803 FZPN03 KNHC 071546 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC FRI SEP 07 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC FRI SEP 07. 24 HOUR FORECAST VALID 1200 UTC SAT SEP 08. 48 HOUR FORECAST VALID 1200 UTC SUN SEP 09. .WARNINGS. ...HURRICANE WARNING... .HURRICANE OLIVIA NEAR 20.1N 132.5W 964 MB AT 1500 UTC SEP 07 MOVING WNW OR 290 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 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 NW AND SE QUADRANTS...210 NM NE QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 38 FT. ELSEWHERE WITHIN 210 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 420 NM NE QUADRANT...480 NM SE QUADRANT AND 330 NM W SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE OLIVIA NEAR 21.3N 137.0W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 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 NE QUADRANT... 150 NM S SEMICIRCLE AND 180 NM NW QUADRANT WITH SEAS TO 36 FT. ELSEWHERE WITHIN 210 NM N SEMICIRCLE AND 150 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 420 NM N SEMICIRCLE AND 330 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE OLIVIA NEAR 22.0N 142.3W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM N SEMICIRCLE...120 NM SE QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 34 FT. ELSEWHERE WITHIN 180 NM N SEMICIRCLE AND 150 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 480 NM N SEMICIRCLE...240 NM SE QUADRANT AND 300 NM NW QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE OLIVIA NEAR 22.3N 146.9W. 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 22.3N 146.9W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. .120 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 21.0N 155.0W. 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. .ELONGATED LOW PRES WITH MAIN CENTER NEAR 14.5N113W 1008 MB MOVING WNW 10 KT. FROM 04N TO 12N BETWEEN 106W AND 116W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED S AND SW SWELL. POSSIBLE DEVELOPING TROPICAL CYCLONE. .06 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14.5N113.5W 1007 MB. WITHIN 360 NM SE QUADRANT OF LOW S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 500 NM SE SEMICIRCLE OF LOW WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SE AND SW SWELL. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14N116W 1006 MB. WITHIN 300 NM SE QUADRANT OF LOW S TO SW WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN 480 NM SE SEMICIRCLE OF LOW WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SE AND SW SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 16N118W 1002 MB. WITHIN 180 NM NW AND 300 NM SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 480 NM SE SEMICIRCLE OF LOW WINDS 20 KT OR LESS. SEAS 8 TO 10 FT. .WITHIN AREA S OF 03.4S81W TO 02N85W TO 08N102W TO 07N117W TO 06N130W TO 00N133W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SW AND NW SWELL. .24 HOUR FORECAST WITHIN AREA BOUNDED BY 08N104W TO 05N83W TO 01N83W TO 01N104W TO 08N104W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SW AND NW SWELL. .48 HOUR FORECAST WITHIN AREA BOUNDED BY 07N91W TO 04N94W TO 04N100W TO 06N104W TO 07N103W TO 07N95W TO 07N91W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SW AND NW SWELL. .48 HOUR FORECAST N OF 27N BETWEEN 121W AND 128W 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 1500 UTC FRI SEP 7... .HURRICANE OLIVIA...NUMEROUS MODERATE TO STRONG FROM 15N TO 90 NM OF CENTER. .LOW PRES NEAR 14.5N113W...SCATTERED MODERATE TO STRONG WITHIN 180 NM EITHER SIDE OF LINE FROM 20N108W TO 10N118W. .SCATTERED STRONG FROM 22N TO 25.5N E OF 109.W TO MEXICAN COAST. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS EXTENDS FROM LOW PRESSURE OVER NORTHERN COLOMBIA NEAR 10N74W TO 08N82W TO 10N97W TO LOW PRESSURE NEAR 14.5N113 TO 11N118W THEN RESUMES FROM 15N130W TO 13N137W. SCATTERED MODERATE TO STRONG WITHIN 180 NM S OF TROUGH BETWEEN 132W AND 137W. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.