000
FZPN03 KNHC 200252
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE OCT 20 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20.
24 HOUR FORECAST VALID 0000 UTC WED OCT 21.
48 HOUR FORECAST VALID 0000 UTC THU OCT 22.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OLAF NEAR 10.1N 139.5W 949 MB AT 0300 UTC OCT 20 
MOVING W OR 275 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 120 KT 
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE 
QUADRANT...120 NM SE QUADRANT...60 NM SW QUADRANT...AND 70 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 270 NM N 
SEMICIRCLE...240 NM SE QUADRANT AND 210 NM SW QUADRANT WITH SEAS 
TO 39 FT. ELSEWHERE WITHIN 270 NM OF CENTER...EXCEPT 210 NM SW 
QUADRANT WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA FROM 
05N TO 23N W OF 127W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
PRIMARILY IN MIXED SE AND NW SWELL. 
.24 HOUR FORECAST HURRICANE OLAF NEAR 11.1N 142.4W. MAXIMUM 
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM E SEMICIRCLE...70 NM SW QUADRANT AND 100 NM NW 
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 360 
NM N AND 150 NM S SEMICIRCLES WITH SEAS TO 44 FT. ELSEWHERE OVER 
FORECAST WATERS WITHIN 450 NM NE AND 270 NM SE QUADRANTS WINDS 
20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA FROM 05N TO 22N W 
OF 132W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN SW 
SWELL. 
.48 HOUR FORECAST HURRICANE OLAF NEAR 13.0N 145.0W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM E SEMICIRCLE...100 NM SW QUADRANT AND 120 NM NW 
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 390 
NM N AND 300 NM S SEMICIRCLES WITH SEAS TO 47 FT. ELSEWHERE OVER 
FORECAST WATERS WITHIN 450 NM E SEMICIRCLE WINDS 20 TO 25 KT. 
SEAS 9 TO 12 FT. REMAINDER AREA FROM 07N TO 23N W OF 135W WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE OLAF NEAR 15.4N 146.6W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE OLAF NEAR 18.3N 146.9W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST HURRICANE OLAF NEAR 20.9N 146.4W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.

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

...GALE WARNING...
.LOW PRES NEAR 13N94W 1007 MB. WITHIN 15 NM EITHER SIDE OF A 
LINE FROM 16N95W TO 15N95W TO 12N96W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 14 FT. 
ELSEWHERE WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W TO 
14N95W TO 11N96W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. REMAINDER 
AREA FROM 09N TO 14N BETWEEN 92W AND 97W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED N AND SW SWELL. 
.24 HOUR FORECAST LOW PRES NEAR 13N95W 1005 MB. WITHIN 15 NM 
EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO 12N97W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. 
SEAS 10 TO 14 FT. ELSEWHERE WITHIN 30 NM OF LINE 16N95W TO 
15N95W TO 11.5N97W... INCLUDING THE GULF OF TEHUANTEPEC...NE 
WINDS 20 TO 30 KT. SEAS 9 TO 10 FT. REMAINDER AREA FROM 07N TO 
14N BETWEEN 94W AND 99W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED NE AND SW SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13.5N98W 1003 MB. WITHIN 120 NM OF CENTER...EXCEPT 60 NM 
QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 05N 
TO 14N BETWEEN 95W AND 102W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED NE AND SW SWELL. 

.SYNOPSIS AND FORECAST.

.S OF 01N BETWEEN 112W AND 120W WINDS 20 KT OR LESS. SEAS TO 8 
FT PRIMARILY IN SW SWELL. 
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
 
.N OF 28N BETWEEN 118W AND 123W WINDS 20 KT OR LESS. SEAS TO 8 
FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 117W AND 124W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NW SWELL.
.36 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 0230 UTC TUE OCT 20...

.HURRICANE OLAF....NUMEROUS STRONG WITHIN 60 NM OF CENTER. 
SCATTERED MODERATE TO STRONG ELSEWHERE WITHIN 210 NM S 
SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG REMAINDER AREA 
FROM 04N TO 16N W OF 134W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...         
MONSOON TROUGH FROM 14.5N92W TO LOW PRES NEAR 13N94W TO 08N104W 
TO 08N122W. NUMEROUS MODERATE TO STRONG OVER FORECAST WATERS N 
OF 12N BETWEEN 90W AND 98W. SCATTERED MODERATE ISOLATED STRONG 
FROM 09N TO 12N BETWEEN 90W ANS 98W. SCATTERED MODERATE WITHIN 
60 N OF TROUGH BETWEEN 102W AND 116W. 

.FORECASTER AL. NATIONAL HURRICANE CENTER.