929 
FZPN03 KNHC 060911
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU SEP 06.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 07.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 08.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OLIVIA NEAR 18.1N 125.8W 970 MB AT 0900 UTC SEP 06 
MOVING WNW OR 285 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 90 KT 
GUSTS 110 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 180 NM W SEMICIRCLE...210 NM NE QUADRANT 
AND 150 NM SE QUADRANT 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 11N TO 24N BETWEEN 117W AND 
131W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE OLIVIA NEAR 19.4N 130.3W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. ELSEWHERE 
WITHIN 210 NM OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. 
REMAINDER OF AREA FROM 13N TO 26N BETWEEN 123W AND 136W WINDS 20 
KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE OLIVIA NEAR 21.0N 135.5W. 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 28 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 15N TO 27N BETWEEN 128W AND 140W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.7N 140.7W.
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 21.7N 140.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.7N 140.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 13N111W 1008 MB. FROM 06N TO 10N 
BETWEEN 106W AND 117W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 14N114W 1006 MB. FROM 08N TO 13N 
BETWEEN 107W AND 115W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.S OF LINE FROM 00S120W TO 03.4S104W WINDS 20 KT OR LESS. SEAS 8 
FT IN SW SWELL.
.24 HOUR FORECAST S OF LINE FROM 06N125W TO 06N105W TO 03.4S85W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S SWELL. 
.48 HOUR FORECAST FROM 00N TO 08N BETWEEN 81W AND 107W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN S SWELL.

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

CONVECTION VALID AT 0900 UTC THU SEP 6...

.HURRICANE OLIVIA...NUMEROUS MODERATE TO STRONG WITHIN 60 NM OF 
CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 120 
NM OF CENTER.

.LOW PRES NEAR 14N106W...SCATTERED MODERATE FROM 12N TO 16N 
BETWEEN 106W AND 111W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 11N89W TO 11N98W TO LOW PRES NEAR 
14N106W 1009 MB TO 10N115W...RESUMES FROM 14N126W TO 13N140W. 
SCATTERED MODERATE TO STRONG FROM 12N TO 16N BETWEEN 91W AND 
95W. SCATTERED MODERATE FROM 04N TO 07N BETWEEN 83W AND 
90W...AND WITHIN 75 NM OF LINE FROM 17N120W TO 11N130W. 
  
$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.