680 FZPN03 KNHC 090915 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU AUG 9 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0600 UTC THU AUG 09. 24 HOUR FORECAST VALID 0600 UTC FRI AUG 10. 48 HOUR FORECAST VALID 0600 UTC SAT AUG 11. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM JOHN NEAR 23.7N 115.9W 990 MB AT 0900 UTC AUG 09 MOVING NW OR 305 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE...70 NM SE...50 NM SW AND 110 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER EXCEPT 240 NM SE QUADRANT WITH SEAS TO 28 FT. ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 18N TO 28N BETWEEN 108W AND 121W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM JOHN NEAR 25.9N 119.9W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE...50 NM SE...30 NM SW AND 60 NM NW QUADRANTS. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 150 NM OF CENTER WITH SEAS TO 20 FT. ELSEWHERE N OF 21N 115W AND 128W WINDS 20 KT OR LESS. SEAS 8 TO 10 KT IN MIXED SWELL. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 27.5N 123.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 90 NM OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE N OF 25N BETWEEN 120W AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .72 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 28.1N 125.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST...DISSIPATED. ...TROPICAL STORM WARNING... .TROPICAL STORM KRISTY NEAR 15.8N 130.1W 1000 MB AT 0900 UTC AUG 09 MOVING NNW OR 345 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NE AND 30 NM SE QUADRANTS. SEAS 12 FT OR GREATER WITHIN 60 NM E AND 30 NM W SEMICIRCLES WITH SEAS TO 15 FT. ELSEWHERE WITHIN 150 NM SE AND 90 NM NW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 19N BETWEEN 126W AND 132W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM KRISTY NEAR 17.6N 129.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM E AND 30 NM W SEMICIRCLES. SEAS 12 FT OR GREATER WITHIN 75 NM OF CENTER WITH SEAS TO 20 FT. ELSEWHERE WITHIN 135 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 240 NM OF CENTER WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM KRISTY NEAR 19.8N 128.9W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM E AND 30 NM W SEMICIRCLES. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO 20 FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 240 NM OF CENTER AND N OF 20N W OF 130W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST POST-TROPICAL KRISTY NEAR 21.4N 129.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST EXTRATROPICAL LOW KRISTY NEAR 21.4N 129.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .120 HOUR FORECAST EXTRATROPICAL LOW KRISTY NEAR 21.4N 129.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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. .GULF OF TEHUANTEPEC WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST GULF OF TEHUANTEPEC WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .48 HOUR FORECAST N OF 23N BETWEEN 130W AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0900 UTC THU AUG 9... .HURRICANE JOHN...SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM OF CENTER. .TROPICAL STORM KRISTY...SCATTERED MODERATE TO STRONG WITHIN 90 NM OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 180 NM NE OF CENTER. .TROPICAL WAVE ALONG 105W...SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF AXIS FROM 08N TO 13N. .TROPICAL WAVE ALONG 90W...SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF AXIS FROM 06N TO 08N. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 08N78W TO 09N88W TO 09N94W TO 11N100W TO 09N107W TO 13N123W...RESUMES FROM 13N133W TO 09N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 45 NM S OF AXIS W OF 133W. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.