000 FZPN03 KNHC 181525 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC FRI OCT 18 2019 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 1200 UTC FRI OCT 18. 24 HOUR FORECAST VALID 1200 UTC SAT OCT 19. 48 HOUR FORECAST VALID 1200 UTC SUN OCT 20. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM OCTAVE NEAR 10.6N 126.6W 1005 MB AT 1500 UTC OCT 18 MOVING N OR 360 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER EXCEPT 20 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER EXCEPT 20 NM SW QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 90 NM SE AND 60 NM NW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 07N TO 11N BETWEEN 122W AND 132W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL... EXCEPT MERGING WITH NW SWELL W OF 131W. .24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 11.6N 126.3W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM E SEMICIRCLE...20 NM SW QUADRANT AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO 13 FT. ELSEWHERE WITHIN 60 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 13N BETWEEN 123W AND 130W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL MERGING WITH NW SWELL. .36 HOUR FORECAST TROPICAL DEPRESSION OCTAVE NEAR 11.6N 125.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 60 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSWHERE SEE PARAGRAPH BELOW DESCRIBING AREA OF NW TO N SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.2N 125.9W. WITHIN 60 NM N SEMICIRCLE OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSWHERE SEE PARAGRAPH BELOW DESCRIBING AREA OF NW TO N SWELL. .72 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.0N 126.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.5N 126.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .120 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 12.5N 127.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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. .N OF 29N BETWEEN 118W AND 123W NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE NW OF LINE 30N116W TO 21N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL...EXCEPT 10 TO 13 FT N OF 29N BETWEEN 120W AND 125W. .18 HOUR FORECAST N OF 29N BETWEEN 120W AND 123W NW TO N WINDS 20 TO 25 KT. SEAS 11 TO 14 FT IN NW TO N SWELL. ELSEWHERE N OF LINE FROM 24N114W TO 16N127W TO 11N140W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW TO N SWELL...HIGHEST N OF 26N BETWEEN 119W AND 125W. .24 HOUR FORECAST LITTLE CHANGE. .42 HOUR FORECAST N OF 27N BETWEEN 119W AND 124W NW TO N WINDS 20 TO 25 KT. SEAS 10 TO 14 FT IN NW TO N SWELL. ELSEWHERE WITHIN AREA BOUNDED BY 30N116W TO 22N110W TO 10N110W TO 10N140W TO 30N140W TO 30N116W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL. .48 HOUR FORECAST LITTLE CHANGE. .FROM 15N TO 18N W OF 138W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE AND NW SWELL. .18 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE DESCRIBED ABOVE. .FROM 08N TO 12N BETWEEN 107W AND 115W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT IN SW SWELL. .24 HOUR FORECAST FROM 10N TO 15N BETWEEN 100W AND 106W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 10N TO 15N BETWEEN 106W AND 112W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. .42 HOUR FORECAST FROM 09N TO 16N BETWEEN 94W AND 109W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. .48 HOUR FORECAST FROM 09N TO 15N BETWEEN 99W AND 109W WINDS 20 KT OR LESS. SEAS 8 FT IN MERGING SW AND NW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 1515 UTC FRI OCT 18... .TROPICAL STORM OCTAVE...SCATTERED MODERATE WITHIN 60 NM W SEMICIRCLE...ALSO WITHIN 30 NM OF LINE FROM 10N125W TO 12N126W AND WITHIN 30 NM OF 10N130W AND 09N131W. .TROPICAL WAVE AXIS NEAR 83W N OF 02N...SCATTERED MODERATE FROM 03N TO 06N BETWEEN 80W AND 81W. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH AXIS FROM 10N86W TO 15N95W TO 15N105W TO LOW PRES NEAR 15N113W TO 10N124W. IT RESUMES WEST OF OCTAVE NEAR 10N130W TO 10N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 150 NM S OF TROUGH BETWEEN 96W AND 101W AND WITHIN 120 NM S OF TROUGH BETWEEN 135W AND 139W. SCATTERED MODERATE WITHIN 150 NM S OF TROUGH BETWEEN 101W AND 112W...WITHIN 120 NM SE AND S OF TROUGH BETWEEN 112W AND 115W AND ALSO BETWEEN 132W AND 135W. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.