000
FZPN03 KNHC 202114
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC TUE FEB 20.
24 HOUR FORECAST VALID 1800 UTC WED FEB 21.
48 HOUR FORECAST VALID 1800 UTC THU FEB 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 24.5N111.5W TO 23.5N112.5W...THEN WEAKENING 
COLD FRONT TO 22N116W. W OF LINE FROM 20N126W TO 27N140W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF 26.5N BETWEEN 118W AND 
131W WINDS 20 KT OR LESS. SEAS 10 TO 14 FT IN NW TO N SWELL. 
ELSEWHERE N OF LINE FROM 25N115W TO 21N123W TO 16N124W TO 
09N140W WINDS 20 KT OR LESS. N OF 20N SEAS 8 TO 11 FT PRIMARILY 
IN NW SWELL. S OF 20N SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL. 
.24 HOUR FORECAST FRONTS DISSIPATED. W OF LINE FROM 16N126W TO 
20N126W TO 25N140W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. 
ELSEWHERE N OF LINE FROM 20N113W TO 12N124W TO 10N140W WINDS 20 
KT OR LESS. N OF 20N SEAS 8 TO 11 FT IN NW TO N SWELL. S OF 20N 
SEAS 8 TO 11 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST W OF LINE FROM 24N140W TO 18N114W TO 13N128W 
NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF LINE 
FROM 28N140W TO 18N111W TO 10N111W TO 08N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL.
 
.WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO 
10.5N88W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 
25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10.5N88.5W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 
20 TO 25 KT. SEAS TO 9 FT. FROM 08.5N TO 12N BETWEEN 88.5W AND 
93W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED E AND SW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2045 UTC TUE FEB 20... 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 08N74W TO 06N82W TO 07N91W TO 05N101W. ITCZ 
CONTINUES FROM 05N101W TO 03N117W TO 06N136W TO BEYOND 05N140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 07N TO 11N BETWEEN 128W 
AND 140W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.