000
FZPN03 KNHC 171538
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT DEC 17 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT DEC 17.
24 HOUR FORECAST VALID 1200 UTC SUN DEC 18.
48 HOUR FORECAST VALID 1200 UTC MON DEC 19.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...
.12 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO 
13N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 35 
KT. SEAS 9 TO 12 FT.
.24 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO 
12N98W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 
KT. SEAS 10 TO 15 FT.
.48 HOUR FORECAST CONDITIONS BELOW GALE FORCE.

.SYNOPSIS AND FORECAST.

.WITHIN 45 NM OF LINE FROM 16N95W TO 14.5N95W TO 12.5N97W... 
INCLUDING GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 10 
FT.
.12 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 60 NM 
EITHER SIDE OF LINE FROM 16N95W TO 14N95W TO 11N100W N TO NE 
WINDS 20 TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 75 NM 
EITHER SIDE OF LINE FROM 16N95W TO 15N95W TO 11.5N98W N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FROM 10N TO 12N BETWEEN 98W 
AND 103W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N95W TO 
12.5N100W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT IN NE SWELL. FROM 08N TO 11N BETWEEN 100W 
AND 107W NE TO E WINDS 20 KT. SEAS TO 9 FT IN MIXED NE AND SW 
SWELL.

.FROM 08N TO 20N W OF 130W NE TO E WINDS 20 KT. SEAS 8 TO 10 FT 
IN PRIMARILY NE SWELL. 
.24 HOUR FORECAST FROM 08N TO 18N W OF 130W NE TO E WINDS 20 KT. 
SEAS TO 10 FT IN PRIMARILY NW SWELL. FROM 10N TO 14N BETWEEN 
119W AND 130W NE TO E WINDS 20 KT. SEAS TO 9 FT IN NE SWELL. 
.48 HOUR FORECAST FROM 09N TO 22N W OF 113W NE TO E WINDS 20 KT. 
SEAS 8 TO 11 FT IN PRIMARILY NW SWELL. S OF 09N W OF 135W E TO 
SE WINDS 20 KT. SEAS TO 9 FT IN NW SWELL. S OF 09N BETWEEN 130W 
AND 135W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW SWELL.

.DISSIPATING LOW PRES NEAR 29N117W 1015 MB WITH FRONTAL TROUGH 
TO 27N115W TO 24N118W. W OF LINE 30N120W TO 26N120W TO 20N133W 
WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST LOW PRES AND FRONTAL TROUGH DISSIPATED. W OF 
LINE FROM 30N121W TO 18N130W WINDS LESS THAN 20 KT. SEAS 8 TO 12 
FT IN NW SWELL. 
.48 HOUR FORECAST N OF 22N W OF 110W WINDS LESS THAN 20 KT. SEAS 
8 TO 11 FT IN PRIMARILY NW SWELL. 

.FROM 09N TO 12N E OF 90W...INCLUDING GULF OF PAPAGAYO...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST FROM 08N TO 12N E OF 90W AND FROM 08N TO 10N 
BETWEEN 90W AND 93W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 
20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11N86W TO 09N93W... 
INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 
9 FT. ELSEWHERE FROM 05N TO 11N BETWEEN 90W AND 100W WINDS LESS 
THAN 20 KT. SEAS 8 TO 10 FT IN NE SWELL.

.24 HOUR FORECAST FROM 17N TO 21N E OF 107W NW TO N WINDS 20 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 17N BETWEEN 105W AND 107W NW TO N WINDS 
20 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 1500 UTC SAT DEC 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 08N81W TO 07N89W TO 05N100W. ITCZ AXIS 
FROM 05N100W TO 09N116W TO 07N127W TO BEYOND 07.5N140W. 
SCATTERED MODERATE WITHIN 120 NM OF AXIS BETWEEN 112W AND 123W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM N AND 90 NM S 
OF AXIS W OF 132W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.