000
FZPN03 KNHC 180317
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC SAT FEB 18 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 18.
24 HOUR FORECAST VALID 0000 UTC SUN FEB 19.
48 HOUR FORECAST VALID 0000 UTC MON FEB 20.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N120W TO 20N130W TO 19N140W. N OF 25N W OF 
FRONT TO LINE FROM 30N135W TO 25N130W W TO NW WINDS 30 TO 40 KT. 
SEAS 18 TO 24 FT. ELSEWHERE W OF FRONT TO LINE FROM 30N136W TO 
22N130W W TO NW WINDS 20 TO 30 KT. SEAS 10 TO 18 FT. REMAINDER 
OF AREA W OF FRONT WINDS 20 KT OR LESS. SEAS 10 TO 16 FT IN NW 
SWELL. N OF 26N WITHIN 90 NM SE OF FRONT SW WINDS 30 TO 35 KT. 
SEAS 11 TO 15 FT. ELSEWHERE N OF 22N E OF FRONT TO LINE FROM 
30N116W TO 22N118W SW WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. 
REMAINDER AREA W OF LINE FROM 30N116W TO 24N112W TO 03N130W TO 
03N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.12 HOUR FORECAST COLD FRONT FROM 30N113W TO 26N114W TO 19N124W 
THEN DISSIPATING FRONT TO 17N140W. NW OF FRONT TO A LINE FROM 
30N132W TO 24N130W TO 20N121W W TO NW WINDS 20 TO 30 KT WITH 
FREQUENT GUSTS TO GALE FORCE. SEAS 12 TO 23 FT IN NW SWELL. N OF 
20.5N E OF FRONT TO A LINE FROM 26N112W TO 20.5N115W SW WINDS 20 
TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE W OF 110W AND N OF A LINE 
FROM 20N110W TO 08N120W TO 05N140W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN NW SWELL...EXCEP 12 TO 16 FT N OF 21N BETWEEN 132W 
AND 138W.
.24 HOUR FORECAST COLD FRONT FROM 30N108W TO 25N109W TO 16N123W. 
NW OF FRONT TO A LINE FROM 30N125W TO 20N114W W TO NW WINDS 20 
TO 30 KT. SEAS 12 TO 21 FT. ELSEWHERE W OF 110W AND N OF A LINE 
FROM 13N110W TO 05N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
NW SWELL...EXCEPT 12 TO 17 FT N OF 18N E OF 134W.
.48 HOUR FORECAST FRONT MOVED E OF AREA. FROM 18N TO 27N BETWEEN 
110W AND 120W WINDS 20 KT OR LESS. SEAS 11 TO 13 FT IN NW SWELL. 
REMAINDER OF AREA W OF A LINE FROM 23N110W TO 20N106W TO 08N120W 
TO 10N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

...GALE WARNING...
.GULF OF CALIFORNIA N OF 30N S WINDS 25 TO 35 KT. SEAS BUILDING 
TO 10 FT. ELSEWHERE N OF 26N SE TO S WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 30N113W TO 26N114W TO 19N124W 
THEN DISSIPATING FRONT TO 17N140W. GULF OF CALIFORNIA N OF 26N S 
WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE N OF 29N. 
SEAS 8 TO 9 FT. 
.24 HOUR FORECAST COLD FRONT FROM 30N108W TO 25N109W TO 16N123W. 
GULF OF CALIFORNIA WITHIN 90 NM SE OF FRONT S TO SW WINDS 20 TO 
25 KT. SEAS TO 8 FT. N OF 30N S TO SW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT MOVED E OF AREA. GULF OF CALIFORNIA 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST. 

.24 HOUR FORECAST NW OF A LINE FROM 30N136W TO 29N140W SW WINDS 
20 TO 25 KT. SEAS TO 10 FT.
.36 HOUR FORECAST COLD FRONT NW OF AREA. EXCEPT AS NOTED ABOVE 
WITH COLD FRONT...NW OF A LINE FROM 30N132W TO 27N140W SW WINDS 
20 TO 25 KT. SEAS 9 TO 12 IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N138W TO 27N140W. W OF FRONT 
W WINDS 25 TO 30 KT. SEAS 12 TO 17 FT. E OF FRONT TO A LINE FROM 
30N120W TO 25N140W SW WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.

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

CONVECTION VALID AT 0300 UTC SAT FEB 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 
THE ITCZ AND ASSOCIATED CONVECTION IS LOCATED S OF THE AREA. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.