000
FZPN03 KNHC 212152
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC SUN OCT 21 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC SUN OCT 21.
24 HOUR FORECAST VALID 1800 UTC MON OCT 22.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 23.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE WILLA NEAR 17.0N 107.0W 963 MB AT 2100 UTC OCT 21 
MOVING NNW OR 330 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 100 KT 
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE 
QUADRANTS...70 NM NE QUADRANT AND 40 NM SW QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 90 NM E SEMICIRCLE...60 NM SW QUADRANT AND 75 
NM NW QUADRANT WITH SEAS TO 28 FT. ELSEWHERE WITHIN 150 NM N 
SEMICIRCLE...210 NM SE AND 120 NM SW QUADRANTS WINDS 20 TO 33 
KT. SEAS 8 TO 13 FT. REMAINDER OF AREA WITHIN 180 NM N AND 330 
NM S SEMICIRCLES OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT 
IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE WILLA NEAR 18.8N 107.6W. MAXIMUM 
SUSTAINED WINDS 130 KT GUSTS 155 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE...60 NM SW QUADRANT AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NW AND 240 NM SE 
SEMICIRCLES WITH SEAS TO 36 FT. ELSEWHERE WITHIN 150 NM NW AND 
210 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 11 TO 17 FT. 
REMAINDER OF AREA WITHIN 300 NM N AND 540 NM S SEMICIRCLES WINDS 
20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. SCATTERED TSTMS IN 
BANDS WITHIN 270 NM OF CENTER.  
.48 HOUR FORECAST HURRICANE WILLA NEAR 21.0N 107.1W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM E SEMICIRCLE...70 NM SW QUADRANT AND 90 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM SE AND 180 NM NW 
SEMICIRCLES OF CENTER WITH SEAS TO 32 FT. ELSEWHERE WITHIN 120 
NM NE AND 180 NM SW SEMICIRCLES OF CENTER WINDS 20TO 33 KT. SEAS 
10 TO 16 FT. REMAINDER OF AREA FROM 12N TO 26N BETWEEN E OF 100W 
AND 115W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 
SCATTERED TSTMS IN BANDS WITHIN 240 NM OF CENTER.  
.72 HOUR FORECAST TROPICAL STORM WILLA INLAND NEAR 24.8N 103.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL WILLA NEAR 26.8N 100.0W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL STORM VICENTE NEAR 14.2N 97.9W 1005 MB AT 2100 UTC OCT 
21 MOVING W OR 260 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM E 
SEMICIRCLE AND 30 NM W SEMICIRCLE. SEAS TO 12 FT WITHIN 30 NM N 
SEMICIRCLE AND 0 NM S SEMICIRCLE. ELSEWHERE WITHIN 60 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST TROPICAL STORM VICENTE NEAR 15.2N 101.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 45 NM OF CENTER WITH SEAS TO 14 FT. 
ELSEWHERE WITHIN 60 NM OF CENTER WINDS 20 TO 33 KT. SEAS TO 9 
FT. SCATTERED TSTMS IN BANDS WITHIN 120 NM OF CENTER.
.48 HOUR FORECAST TROPICAL DEPRESSION VICENTE NEAR 18.0N 103.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 12 FT WITHIN 
45 NM NE SEMICIRCLE. ELSEWHERE WITHIN 45 NM OF CENTER WINDS 20 
KT OR LESS. SEAS TO 8 FT. SCATTERED TSTMS IN BANDS WITHIN 90 NM 
OF CENTER.
.72 HOUR FORECAST TROPICAL DEPRESSION VICENTE INLAND NEAR 20.5N 
104.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST.    

.LOW PRES 11N117.5W 1008 MB MOVING NE 5 KT. WITHIN 180 NM NE 
QUADRANT AND 210 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 
FT IN MIXED SW SWELL.
.24 HOUR FORECAST LOW PRES 12N118.5W 1009 MB. WITHIN 270 NM SE 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SW SWELL.  
.48 HOUR FORECAST LOW PRES 12.5N119W 1010 MB. WITHIN 180 NM E 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SW SWELL.  

.W OF LINE FROM 09N140W TO 12N131W TO 26N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED NE WINDWAVE AND SWELL. 
.24 HOUR FORECAST W OF LINE FROM 10.5N140W TO 13N132W TO 21N140W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NE WINDWAVE AND 
SWELL. 
.48 HOUR FORECAST FROM 11N TO 18N W OF 136W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED NE WINDWAVE AND SWELL.

.S OF 06N BETWEEN 96W AND 132W WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN SW SWELL.  
.24 HOUR FORECAST S OF LINE FROM 03.4S91W TO 05N110W TO 05N119W 
TO 00N128W WINDS 20 KT OR LESS. SEAS TO 9 FT IN SW SWELL. 
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 01.5N TO 06N BETWEEN 80W AND 88W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN MIXED SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OT 15N BETWEEN 94.5W AND 96W...INCLUDING THE WESTERN GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WITHIN 30 NM OF LINE 16.5N95W TO 14.5N95.5W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 9 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE 16.5N95W TO 14.5N95.5W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2100 UTC SUN OCT 21...

.HURRICANE WILLA...NUMEROUS STRONG WITHIN 60 NM N AND 75 NM S 
OF CENTER. SCATTERED MODERATE TO STRONG IN BANDS ELSEWHERE 
WITHIN 300 NM OF CENTER.

.TROPICAL STORM VICENTE...SCATTERED MODERATE TO STRONG 
WITHIN 30 NM NE AND 120 NM SW SEMICIRCLE OF CENTER.

.LOW PRES 11N17.5W...SCATTERED MODERATE ISOLATED STRONG WITHIN 
120 NM SW SEMICIRCLE.   

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 12N92W...THEN RESUMES FROM 13N110W 
TO 1008 MB LOW AT 11N117.5W TO 09N127W TO 10N140W. SCATTERED 
MODERATE TO STRONG FROM 04N TO 08N E OF 91W...AND WITHIN 90 NM N 
AND 120 NM S OF TROUGH W OF 128W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.