125W NE TO E 
WINDS 20 TO 25 KT. SEAS 9 TO 15 FT. ELSEWHERE S OF LINE 30N140W 
TO 30N116W TO 14N100W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. FROM 10N TO 22N W OF 
125W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE S OF 
LINE FROM 30N140W TO 30N116W TO 13N100W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 09N88W...INCLUDING GULF OF 
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT FROM 31.5N114W 
TO 30N115W. WITHIN 45 NM SE OF FRONT S TO SW WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT FROM 31N113W TO 
30N115W. WITHIN 30 NM S OF FRONT SW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.42 HOUR FORECAST DISSIPATING COLD FRONT 25N109W TO 24N111W. 
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 1500 UTC FRI JAN 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N77W TO 06N104W. ITCZ FROM 06N104W TO 
07N120W TO BEYOND 06N140W. SCATTERED MODERATE FROM 05N TO 08N 
BETWEEN 91W AND 102W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
30 NM N OF ITCZ BETWEEN 105W AND 110W. SCATTERED MODERATE 
ISOLATED STRONG FROM 05N TO 10N BETWEEN 119W AND 125W. SCATTERED 
MODERATE ISOLATED STRONG FROM 08N TO 11N BETWEEN 125W AND 132W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.