000
FZPN03 KNHC 162123
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC THU FEB 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU FEB 16.
24 HOUR FORECAST VALID 1800 UTC FRI FEB 17.
48 HOUR FORECAST VALID 1800 UTC SAT FEB 18.

.WARNINGS.

...GALE WARNING...
.STATIONARY FRONT FROM 30N130W TO 27N140W. WITHIN 60 NM SE OF 
FRONT SW WINDS 20 TO 25 KT. SEAS 13 TO 14 FT. NW OF FRONT WINDS 
20 KT OR LESS. SEAS 13 TO 15 FT IN NW SWELL. ELSEWHERE W OF LINE 
FROM 30N120W TO 08N130W TO 04N140W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT PRIMARILY IN NW SWELL.
.06 HOUR FORECAST STATIONARY FRONT FROM 30N130W TO 26N140W AND 
NEW COLD FRONT FROM 30N138W TO 28N140W. WITHIN 150 NM SE OF 
STATIONARY FRONT SW WINDS 20 TO 25 KT. SEAS 11 TO 13 FT. NW OF 
COLD FRONT W WINDS 20 TO 30 KT. SEAS 13 TO 16 FT. ELSEWHERE W OF 
LINE FROM 30N117W TO 07N130W TO 04N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT PRIMARILY IN NW SWELL.
.18 HOUR FORECAST NEWLY MERGED COLD FRONT FROM 30N128W TO 
22N140W. N OF 27N W OF FRONT TO 138W NW WINDS 30 TO 40 KT. SEAS 
18 TO 23 FT. ELSEWHERE W OF FRONT W TO NW WINDS 20 TO 30 KT. 
SEAS 12 TO 20 FT IN NW SWELL. N OF 27N WITHIN 90 NM SE OF FRONT 
SW WINDS 30 TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE N OF 24N E OF 
FRONT TO A LINE FROM 30N120W TO 24N126W SW WINDS 20 TO 30 KT. 
SEAS 10 TO 12 FT. REMAINDER OF AREA W OF LINE FROM 30N116W TO 
25N115W TO 05N130W TO 02N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT PRIMARILY IN NW SWELL. 
.24 HOUR FORECAST COLD FRONT FROM 30N124W TO 21N140W. N OF 26N W 
OF FRONT TO 135W NW WINDS 30 TO 40 KT. SEAS 18 TO 25 FT. 
ELSEWHERE W OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS 12 TO 20 FT 
IN NW SWELL. N OF 27N WITHIN 90 NM SE OF FRONT SW WINDS 30 TO 35 
KT. SEAS 12 TO 15 FT. ELSEWHERE N OF 23N E OF FRONT TO A LINE 
FROM 30N118W TO 23N124W SW WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA W OF LINE FROM 30N116W TO 24N114W TO 04N130W 
TO 02N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW 
SWELL.  
.48 HOUR FORECAST COLD FRONT FROM 30N114W TO 24N112W TO 19N118W. 
OVER FORECAST WATERS N OF 22N W OF FRONT TO 128W W TO NW WINDS 
20 TO 30 KT. SEAS 12 TO 22 FT IN NW SWELL. WITHIN 120 NM SE OF 
FRONT SW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE N OF 20N 
W OF 110W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL... 
EXCEPT 12 TO 18 FT E OF A LINE FROM 30N135W TO 20N132W. S OF 20N 
W OF 110W TO A LINE FROM 15N110W TO 05N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW SWELL. 

...GULF OF CALIFORNIA GALE WARNING...
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 30N S TO SW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA N OF 29N S WINDS 20 TO 30 
KT WITH FREQUENT GUST TO GALE FORCE. SEAS BUILDING TO 9 FT. 
.42 HOUR FORECAST GULF OF CALIFORNIA N OF 27N S WINDS 20 TO 30 
KT WITH FREQUENT GUST TO GALE FORCE. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST GULF OF CALIFORNIA S OF 28N S WINDS 20 TO 30 
KT WITH FREQUENT GUST TO GALE FORCE. SEAS 8 FT. 

.SYNOPSIS AND FORECAST. 

.N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 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 1530 UTC THU FEB 16...

.TROUGH FROM 14N108W TO 08N112W...ISOLATED WITHIN ABOUT 
150 NM EITHER SIDE OF AXIS. 

.TROUGH FROM 05N89W TO 1012 MB LOW PRES NEAR 03N97W TO 03N99W. 
87W...SCATTERED MODERATE WITHIN 90 NM N OF TROUGH BETWEEN 92W 
AND 98W. SIMILAR CONVECTION IS WITHIN 75 NM S OF TROUGH BETWEEN 
92W AND 94W.  

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.