037 
FZPN03 KNHC 082150
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT SEP 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT SEP 08.
24 HOUR FORECAST VALID 1800 UTC SUN SEP 09.
48 HOUR FORECAST VALID 1800 UTC MON SEP 10.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OLIVIA NEAR 21.7N 139.4W 983 MB AT 2100 UTC SEP 08 
MOVING W OR 280 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 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 SEMICIRCLE...120 NM SE QUADRANT 
AND 150 NM SW QUADRANT WITH SEAS TO 28 FT. ELSEWHERE WITHIN 240 
NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 
TO 11 FT. REMAINDER OF AREA FROM 17N TO 29N BETWEEN 133W AND 
140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE OLIVIA NEAR 22.0N 144.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 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 W OF AREA. OVER FORECAST 
WATERS WITHIN 300 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
10 FT. ELSEWHERE FROM 21N TO 29N W OF 137W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE OLIVIA NEAR 22.0N 148.1W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 50 NM 
SW QUADRANT. SEAS 12 FT OR GREATER W OF AREA. OVER FORECAST 
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.4N 152.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.4N 152.1W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 19.5N 162.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHTEEN-E NEAR 15.8N 116.8W 1006 MB AT 
2100 UTC SEP 08 MOVING WNW OR 290 DEG AT 10 KT. MAXIMUM 
SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 
0 NM NE AND SW QUADRANTS...45 NM NW QUADRANT AND 360 NM SE 
QUADRANT WITH SEAS TO 14 FT. WITHIN 360 NM SE SEMICIRCLE S TO SW 
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN S SWELL. WITHIN 180 NM NW 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 
600 NM SW SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN S 
SWELL.
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 17.6N 118.8W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM NE QUADRANT...20 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
270 NM SE SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE WITHIN 420 NM 
SE AND 240 NM NW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
REMAINDER OF AREA FROM 095N TO 21N BETWEEN 107W AND 122W WINDS 
20 KT OR LESS. SEAS TO 9 FT IN S SWELL.
.48 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 19.9N 121.3W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 
40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM E AND 45 
NM W SEMICIRCLES WITH SEAS TO 15 FT. ELSEWHERE WITHIN 180 NM 
EXCEPT 150 NM W QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
REMAINDER OF AREA FROM 16N TO 24N BETWEEN 114W AND 124W WINDS 20 
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 21.0N 125.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 21.0N 125.0W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 23.5N 132.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 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 AREA BOUNDED BY 03.4S81W TO 06N80W TO 14N106W TO 00N139W 
TO 00N120W TO 03.4S120W TO 03.4S81W...EXCEPT LEE OF GALAPAGOS 
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN S TO SW SWELL.
.24 HOUR FORECAST FROM 00N TO 10N BETWEEN 80W AND 107W...EXCEPT 
LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
MIXED SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN AREA BOUNDED BY 30N123W TO 29N124W TO 
29N125W TO 29N126W TO 30N127W TO 30N123W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SW AND N SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 30N121W TO 26N126W TO 
26N129W TO 30N129W TO 30N121W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN MIXED SW AND N SWELL.
.48 HOUR FORECAST N OF 25N BETWEEN 120W AND 132W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL.

.36 HOUR FORECAST S OF 02.5S W OF 106W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN S SWELL.
.48 HOUR FORECAST S OF 00.5S W OF 100W 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 2100 UTC SAT SEP 8...

.HURRICANE OLIVIA...SCATTERED TO MODERATE TO STRONG WITHIN 75 NM 
EXCEPT 60 NM NE QUADRANT.

.TROPICAL DEPRESSION EIGHTEEN-E...SCATTERED MODERATE TO STRONG 
WITHIN 30 NM NE...90 NM SE...210 NM SW...AND 120 NM NW 
QUADRANTS. 

.SCATTERED MODERATE TO STRONG WITHIN 150 NM OF COAST BETWEEN 
78W AND 97W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM NEAR 10.5N74W TO 10N92W TO 
08.5N98W TO 17N112W. ITCZ EXTENDS FROM 16N131W TO 13N140W. 
SCATTERED MODERATE TO STRONG FROM 06N TO 13N BETWEEN 82W AND 
97W...WITHIN 150 NM S OF TROUGH BETWEEN 97W AND 105W...AND 
WITHIN 120 NM S OF ITCZ.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.