226 
FZPN03 KNHC 080300
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT SEP 8 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 8.
24 HOUR FORECAST VALID 0000 UTC SUN SEP  9.
48 HOUR FORECAST VALID 0000 UTC MON SEP 10.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OLIVIA NEAR 20.9N 135.2W 975 MB AT 0300 UTC SEP 08
MOVING WNW OR 290 DEG AT 13 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 180 NM W SEMICIRCLE...240 NM NE QUADRANT AND
150 NM SE QUADRANT WITH SEAS TO 31 FT. ELSEWHERE WITHIN 150 NM SE
SEMICIRCLE AND 240 NM NW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. REMAINDER OF AREA BOUNDED BY 27N132W TO 21N128W TO 16N132W
TO 15N137W TO 17N140W TO 27N139W TO 27N132W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE OLIVIA NEAR 21.6N 140.0W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 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 210 NM NE QUADRANT...150
NM S SEMICIRCLE AND 180 NM NW QUADRANT WITH SEAS TO 26 FT.
ELSEWHERE WITHIN 210 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY
25N134W TO 17N137W TO 16N140W TO 30N140W TO 25N137W TO 29N136W 
TO 25N134W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE OLIVIA W OF AREA NEAR 21.8N 145.0W. 
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE 
WINDS W OF AREA WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE 
QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT OR GREATER W OF AREA. 
OVER FORECAST WATERS WITHIN AREA BOUNDED BY 24.5N139.5W TO
23.5N139.5W TO 23N140W TO 26N140W TO 26N139.5W TO 24.5N139.5W
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE OLIVIA NEAR 21.7N 149.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.7N 149.0W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.7N 149.0W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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.

.LOW PRES NEAR 15N113.5W 1008 MB. WITHIN 360 NM SE QUADRANT S TO
SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN MIXED SWELL. POSSIBLE 
TROPICAL CYCLONE FORMATION. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15.5N117W 1006 MB. WITHIN 390 NM SE QUADRANT S TO SW WINDS 20 TO
25 KT. SEAS 8 TO 11 FT IN MIXED SWELL. WITHIN 150 NM W SEMICIRCLE
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN AREA BOUNDED
BY 14N104W TO 08N107W TO 07N124W TO 20N120W TO 17N116W TO 
18N110W TO 14N104W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17.5N120W 1004 MB. WITHIN 390 NM SE QUADRANT WINDS 20 TO 25 KT.
SEAS 8 TO 11 FT IN MIXED SWELL. WITHIN 150 NM W SEMICIRCLE WINDS
20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
19N108W TO 11N110W TO 09N122W TO 20N121W TO 15N115W TO 19N115W TO
19N108W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.WITHIN AREA BOUNDED BY 03N82W TO 03S81W TO 03.4S120W TO 02N135W
TO 07N130W TO 10N102W TO 03N82W...EXCEPT LEE OF GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SW AND NW
SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 06N80W TO 02S83W TO 
03N104W TO 08N106W TO 14N98W TO 09N90W TO 06N80W...EXCEPT LEE OF 
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED 
SW AND NW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN AREA BOUNDED BY 30N123W TO 29N124W TO 
29N125W TO 29N126W TO 30N127W TO 30N123W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED S AND NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N120W TO 28N122W TO 
24N129W TO 28N131W TO 30N130W TO 30N120W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED S AND NW SWELL.

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

CONVECTION VALID AT 0230 UTC SAT SEP 8...

.HURRICANE OLIVIA...NUMEROUS MODERATE TO STRONG WITHIN 90 NM SE 
SEMICIRCLE AND WITHIN 75 NM NW SEMICIRCLE.

.LOW PRES NEAR 15N113.5W...SCATTERED MODERATE TO STRONG WITHIN 
420 NM SW QUADRANT AND WITHIN 210 NM NW QUADRANT.

.TROPICAL WAVE ALONG 92W N OF 03N...SCATTERED MODERATE ISOLATED 
STRONG FROM 04N TO 08N BETWEEN 89W AND 92W.

.TROPICAL WAVE ALONG 100W N OF 06N...SCATTERED MODERATE FROM 11N
TO 13N BETWEEN 100W AND 102W.

.SCATTERED MODERATE TO STRONG NEAR CABO CORRIENTES FROM 19N TO 
21N WITHIN 45 NM OF SHORE.

.SCATTERED MODERATE WITHIN 180 NM SE OF A LINE FROM 14N131W TO 
11N140W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM NORTHERN COLOMBIA NEAR 10N75W 
TO 10N89W TO 09N95W TO 13N106W TO LOW PRES NEAR 15N113.5W TO 
14N121W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.