000
FZPN03 KNHC 182107
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN OCT 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN OCT 18.
24 HOUR FORECAST VALID 1800 UTC MON OCT 19.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 20.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OLAF NEAR 9.7N 134.3W 989 MB AT 2100 UTC OCT 18 
MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 70 KT 
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE 
QUADRANT...120 NM SE QUADRANT...50 NM SW QUADRANT...AND 70 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 100 NM E SEMICIRCLE...60 
NM SW QUADRANT AND 70 NM NW QUADRANT WITH SEAS TO 26 FT. 
ELSEWHERE WITHIN 180 NM OF CENTER EXCEPT 60 NM W QUADRANT WINDS 
20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA FROM 05N TO 20N 
BETWEEN 128W AND 138W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.24 HOUR FORECAST HURRICANE OLAF NEAR 10.3N 137.5W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...80 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN 150 NM N AND 120 NM S SEMICIRCLES WITH 
SEAS TO 38 FT. ELSEWHERE WITHIN 270 NM N AND 120 NM S 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA 
FROM 06N TO 23N W OF 130W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE OLAF NEAR 11.8N 140.6W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM E SEMICIRCLE AND 100 NM W SEMICIRCLE. SEAS 12 FT 
OR GREATER OVER FORECAST WATERS WITHIN 270 NM N AND 180 NM S 
SEMICIRCLES WITH SEAS TO 44 FT. ELSEWHERE OVER FORECAST WATERS 
WITHIN 360 NM N AND 210 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT. REMAINDER AREA FROM 06N TO 25N W OF 130W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE OLAF NEAR 13.7N 143.4W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE OLAF NEAR 16.0N 145.0W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST HURRICANE OLAF NEAR 18.0N 145.0W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.

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 EITHER SIDE OF A LINE FROM 16N95W TO 11.5N96W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. ELSEWHERE FROM 06N TO 13N BETWEEN 91W AND 99W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED N AND SW SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N95W 1006 MB. WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15N95.5W TO 12N96W... INCLUDING THE GULF OF TEHUANTEPEC. N TO 
NE WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. WITHIN 150 NM SE 
SEMICIRCLE S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE 
FROM 09N TO 14N BETWEEN 92W AND 99W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN MIXED N AND SW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N96.5W 1005 MB. WITHIN 150 NM N SEMICIRCLE WINDS 20 TO 30 KT. 
SEAS 9 TO 13 FT. WITHIN 150 NM SE AND 60 NM SW QUADRANTS WINDS 
20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 07N TO 14N BETWEEN 92W 
AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED N AND SW 
SWELL. 

.FROM 03N TO 08N BETWEEN 100W AND 115W WINDS 20 KT OR LESS. SEAS 
TO 8 FT PRIMARILY IN SW SWELL. 
.24 HOUR FORECAST S OF 05N BETWEEN 110W AND 118W WINDS 20 KT OR 
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
 
.W OF A LINE FROM 30N125W TO 20N133W WINDS 20 KT OR LESS. SEAS 
TO 9 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST N OF 28N BETWEEN 119W AND 124W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN NW SWELL.
.48 HOUR FORECAST N OF 27N BETWEEN 116W AND 125W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NW SWELL. 

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

CONVECTION VALID 2100 UTC SUN OCT 18...

.HURRICANE OLAF...NUMEROUS MODERATE TO STRONG WITHIN 60 NM OF 
CENTER. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 11N 
BETWEEN 130W AND 138W. SCATTERED MODERATE ISOLATE STRONG WITHIN 
30 NM OF LINE 15N125W TO 15N131W TO 13N134W TO 11N136W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...         
MONSOON TROUGH FROM 15N93W TO LOW PRES NEAR 12N95W TO LOW PRES 
NEAR 08N115W TO 09N122W. NUMEROUS MODERATE TO STRONG OVER WATERS 
N OF 14N BETWEEN 96W AND 99W. SCATTERED MODERATE ISOLATED STRONG 
ELSEWHERE OVER WATERS N OF 11N BETWEEN 90W AND 100W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.