000
FZPN03 KNHC 211546
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN OCT 21.
24 HOUR FORECAST VALID 1200 UTC MON OCT 22.
48 HOUR FORECAST VALID 1200 UTC TUE OCT 23.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE WILLA NEAR 16.6N 106.7W 975 MB AT 1500 UTC OCT 21 
MOVING NW OR 325 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 85 KT 
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER 
EXCEPT 40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM N 
AND 60 NM S SEMICIRCLES WITH SEAS TO 26 FT. ELSEWHERE WITHIN 180 
NM N SEMICIRCLE...240 NM SE AND 120 NM SW QUADRANTS WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 210 NM N AND 
360 NM SE SEMICIRCLES OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 
FT PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE WILLA NEAR 18.2N 107.6W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 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 32 FT. ELSEWHERE WITHIN 150 NM NW AND 
210 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 11 TO 15 FT. 
REMAINDER OF AREA WITHIN 300 NM N AND 500 NM S SEMICIRCLES WINDS 
20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. SCATTERED TSTMS IN 
BANDS WITHIN 270 NM OF CENTER.  
.48 HOUR FORECAST HURRICANE WILLA NEAR 20.4N 107.5W. 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. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 330 
NM SE AND 180 NM NW SEMICIRCLES OF CENTER WITH SEAS TO 31 FT. 
ELSEWHERE WITHIN 480 NM SE AND 240 NM NW SEMICIRCLES OF CENTER 
WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED SWELL. 
SCATTERED TSTMS IN BANDS WITHIN 240 NM OF CENTER.  
.72 HOUR FORECAST HURRICANE WILLA INLAND NEAR 23.3N 105.5W.
MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL WILLA NEAR 26.5N 101.0W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL STORM VICENTE NEAR 14.4N 96.8W 1002 MB AT 1500 UTC OCT 
21 MOVING WSW OR 255 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM E 
SEMICIRCLE AND 30 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
30 NM OF CENTER WITH SEAS TO 15 FT. ELSEWHERE WITHIN 60 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST TROPICAL STORM VICENTE NEAR 14.4N 99.8W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 35 NM OF CENTER WITH SEAS TO 17 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 STORM VICENTE NEAR 16.9N 102.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
SCATTERED TSTMS IN BANDS WITHIN 90 NM OF CENTER.
.72 HOUR FORECAST TROPICAL DEPRESSION VICENTE INLAND NEAR 19.7N 
104.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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 11N118W 1008 MB STATIONARY. WITHIN 150 NM SE 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SW SWELL.
.24 HOUR FORECAST LOW PRES 11.5N118W 1008 MB. WITHIN 210 NM SE 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SW SWELL.  
.48 HOUR FORECAST LOW PRES 12N118.5W 1008 MB. WITHIN 240 NM SE 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SW SWELL.  

.W OF LINE FROM 09N140W TO 12N130.5W TO 23N140W 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 12N TO 18N W OF 134W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED NE WINDWAVE AND SWELL.

.S OF 05N BETWEEN 102W 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.

.S OF 05.5N BETWEEN 80W AND 87W WINDS 20 KT OR LESS. SEAS TO 9 
FT IN MIXED SW SWELL.
.24 HOUR FORECAST FROM 04N TO 07N BETWEEN 80W AND 87W WINDS 20 
KT OR LESS. SEAS TO 8 FT PRIMARILY IN MIXED SW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST 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.
.18 HOUR FORECAST WITHIN 30 NM OF LINE 16.5N95W TO 14.5N95.5W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.
SEAS TO 9 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE 16.5N95W TO 14N95.5W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE 16.5N95W TO 14.5N95W... 
INCLUDING THE GULF OF TEHUANTEPEC...N 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 1500 UTC SUN OCT 21...

.HURRICANE WILLA...NUMEROUS STRONG WITHIN 75 NM N AND 90 NM S OF 
CENTER SURROUNDED BY SCATTERED MODERATE TO STRONG IN BANDS 
WITHIN 330 NM OF CENTER.

.TROPICAL STORM VICENTE...SCATTERED MODERATE TO STRONG 
WITHIN 75 NM NE AND 120 NM SW SEMICIRCLE OF CENTER.

.LOW PRES 11N118W...SCATTERED MODERATE ISOLATED STRONG WITHIN 
120 NM SE QUADRANT OF CENTER.   

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 12N92W...RESUMES FROM 14N111W TO 
1010 MB LOW AT 11N118W TO 09N127W TO 10N140W. SCATTERED MODERATE 
TO STRONG FROM 04N TO 08N E OF 85W...AND WITHIN 60 NM N AND 90 
NM S OF TROUGH W OF 127W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.