000
FZPN03 KNHC 221530
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI DEC 22.
24 HOUR FORECAST VALID 1200 UTC SAT DEC 23.
48 HOUR FORECAST VALID 1200 UTC SUN DEC 24.

.WARNINGS.

...GALE WARNING...

.LOW PRES W OF AREA NEAR 22N147W 1008 MB. FROM 18N TO 26N W OF 
137W SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE W OF LINE 
FROM 30N136W TO 18N133W TO 14N124W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN MIXED SE AND NW SWELL. 
.24 HOUR FORECAST LOW PRES NEAR 29N141W 1006 MB. WITHIN 150 NM E 
SEMICIRCLE OF LOW WINDS 30 TO 35 KT. SEAS 11 TO 15 FT. ELSEWHERE 
W OF LINE FROM 30N132W TO 20N137W SE WINDS 20 TO 25 KT. SEAS 8 
TO 11 FT. 
.36 HOUR FORECAST LOW PRES NEAR 31N138W 1006 MB. OVER FORECAST 
WATERS WITHIN 150 NM E SEMICIRCLE OF LOW S WINDS 20 TO 25 KT. 
SEAS 9 TO 12 FT. ELSEWHERE W OF LINE FROM 30N132W TO 23N137W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SE WND NW SWELL. 
.48 HOUR FORECAST LOW WEAKENING NEAR 31N135W 1010 MB. W OF LINE 
FROM 30N133W TO 30N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
NW SWELL. 

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA FROM 24N TO 29N NW WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 23N TO 27N W OF 110W 
NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 11.5N E OF 87W...INCLUDING THE GULF OF PAPAGAYO... 
NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.36 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N95.5W 
N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N95.5W 
TO 13N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 

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

CONVECTION VALID AT 1430 UTC THU DEC 22...

.LOW PRES W OF AREA NEAR 22N147W...
SCATTERED MODERATE N OF 19N W OF 137W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM LOW PRES NEAR 09N77W 1009 MB TO 07N90W TO 
07N104W. THE ITCZ CONTINUES FROM 07N104W TO LOW PRES NEAR 
09N114W 1012 MB TO 09N130W TO BEYOND 09N130W. SCATTERED MODERATE 
FROM 09N TO 20N BETWEEN 105W AND 120W. 

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.