000
FZPN03 KNHC 202144
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU DEC 20 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SYNOPSIS VALID 1800 UTC THU DEC 20.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 21.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 22.

.WARNINGS.

...STORM WARNING...
.12 HOUR FORECAST WITHIN 60 NM OF LINE 16N95W TO 15N95W TO 
13N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 35 TO 50 
KT. SEAS 11 TO 16 FT.
.24 HOUR FORECAST WITHIN 90 NM OF LINE 16N95W TO 14N96W TO 
12N98W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 35 TO 50 
KT. SEAS 13 TO 21 FT.
.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 14N96W TO 
12N98W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 35 TO 40 
KT. SEAS 12 TO 18 FT.

.SYNOPSIS AND FORECAST.

.NW OF LINE 27N115W TO 20N115W TO 08N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST NW OF LINE 30N133W TO 28N140W WINDS 20 KT OR 
LESS. SEAS 18 TO 21 FT IN NW SWELL. ELSEWHERE NW OF A LINE FROM 
30N123W TO 23N140W WINDS 20 KT OR LESS. SEAS 12 TO 18 FT IN NW 
SWELL. ELSEWHERE NW OF LINE 30N118W TO 10N115W TO 08N140W WINDS 
20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST NW OF A LINE FROM 30N118W TO 20N125W TO 
13N140W WINDS 20 KT OR LESS. SEAS 12 TO 18 FT IN NW SWELL. 
ELSEWHERE N OF 08N W OF 113W WINDS LESS THAN 20 KT. SEAS 8 TO 12 
FT IN NW SWELL.

.GULF OF CALIFORNIA N OF 24N NW TO N WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N N WINDS 20 TO 30 
KT. SEAS TO 8 FT.  
.12 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 120 NM 
OF LINE 16N95W TO 15N95W TO 12N97W INCLUDING GULF OF TEHUANTEPEC 
N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 150 NM 
OF LINE 16N95W TO 14N96W TO 11N101W INCLUDING GULF OF TEHUANTEPEC
N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS...WITHIN 150 NM 
OF LINE 16N95W TO 14N96W TO 09N108W INCLUDING GULF OF TEHUANTEPEC
N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 06N 
TO 13N BETWEEN 92W AND 110W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN N TO NE SWELL.

.24 HOUR FORECAST FROM 09N TO 11N E OF 88W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST FROM 08N TO 11N E OF 92W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.

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

CONVECTION VALID AT 2100 UTC DEC 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH 08N78W TO 06N99W. ITCZ 06N99W TO 08N140W. 
SCATTERED MODERATE FROM 95W TO 99W WITHIN 60 NM OF TROUGH.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.