000
FZPN03 KNHC 192120
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI JAN 19.
24 HOUR FORECAST VALID 1800 UTC SAT JAN 20.
48 HOUR FORECAST VALID 1800 UTC SUN JAN 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND 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. ELSEWHERE S OF 15N BETWEEN 90W AND 110W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL. 
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W 
AND 95.5W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 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.

.WEAKENING COLD FRONT FROM 30N121W TO 22N140W. NW OF FRONT N TO 
NE WINDS 20 TO 25 KT. SEAS 13 TO 14 FT. N OF 25N BETWEEN 116W 
AND 121W WINDS 20 KT OR LESS. SEAS 11 TO 13 FT IN NW SWELL. 
REMAINDER OPEN WATERS W OF 110W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT IN MIXED SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 27N114W TO 
20N130W. FROM 10N TO 25N W OF 125W NE TO E WINDS 20 TO 25 KT. 
SEAS 9 TO 14 FT. N OF 25N BETWEEN 119W AND 133W WINDS 20 KT OR 
LESS. SEAS 12 TO 13 FT IN NW SWELL. REMAINDER AREA S OF LINE 
30N140W TO 30N116W TO 12N100W 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 
120W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE S OF 
LINE FROM 30N140W TO 30N116W TO 12N100W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10N87.5W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 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 30.5N113W 
TO 30N115W. WITHIN 30 NM S OF FRONT SW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT. N OF FRONT NW WINDS 20 TO 25 KT. SEAS 8 FT OR 
LESS. 
.36 HOUR FORECAST DISSIPATING COLD FRONT FROM 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 2100 UTC FRI JAN 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 07N77W TO 06N96W. ITCZ FROM 06N96W TO 
06N112W TO 09N121W TO BEYOND 07N140W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 60 NM N OF ITCZ BETWEEN 108W AND 112W. 
SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 12N BETWEEN 118W 
AND 132W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.