000
FZPN03 KNHC 201542
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED DEC 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED DEC 20.
24 HOUR FORECAST VALID 1200 UTC THU DEC 21.
48 HOUR FORECAST VALID 1200 UTC FRI DEC 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 11N TO 18N W OF 135W WINDS 20 KT OR LESS. SEAS 8 FT IN NE 
SWELL. 
.24 HOUR FORECAST FROM 17N TO 24N W OF 125W WINDS 20 KT OR LESS. 
SEAS 8 FT IN NW SWELL. 
.48 HOUR FORECAST NEW LOW PRES W OF AREA. N OF 22N W OF 136W SE 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 15N W OF 128W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL. 

.N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 09N TO 11.5N E OF 89W...INCLUDING THE GULF OF PAPAGAYO... 
NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST NORTHERN GULF OF CALIFORNIA N OF 30N SW WINDS 
20 TO 30 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST NORTHERN GULF OF CALIFORNIA N OF 29N NW WINDS 
20 TO 30 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 24.5N NW WINDS 20 TO 
30 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST N OF 28N BETWEEN 116W AND 124W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL. 
.48 HOUR FORECAST N OF 27N BETWEEN 119W AND 124W WINDS 20 KT OR 
LESS. SEAS 8 FT IN NW SWELL.

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

CONVECTION VALID AT 1400 UTC WED DEC 20...

.NUMEROUS MODERATE ISOLATED STRONG FROM 12N TO 20N BETWEEN 107W 
AND 115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES 1010 MB NEAR 06N78W TO 
07N95W...WHERE THE ITCZ BEGINS AND CONTINUES TO 09N120W TO 
10N140W. WIDELY SCATTERED MODERATE WITHIN 90 NM OF EITHER SIDE 
OF ITCZ AXIS W OF 108W. 

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.