000
FZPN03 KNHC 172147
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT DEC 17 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT DEC 17.
24 HOUR FORECAST VALID 1800 UTC SUN DEC 18.
48 HOUR FORECAST VALID 1800 UTC MON DEC 19.

.WARNINGS.

...GALE WARNING...
.36 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94W AND
95.5W N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16.5N95W TO
14N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT.
SEAS TO 16 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO
14.5N95W TO 13.5N95.5W N TO NE WINDS 20 TO 30 KT. SEAS 10 FT. 

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA COLD FRONT FROM 28N108.5W TO 25N112W. N
OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT N OF 29.5N.
.24 HOUR FORECAST COLD FRONT SE OF AREA. GULF OF CALIFORNIA N
OF 28N NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 27N NW TO N WINDS 20
TO 30 KT. SEAS TO 9 FT. 

.DISSIPATING COLD FRONT FROM 25N112W TO 23N130W. N OF FRONT TO
27N E OF 130W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE
N OF LINE FROM 23N140W TO 25N127W TO 29N117W TO 29N114.5W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 21N110W TO
20.5N140W. WITHIN 120 NM N OF FRONT BETWEEN 119W AND 127W...AND
N OF FRONT TO 26N W OF 127W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
10 FT IN MIXED NW AND NE SWELL. N OF 27.5N BETWEEN 120W AND 129W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. CONDITIONS TO MERGE WITH
TRADE WIND ZONE BELOW. 

.FROM 09N TO 17N W OF 129W NE TO E WINDS 20 TO 25 KT. SEAS TO 9
FT.
.24 HOUR FORECAST FROM 08N TO 20N W OF 126W NE WINDS 20 TO 25
KT. SEAS TO 11 FT. ELSEWHERE EXCEPT AS MENTIONED ABOVE...S OF
21N W OF 123W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NE AND
NW SWELL.
.48 HOUR FORECAST FROM 07N TO 25 W OF 130W...AND FROM 14N TO 18N
BETWEEN 117W AND 130W...NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 13
FT. ELSEWHERE N OF LINE FROM 03.5N140W TO 08N130W TO 17N116W TO
30N122W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW
SWELL.  

.12 HOUR FORECAST FROM 10N TO 12N E OF 87W...INCLUDING GULF OF
PAPAGAYO...NE TO E 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 FROM 10N TO 12N E OF 87W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 10N TO 12N E OF 91W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 2100 UTC SAT DEC 17...

.TROUGH FROM 08N116W TO 16N112W. SCATTERED MODERATE TO
STRONG FROM 12.5N TO 16N BETWEEN 107W AND 111.5W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09N74W TO 06.5N80W TO 08N89W. THE
ITCZ CONTINUES FROM 08N89W TO 06N100W TO 09.5N115W TO 07N130W TO
BEYOND 09N140W. SCATTERED MODERATE WITHIN 120 NM N OF
ITCZ BETWEEN 116W AND 123W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.