000
FZPN03 KNHC 200327
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT JAN 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT JAN 20.
24 HOUR FORECAST VALID 0000 UTC SUN JAN 21.
48 HOUR FORECAST VALID 0000 UTC MON JAN 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W...INCLUDING GULF 
OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
ELSEWHERE S OF 14N 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 11N 
BETWEEN 91W AND 100W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE 
AND NW SWELL. 
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WEAKENING COLD FRONT FROM 30N119W TO 23N130W TO 21N140W. NW OF 
FRONT AND S OF FRONT TO 11N W OF 133W N TO NE WINDS 20 TO 25 KT. 
SEAS 11 TO 15 FT. N OF 25N BETWEEN 116W AND 119W WINDS 20 KT OR 
LESS. SEAS 11 TO 13 FT IN NW SWELL. ELSEWHERE N OF 06N W OF 110W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 26N111W TO 
18N127W. FROM 11N TO 24N W OF 118W NE WINDS 20 TO 25 KT. SEAS 10 
TO 14 FT. ELSEWHERE OVER OPEN WATERS W OF 100W WINDS 20 KT OR 
LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. FROM 10N TO 22N W OF 
117W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE W OF 
LINE FROM 30N116W TO 15N104W TO 07N96W TO 03N100W 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.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 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 DISSIPATING COLD FRONT FROM 26N111W TO 
25N112W. N OF 30N NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.30 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST S OF 29N NW TO N WINDS 20 TO 25 KT. SEAS TO 8 
FT. 

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

CONVECTION VALID AT 0215 UTC SAT JAN 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N75W TO 09N84W TO 05N92W. ITCZ FROM 05N92W 
TO 07N105W TO 08N119W...THEN RESUMES W OF TROUGH NEAR 07N125W TO 
BEYOND 07N140W. SCATTERED MODERATE FROM 07N TO 14N BETWEEN 113W 
AND 131W.  

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.