000
FZPN03 KNHC 220345
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC FRI DEC 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI DEC 22.
24 HOUR FORECAST VALID 0000 UTC SAT DEC 23.
48 HOUR FORECAST VALID 0000 UTC SUN DEC 24.

.WARNINGS.

...GALE WARNING...

.FROM 16N TO 22N W OF 127W WINDS 20 KT OR LESS. SEAS 8 FT IN NW 
SWELL.
.24 HOUR FORECAST NEW LOW PRES W OF AREA. FROM 24N TO 28N W OF 
139W SE WINDS 20 TO 25 KT. SEAS TO 11 FT. ELSEWHERE W OF LINE 
FROM 30N135W TO 15N131W TO 18N140W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN NW SWELL. 
.33 HOUR FORECAST LOW PRES NEAR 28N141.5W 1006 MB. N OF 28N W OF 
138W SE TO S WINDS 25 TO 35 KT. SEAS 13 TO 15 FT. ELSEWHERE N OF 
25N W OF 136W SE WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. REMAINDER 
OF AREA W OF LINE FROM 30N134W TO 20N138W TO 21N140W WINDS 20 KT 
OR LESS. SEAS TO 9 FT IN MIXED NW AND SE SWELL. 
.45 HOUR FORECAST LOW PRES N OF AREA. N OF 26N W OF 133W SE TO S 
WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE W OF LINE FROM 
30N132W TO 23N140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NW 
AND SE SWELL.
.48 HOUR FORECAST LOW PRES N OF AREA. N OF 28N BETWEEN 133W AND 
137W SE TO S WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE W OF 
LINE FROM 30N133W TO 24N140W. WINDS 20 KT OR LESS. SEAS TO 9 FT 
IN MIXED NW AND SE SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT DISSIPATED. GULF OF CALIFORNIA N OF 27N NW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST GULF OF CALIFORNIA FROM 24N TO 28N NW WINDS 20 
TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 24N TO 27N NW WINDS 20 
TO 25 KT. SEAS TO 8 FT. GULF OF CALIFORNIA FROM 22N TO 23N 
BETWEEN 108.5W AND 109.5W NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.N OF 27.5N BETWEEN 117W AND 124W WINDS 20 KT OR LESS. SEAS 8 FT 
IN NW SWELL. 
.09 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST FROM 08N TO 10N BETWEEN 92W AND 94W WINDS 20 
KT OR LESS. SEAS 8 FT IN SW SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.

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

CONVECTION VALID AT 0300 UTC FRI DEC 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 05N77W TO 07N87W TO 06N97W TO 08N104W. ITCZ 
CONTINUES FROM 08N105W TO LOW PRES NEAR 11N113W 1010 MB TO 
10N126W BEYOND 09N140W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 480 NM N OF ITCZ BETWEEN 107W AND 118W...AND WITHIN 120 
NM S OF ITCZ BETWEEN 117W AND 120W. 

$$
.FORECASTER MT. NATIONAL HURRICANE CENTER.