000
FZPN03 KNHC 192117
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON FEB 19.
24 HOUR FORECAST VALID 1800 UTC TUE FEB 20.
48 HOUR FORECAST VALID 1800 UTC WED FEB 21.

.WARNINGS.

...GALE WARNING...
.GULF OF CALIFORNIA COLD FRONT FROM 31N113W TO 29N115W TO 
25N125W. S OF FRONT TO 29N SW TO W WINDS 20 TO 30 KT. SEAS LESS 
THAN 8 FT.
.GULF OF CALIFORNIA 06 HOUR FORECAST COLD FRONT FROM 31N112.5W 
TO 26N115W TO 23N125W. S OF FRONT TO 29N SW TO W WINDS 25 TO 35 
KT. SEAS TO 8 FT. N OF FRONT NW WINDS 20 TO 30 KT. SEAS LESS 
THAN 8 FT. 
.GULF OF CALIFORNIA 12 HOUR FORECAST COLD FRONT FROM 31N112W TO 
26N112W TO 22N125W. GULF OF CALIFORNIA N OF FRONT NW TO N WINDS 
20 TO 30 KT. SEAS TO 8 FT. 
.GULF OF CALIFORNIA 24 HOUR FORECAST WEAKENING COLD FRONT FROM 
28N110W TO 21N125W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 31N113W TO 29N115W TO 25N125W. N OF FRONT NW TO 
N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 25N W OF 
125W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 13N TO 18N W 
OF 130W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 28N110W TO 21N125W.
FROM 13N TO 28N W OF 130W...AND FROM 14N TO 22N BETWEEN 120W AND 
130W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE W OF 
A LINE FROM 27N115W TO 23N116W TO 20N118W TO 17N122W TO 08N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NW AND NE SWELL... 
EXCEPT 12 TO 14 FT IN NW SWELL N OF 26N BETWEEN 117W AND 131W.
.48 HOUR FORECAST FRONT DISSIPATED. N OF 12N TO A LINE FROM 
23N130W TO 27N140W...AND N OF 14N TO A LINE FROM 14N118W TO 
23N130W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN MIXED NE 
AND NW SWELL. ELSEWHERE W OF LINE FROM 30N118W TO 20N112W TO 
14N120W TO 10N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED 
NE AND NW SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10N89W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.12 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS 8 FT. 
.18 HOUR FORECAST FROM 10N TO 12N E OF 90W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. 
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 91...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.36 HOUR FORECAST FROM 10N TO 12N E OF 90W...INCLUDING THE GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST FROM 09.5 TO 11.5N BETWEEN 86W AND 93W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 FT.

.06 HOUR FORECAST N OF 06N BETWEEN 79W AND 81W...INCLUDING THE W 
GULF OF PANAMA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.18 HOUR FORECAST N OF 05N BETWEEN 79.5W AND 81W...INCLUDING THE 
W GULF OF PANAMA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST N OF 06N BETWEEN 79W AND 81W...INCLUDING THE W 
GULF OF PANAMA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 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 1800 UTC MON FEB 19... 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS SW FROM 06N77W TO 07N90W TO 03N100W. 
THE ITCZ CONTINUES FROM 03N100W TO 06N120W TO 07N130W TO 
07N140W. NO SIGNIFICANT CONVECTION IS NOTED.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.