559 
FZPN03 KNHC 060305
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC THU SEP 6 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 06.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 07.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 08.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OLIVIA NEAR 17.7N 124.6W 979 MB AT 0300 UTC SEP 06 
MOVING WNW OR 285 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 85 KT 
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM W 
SEMICIRCLE...100 NM NE QUADRANT AND 90 NM SE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 210 NM N AND 170 NM S SEMICIRCLES WITH SEAS 
TO 32 FT. ELSEWHERE WITHIN 240 NM N AND 180 NM S SEMICIRCLES OF 
CENTER WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA 
FROM 12N TO 23N BETWEEN 117W AND 128W WINDS 20 KT OR LESS. SEAS 
8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE OLIVIA NEAR 18.9N 129.1W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS 
TO 30 FT. ELSEWHERE WITHIN 210 NM OF CENTER WINDS 20 TO 33 KT. 
SEAS 9 TO 12 FT. REMAINDER OF AREA FROM 14N TO 25N BETWEEN 122W 
AND 134W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE OLIVIA NEAR 20.8N 134.5W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 70 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM N AND 150 NM S 
SEMICIRCLES WITH SEAS TO 26 FT. ELSEWHERE WITHIN 240 NM N AND 
180 NM S SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO 12 
FT. REMAINDER OF AREA FROM 16N TO 26N BETWEEN 127W AND 139W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.8N 139.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.8N 139.7W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.8N 139.7W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 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

.24 HOUR FORECAST LOW PRES NEAR 12N110W 1008 MB. FROM 07N TO 10N 
BETWEEN 107W AND 111W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 13N113W 1006 MB. FROM 08N TO 11N 
BETWEEN 107W AND 114W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.S OF LINE FROM 01S120W TO 03.4S105W WINDS 20 KT OR LESS. SEAS 8 
FT IN SW SWELL.
.24 HOUR FORECAST S OF LINE FROM 00N124W TO 04N120W TO 03.4S94W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. 
.48 HOUR FORECAST S OF LINE FROM 00N125W TO 08N117W TO 08N95W TO 
05N82W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S SWELL.

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

CONVECTION VALID AT 0300 UTC THU SEP 6...

.HURRICANE OLIVIA...NUMEROUS MODERATE TO STRONG WITHIN 60 NM OF 
THE CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 
150 NM OF THE CENTER.

.LOW PRES NEAR 13N106W...SCATTERED MODERATE ISOLATED STRONG FROM 
11N TO 15N BETWEEN 105W AND 110W.

.TROPICAL WAVE NEAR 103W...SCATTERED MODERATE FROM 13N TO 17N 
BETWEEN 98W AND 102W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO LOW PRES NEAR 13N106W 1008 MB TO 
10N113W...RESUMES FROM 13N128W TO 12N140W. SCATTERED MODERATE 
FROM 05N TO 11N BETWEEN 84W AND 97W...AND FROM 10N TO 14N 
BETWEEN 123W AND 130W. 
  
$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.