000
FZPN03 KNHC 230301
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0403 UTC TUE OCT 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE OCT 23.
24 HOUR FORECAST VALID 0000 UTC WED OCT 24.
48 HOUR FORECAST VALID 0000 UTC THU OCT 25.

.WARNINGS.

.HURRICANE WILLA 20.5N 107.2W 937 MB AT 0300 UTC OCT 23 MOVING N 
OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150 KT. 
TROPICAL STORM FORCE WINDS WITHIN 110 NM NE...100 NM SE...80 NM 
SW...AND 90 NM NW QUADRANTS. WINDS 20 TO 33 KT AND SEAS 12 FT OR 
GREATER WITHIN 180 NM S SEMICIRCLE...120 NM NE AND 150 NM NW 
QUADRANTS WITH SEAS TO 36 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
23N106W TO 14N102W TO 08N117W TO 22N112W TO 23N106W WINDS 20 KT 
OR LESS. SEAS TO 11 FT PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE WILLA INLAND NEAR 23.1N 105.7W. 
MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NE AND SW QUADRANTS...70 NM NW AND 80 NM SE 
QUADRANTS. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER FROM 19N 
TO 24N E OF 110W WITH SEAS TO 22 FT. ELSEWHERE WITHIN AREA 
BOUNDED BY 25N108W TO 17N103W TO 10N118W TO 25N115W TO 23N110W 
TO 25N108W WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN MIXED 
SWELL. SCATTERED TSTMS IN BANDS WITHIN 180 NM OF CENTER. 
.36 HOUR FORECAST TROPICAL DEPRESSION WILLA INLAND NEAR 25.3N 
102.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER.
WITHIN AREA BOUNDED BY 23N106W TO 16N105W TO 11N118W TO 22N112W 
TO 23N106W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED 
SWELL.
.42 HOUR FORECAST...DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT.

...TROPICAL STORM WARNING...
.TROPICAL STORM VICENTE NEAR 16.4N 102.0W 1006 MB AT 0300 UTC 
OCT 23 MOVING NW OR 320 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 35 
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM OF 
CENTER. SEAS TO 12 FT WITHIN 30 NM S SEMICIRCLE AND 15 NM NW 
QUADRANT. ELSEWHERE WITHIN 75 NM OF CENTER WINDS 20 TO 33 KT. 
SEAS TO 10 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW VICENTE NEAR 19.5N 
104.0W. WINDS 20 TO 25 KT WITHIN 30 NM OF 19.5N105.5W. SEAS 8 TO 
11 FT.
.36 HOUR FORECAST...DISSIPATED. CONDITIONS MERGE.

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.    

.WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95.5W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES 11.5N116W 1008 MB STATIONARY. WITHIN 210 NM SE 
QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 12N116W 1009 MB. WITHIN 150 NM E 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN SW SWELL.  
.48 HOUR FORECAST LOW PRES NEAR 13N118W 1009 MB. WITHIN 180 NM NE 
QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT.  

.S OF 08N BETWEEN 88W AND 120W WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN SW SWELL.  
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 10N TO 17N W OF 135W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 10N TO 15N W OF 138W WINDS 20 KT OR LESS. 
SEAS TO 8 FT.

.36 HOUR FORECAST W OF LINE FROM 30N137W TO 28N140W WINDS 20 KT 
OR LESS. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST W OF LINE FROM 30N132W TO 20N140W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN NW SWELL.
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0300 UTC MON OCT 22...

.HURRICANE WILLA...NUMEROUS STRONG WITHIN 75 NM OF CENTER 
SURROUNDED BY SCATTERED MODERATE TO STRONG IN BANDS ELSEWHERE 
WITHIN 210 NM OF CENTER.

.TROPICAL STORM VICENTE...SCATTERED MODERATE TO STRONG WITHIN 
120 NM OF CENTER.

.LOW PRES 11.5N116W...ISOLATED MODERATE TO STRONG FLARING WITHIN 
300 NM OVER SE QUADRANT OF CENTER. 

.TROPICAL WAVE N OF 06N ALONG 93W...SCATTERED MODERATE ISOLATED 
STRONG S OF 08N WITHIN 60 NM OF WAVE AXIS. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N83W TO TROPICAL WAVE 07N93W TO 13N110W TO 
LOW PRES 11.5N116W TO 09N124W. ITCZ FROM 09N124W TO 11N140W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF LINES FROM 
08N81W TO 08N91W AND FROM 11N99W TO 13N100W. ISOLATED MODERATE 
TO STRONG WITHIN 150 NM OF LINE FROM 08N135W TO 11N140W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.