000
FZPN03 KNHC 182125
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT NOV 18 2006

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

SYNOPSIS VALID 1800 UTC SAT NOV 18
24 HOUR FORECAST VALID 1800 UTC SUN NOV 19
48 HOUR FORECAST VALID 1800 UTC MON NOV 20

.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM SERGIO NEAR 15.6N 104.7W 1000 MB AT 2100 UTC NOV
18 MOVING NW OR 310 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N 
SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 75 NM OF CENTER EXCEPT 60 NM SW QUADRANT WITH 
SEAS TO 13 FT.
.24 HOUR FORECAST TROPICAL STORM SERGIO NEAR 16.5N 106.2W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. LITTLE CHANGE IN
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER.
SEAS TO 14 FT. 
.48 HOUR FORECAST TROPICAL DEPRESSION SERGIO NEAR 17.1N 108.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER 
WITHIN 30 NM OF CENTER WITH SEAS TO 13 FT.
.72 HOUR FORECAST REMNANT LOW SERGIO NEAR 17.5N 111.0W. MAXIMUM
SUSTAINED WINDS 20 KT GUSTS 25 KT.

...GALE WARNING...
.30 HOUR FORECAST WITHIN 60 NM OF LINE 16N94.5W 13N97W INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 35 KT SEAS 9 TO 
12 FT.
.48 HOUR FORECAST WITHIN 60 NM OF LINE 16N94.5W 13N97W INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 KT SEAS 11 TO 
17 FT.

.SYNOPSIS AND FORECAST.
.EXCEPT AS NOTED IN SERGIO WARNINGS...WITHIN 150 OF CENTER WINDS 
20 TO 33 KT SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT  
SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 150 NM OF CENTER  WINDS 20 TO 25 KT  
SEAS 8 TO 12 FT.

.N OF 14N BETWEEN 94W AND 96W INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT SEAS TO 9 FT.
.24 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF LINE 16N94.5W 
12N97W INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
30 KT SEAS 8 TO 11 FT.
.36 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 120 NM 
EITHER SIDE OF LINE 16N94.5W 13N97W 11N99W NE WINDS 20 TO 25 KT  
SEAS 8 TO 10 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 120 NM 
EITHER SIDE OF LINE 16N94.5W 13N97W 10N101W NE TO E WINDS 20 TO 
30 KT SEAS 8 TO 12 FT.

.LOW PRES 11N115W 1008 MB. WITHIN 120 NM NW SEMICIRCLE AND 
WITHIN 270 NM SE SEMICIRCLE OF CENTER WINDS TO 20 KT SEAS TO 9 
FT. ELSEWHERE FROM 5N TO 11N BETWEEN 117W AND 103W SW WINDS TO 
20 KT SEAS 8 TO 10 FT PRIMARILY IN SW SWELL.
.24 HOUR FORECAST LOW PRES 11N117W 1008 MB. WITHIN 270 NM SE 
SEMICIRCLE WINDS TO 20 KT SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES 11N118W 1008 MB. WITHIN 240 NM SE 
SEMICIRCLE SW WINDS TO 20 KT SEAS TO 8 FT.

.FROM 13N TO 24N W OF 130W NE WINDS TO 20 KT SEAS TO 8 FT. N OF 
28N W OF 118W WINDS LESS THAN 20 KT SEAS TO 8 FT IN N SWELL.
.24 HOUR FORECAST COLD FRONT 31N138W 29N142W. NW OF FRONT NW TO 
N WINDS TO 20 KT SEAS TO 9 FT. ELSEWHERE NW OF LINE 15N140W 
30N118W WINDS LESS THAN 20 KT SEAS TO 9 FT IN NLY SWELL. 
.48 HOUR FORECAST COLD FRONT 30N133W 27N140W. NW OF FRONT N TO 
NE WINDS 20 KT SEAS 8 TO 11 FT IN NW SWELL. FROM 13N TO 20N W OF 
125W WINDS LESS THAN 20 KT SEAS TO 8 FT PRIMARILY IN N SWELL.  

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

CONVECTION VALID 2100 UTC SAT NOV 18...
TROPICAL STORM SERGIO...NUMEROUS STRONG WITHIN 75 NM OF CENTER. 
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 14N TO 18N 
BETWEEN 100W AND 105W.

INTERTROPICAL CONVERGENCE ZONE...AXIS 7N78W 9N90W 13N100W 
14N110W 9N120W 8N140W. ISOLATED MODERATE AND STRONG N OF 4N E OF 
92W AND WITHIN 120 NM OF LINE 12N105W 8N117W 9N132W...AND WITHIN 
120 NM OF 12N139W.

FORECASTER NELSON
TROPICAL PREDICTION CENTER
TROPICAL ANALYSIS AND FORECAST BRANCH