861 FZPN03 KNHC 080859 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SAT SEP 8 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC SAT SEP 8. 24 HOUR FORECAST VALID 0600 UTC SUN SEP 9. 48 HOUR FORECAST VALID 0600 UTC MON SEP 10. .WARNINGS. ...HURRICANE WARNING... .HURRICANE OLIVIA NEAR 21.2N 136.6W 980 MB AT 0900 UTC SEP 08 MOVING WNW OR 285 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 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 240 NM NE QUADRANT...150 NM SE QUADRANT...180 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE WITHIN 240 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 23N129W TO 15N134W TO 16N140W TO 27N140W TO 28N134W TO 23N129W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE OLIVIA W OF AREA NEAR 21.7N 141.5W. 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 WITHIN 210 NM N SEMICIRCLE AND 135 NM S SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE WITHIN 180 NM N SEMICIRCLE AND 105 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 25N135W TO 22N136W TO 17N140W TO 24N138W TO 30N140W TO 29N137W TO 25N135W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE OLIVIA NEAR 21.8N 146.2W. 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 WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .72 HOUR FORECAST HURRICANE OLIVIA NEAR 21.5N 150.0W. 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 21.5N 150.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. .120 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.5N 150.0W. 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 15.5N115.5W 1008 MB. WITHIN 300 NM SE QUADRANT S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 420 NM SE QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. POSSIBLE TROPICAL CYCLONE FORMATION. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 16N117.5W 1006 MB. WITHIN 360 NM SE QUADRANT S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN MIXED SWELL. WITHIN 240 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN AREA BOUNDED BY 15N105W TO 09N107W TO 08N123W TO 13N121W TO 19N124W TO 19N108W TO 15N105W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SW AND NW SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 18N120W 1004 MB. WITHIN 360 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA BOUNDED BY 20N108W TO 13N110W TO 10N117W TO 17N123W TO 21N120W TO 20N108W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .WITHIN AREA BOUNDED BY 03N80W TO 03S81W TO 03.4S120W TO 00N133W TO 15N108W TO 03N80W...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 10N91W TO 06N90W TO 02N94W TO 04N103W TO 07N103W TO 13N96W TO 10N91W 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. .18 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 S AND NW SWELL. .24 HOUR FORECAST WITHIN AREA BOUNDED BY 30N122W TO 27N125W TO 26N127W TO 30N129W TO 30N122W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED S AND NW SWELL. .48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N119W TO 27N121W TO 24N130W TO 26N133W TO 30N130W TO 30N119W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED S AND NW SWELL. .48 HOUR FORECAST WITHIN AREA BOUNDED BY 01S120W TO 01S114W TO 03.4S106W TO 03.4S120W TO 01S120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0830 UTC SAT SEP 8... .HURRICANE OLIVIA...NUMEROUS MODERATE SCATTERED STRONG WITHIN 45 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE. .LOW PRES NEAR 15.5N115.5W...SCATTERED MODERATE TO STRONG WITHIN 180 NM S SEMICIRCLE AND BETWEEN 240 NM AND 390 NM SW QUADRANT. .TROPICAL WAVE N OF 03N ALONG 93W...SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 09N BETWEEN 91W AND 94W AND N OF 13.5N BETWEEN 92W AND 94W. .SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 13N BETWEEN 132W AND 135W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS EXTENDS FROM NEAR 11N85W TO 08N97W TO 14N106W TO LOW PRES NEAR 15N115.5W TO 11N122W. NO SIGNIFICANT CONVECTION. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.