000
FZPN03 KNHC 210904
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN OCT 21.
24 HOUR FORECAST VALID 0600 UTC MON OCT 22.
48 HOUR FORECAST VALID 0600 UTC TUE OCT 23.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE WILLA NEAR 16.2N 106.5W 984 MB AT 0900 UTC OCT 21 
MOVING NW OR 315 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM E AND 30 NM 
W SEMICIRCLES. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER 
WITHIN 75 NM N AND 60 NM S SEMICIRCLES WITH SEAS TO 21 FT. 
ELSEWHERE WITHIN 330 NM SE AND 150 NM NW SEMICIRCLES OF CENTER 
WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE WILLA NEAR 17.6N 107.4W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE...60 NM SW AND 70 NM NW QUADRANTS. 
WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 240 NM SE AND 
150 NM NW SEMICIRCLES OF CENTER WITH SEAS TO 28 FT. ELSEWHERE 
WITHIN 390 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.  
.48 HOUR FORECAST HURRICANE WILLA NEAR 19.8N 107.7W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM E AND 80 NM W SEMICIRCLES. 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 NEAR 22.3N 106.1W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION WILLA INLAND NEAR 26.9N
101.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL STORM VICENTE NEAR 14.5N 96.0W 1002 MB AT 0900 UTC OCT 
21 MOVING W-SW OR 255 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM E AND 30 NM 
W SEMICIRCLES. SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER WITH 
SEAS TO 15 FT. ELSEWHERE WITHIN 90 NM OF CENTER WINDS 20 TO 33 
KT. SEAS TO 11 FT. 
.24 HOUR FORECAST TROPICAL STORM VICENTE NEAR 14.4N 99.0W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM N AND 20 NM S SEMICIRCLES. WINDS 20 TO 33 KT 
AND SEAS 12 FT OF GREATER WITHIN 90 NM OF CENTER WITH SEAS TO 15 
FT. SCATTERED TSTMS IN BANDS WITHIN 120 NM OF CENTER.
.48 HOUR FORECAST TROPICAL STORM VICENTE NEAR 16.6N 102.1W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM N AND 20 NM S SEMICIRCLES. WINDS 20 TO 33 KT 
AND SEAS 12 FT OF GREATER WITHIN 75 NM OF CENTER WITH SEAS TO 13 
FT. SCATTERED TSTMS IN BANDS WITHIN 90 NM OF CENTER.
.72 HOUR FORECAST TROPICAL DEPRESSION VICENTE INLAND NEAR 19.2N 
104.2W. 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 1010 MB. WITHIN 150 NM SE QUADRANT WINDS 20 KT 
OR LESS. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES 11N119W 1009 MB. WITHIN 150 NM SE 
QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT.  
.48 HOUR FORECAST LOW PRES 12N120W 1008 MB. WITHIN 150 NM SE 
QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT.  

.FROM 11N TO 17N W OF 136W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
MIXED SW AND NW SWELL. 
.24 HOUR FORECAST FROM 13N TO 17N W OF 137W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SW AND NW SWELL. 
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.S OF 01S BETWEEN 110W AND 120W WINDS 20 KT OR LESS. SEAS TO 8 
FT PRIMARILY IN SW SWELL.  
.24 HOUR FORECAST S OF 01S BETWEEN 100W AND 115W WINDS 20 KT OR 
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL. 
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.S OF 05N BETWEEN 80W AND 87W WINDS 20 KT OR LESS. SEAS TO 8 FT 
PRIMARILY IN SW SWELL.
.24 HOUR FORECAST FROM 04N TO 07N BETWEEN 80W AND 85W WINDS 20 
KT OR LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST WITHIN 30 NM OF LINE 16N95W TO 14N95W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 45 NM OF LINE 16N95W TO 13.5N96W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. 
SEAS TO 9 FT.
.42 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 0900 UTC SUN OCT 21...

.HURRICANE WILLA...NUMEROUS STRONG WITHIN 45 NM E AND 75 NM W OF 
CENTER SURROUNDED BY SCATTERED MODERATE TO STRONG IN BANDS 
WITHIN 330 NM OF CENTER.

.TROPICAL STORM VICENTE...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 120 NM SW SEMICIRCLE OF CENTER.

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

.TROPICAL WAVE N OF 08N ALONG 84W...ISOLATED MODERATE TO STRONG 
WITHIN 120 NM OF LINE FROM 05N77W TO 09N86W.
 
.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
ISOLATED STRONG WITHIN 45 NM OF 10N118.5W AND FROM 08N TO 12N 
BETWEEN 131W AND 140W.  

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.