000
FZPN03 KNHC 132123
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC WED DEC 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED DEC 13.
24 HOUR FORECAST VALID 1800 UTC THU DEC 14.
48 HOUR FORECAST VALID 1800 UTC FRI DEC 15.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 45 NM OF LINE FROM 16N95W TO 14N95W TO 12.5N97W... 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 13 FT. ELSEWHERE FROM 08N TO 13N BETWEEN 94W AND 102W WINDS 
20 KT OR LESS. SEAS TO 10 FT IN NE SWELL. 
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.FROM 10N TO 12N E OF 88W...INCLUDING GULF OF PAPAGAYO...NE 
WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 08N TO 11N BETWEEN 88W AND 
91W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL.
.24 HOUR FORECAST FROM 10N TO 12N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 07N TO 10N 
BETWEEN 88W AND 97W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE 
SWELL. 
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.W OF LINE FROM 30N135W TO 22N140W AND S OF 21N W OF 120W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST W OF LINE FROM 30N132W TO 15N140W WINDS 20 KT 
OR LESS. SEAS 10 TO 13 FT IN NW SWELL...HIGHEST NEAR 30N140W. 
ELSEWHERE W OF LINE FROM 30N121W TO 20N128W TO 18N119W TO 
10N118W TO 05N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
PRIMARILY IN NW SWELL. 
.48 HOUR FORECAST FROM 15N TO 22N W OF 135W NE TO E WINDS 20 TO 
25 KT. SEAS 10 TO 13 FT. ELSEWHERE W OF LINE FROM 30N116W TO 
00N128W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW 
SWELL. 

.GULF OF CALIFORNIA 30 HOUR FORECAST N OF 30N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST N OF 29N NW 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 WED DEC 13...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 06N77W TO 05N96W TO 10N115W TO BEYOND 11N140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 14N BETWEEN 114W 
AND 127W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.