000
FZPN03 KNHC 180911
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT FEB 18.
24 HOUR FORECAST VALID 0600 UTC SUN FEB 19.
48 HOUR FORECAST VALID 0600 UTC MON FEB 20.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N117W TO 22N120W TO 18N140W. N OF 25N W OF 
FRONT TO 130W W TO NW WINDS 30 TO 35 KT. SEAS 14 TO 26 
FT...HIGHEST NEAR 29N125W. ELSEWHERE W OF FRONT TO LINE FROM 
30N136W TO 27N135W TO 21N126W W TO NW WINDS 20 TO 30 KT. SEAS 10 
TO 19 FT IN NW SWELL...HIGHEST NEAR 29N132W. REMAINDER OF AREA W 
OF FRONT WINDS 20 KT OR LESS. SEAS 9 TO 15 FT IN NW SWELL. SE OF 
FRONT TO LINE 21N119W TO 27N113W TO 30N116W S TO SW WINDS 20 TO 
30 KT. SEAS 8 TO 13 FT IN NW SWELL. REMAINDER AREA NW OF LINE 
23N111W TO 07N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.
.06 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. 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...EXCEPT 12 TO 16 FT N OF 21N BETWEEN 132W AND 138W.
.24 HOUR FORECAST COLD FRONT FROM 24N107W TO 16N119W. N OF LINE 
FROM 25N113W TO 25N118W TO 30N123W NW WINDS 20 TO 25 KT. SEAS 16 
TO 20 FT IN NW SWELL. ELSEWHERE NW OF LINE FROM 22N110W TO 
14N123W TO 16N140W WINDS 20 KT OR LESS. SEAS 8 TO 16 FT IN NW 
SWELL...HIGHEST NEAR 25N121W.
.48 HOUR FORECAST FRONT MOVED E OF AREA. WITHIN AREA BOUNDED BY 
30N123W TO 30N116W TO 19N105W TO 07N125W TO 18N134W TO 30N123W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.

...GALE WARNING...
.GULF OF CALIFORNIA N OF 30N S WINDS 25 TO 35 KT. SEAS 8 TO 10 
FT. ELSEWHERE N OF 28N S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 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 
30 KT. SEAS TO 8 FT. N OF 30N S TO SW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.42 HOUR FORECAST COLD FRONT MOVED E OF AREA. GULF OF CALIFORNIA 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST. 

.30 HOUR FORECAST COLD FRONT NW OF AREA. NW OF A LINE FROM 
30N132W TO 27N140W SW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN NW 
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N135W TO 26N140W. W OF FRONT 
W WINDS 25 TO 30 KT. SEAS 12 TO 18 FT IN NW SWELL. SE OF FRONT 
TO A LINE FROM 30N128W TO 25N140W SW WINDS 20 TO 30 KT. SEAS 8 
TO 13 FT IN NW SWELL.

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

CONVECTION VALID AT 0900 UTC SAT FEB 18...

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.