000
FZPN03 KNHC 180931
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN OCT 18.
24 HOUR FORECAST VALID 0600 UTC MON OCT 19.
48 HOUR FORECAST VALID 0600 UTC TUE OCT 20.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OLAF NEAR 9.4N 131.9W 991 MB AT 0900 UTC OCT 18 
MOVING W OR 275 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 
80 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...120 
NM SE QUADRANT...90 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 
12 FT OR GREATER WITHIN 45 NM W SEMICIRCLE...60 NM NE QUADRANT 
AND 90 NM SE QUADRANT WITH SEAS TO 21 FT. ELSEWHERE WITHIN 180 
NM...EXCEPT 210 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS 9 TO 12 
FT. REMAINDER AREA FROM 05N TO 16N BETWEEN 126W AND 136W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE OLAF NEAR 10.0N 135.1W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM W SEMICIRCLE...110 NM NE QUADRANT AND 130 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM OF CENTER...EXCEPT 
90 NM SW QUADRANT WITH SEAS TO 33 FT. ELSEWHERE WITHIN 240 NM NE 
SEMICIRCLE AND 150 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 9 TO 
12 FT. REMAINDER AREA FROM 06N TO 22N W OF 127W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE OLAF NEAR 11.3N 138.6W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM E SEMICIRCLE AND 120 NM W SEMICIRCLE. SEAS 12 FT 
OR GREATER WITHIN 240 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE 
WITH SEAS TO 40 FT. ELSEWHERE WITHIN 300 NM NE SEMICIRCLE AND 
150 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER AREA FROM 06N TO 25N W OF 126W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE OLAF NEAR 13.3N 141.7W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE OLAF NEAR 15.0N 143.5W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST HURRICANE OLAF NEAR 17.5N 143.5W. 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...
.WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W TO 15N95W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. 
SEAS 10 TO 13 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF A LINE 
FROM 16N95W TO 15N95W TO 12N96W N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 12 FT. REMAINDER AREA FROM 06N TO 12N BETWEEN 91W AND 99W 
AS WELL AS WITHIN 120 NM EITHER SIDE OF A LINE FROM 15N95W TO 
12N96W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED N AND SW 
SWELL.
.12 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 15.5N95W TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO 
NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 07N TO 13N 
BETWEEN 91W AND 99WAS WELL AS WITHIN 90 NM EITHER SIDE OF A LINE 
FROM 15N95W TO 13N96W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED 
N AND SW SWELL.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...AND WITHIN 
60 NM EITHER SIDE OF A LINE FROM 14.5N95.5W TO 13N95.5W N TO NE 
WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 07N TO 14N 
BETWEEN 92W AND 99W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED N 
AND SW SWELL.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE 16N95W TO 
12.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 07N TO 14N BETWEEN 92W 
AND 99W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED N AND SW 
SWELL. 

.SYNOPSIS AND FORECAST.

.W OF 99N TO A LINE FROM 09N99W TO 00N120W WINDS 20 KT OR LESS. 
SEAS TO 8 FT PRIMARILY IN SW SWELL. 
.24 HOUR FORECAST S OF 00N BETWEEN 105W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST LITTLE CHANGE. 
 
.NW OF A LINE FROM 30N129W TO 14N140W WINDS 20 KT OR LESS. SEAS 
TO 9 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 119W AND 128W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN NW SWELL.
.48 HOUR FORECAST N OF 27N BETWEEN 116W AND 127W 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 0830 UTC SUN OCT 18...

.HURRICANE OLAF...NUMEROUS MODERATE TO STRONG WITHIN 30 NM OF 
CENTER...EXCEPT 90 NM S QUADRANT. SCATTERED MODERATE ISOLATED 
STRONG ELSEWHERE FROM 04N TO 12N BETWEEN 128W AND 136W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...         
MONSOON TROUGH FROM 14N92W TO LOW PRES NEAR 12N94W 1007 MB TO 
11N97W TO 13N105W TO LOW PRES NEAR 09N113W 1007 MB TO 11N120W. 
NUMEROUS MODERATE TO STRONG FROM 10N TO 14N BETWEEN 87W AND 93W 
AS WELL AS N OF 10N BETWEEN 94W AND 103W. 

.FORECASTER SCHAUER. NATIONAL HURRICANE CENTER.