000 FZPN03 KNHC 212121 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC FRI JUL 21 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI JUL 21. 24 HOUR FORECAST VALID 1800 UTC SAT JUL 22. 48 HOUR FORECAST VALID 1800 UTC SUN JUL 23. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM GREG NEAR 14.9N 120.7W 1003 MB AT 2100 UTC JUL 21 MOVING W OR 275 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 45 NM S SEMICIRCLE...90 NM NE QUADRANT AND 75 NM NW QUADRANT WITH SEAS TO 16 FT. ELSEWHERE WITHIN 150 NM OF CENTER...EXCEPT 90 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 12N TO 18N BETWEEN 116W AND 123W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM GREG NEAR 15.3N 124.6W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 19 FT. ELSEWHERE WITHIN 150 NM OF CENTER...EXCEPT 120 SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 10N TO 19N BETWEEN 121W AND 128W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM GREG NEAR 15.6N 129.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE WITHIN 180 NM OF CENTER...EXCEPT 150 SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 08N TO 22N BETWEEN 124W AND 135W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM GREG NEAR 15.8N 132.4W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM GREG NEAR 16.8N 135.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .120 HOUR FORECAST TROPICAL STORM GREG NEAR 18.0N 138.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. ...HURRICANE WARNING... .TROPICAL DEPRESSION NINE-E NEAR 9.0N 94.7W 1008 MB AT 2100 UTC JUL 21 MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 11 FT. WITHIN 150 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .12 HOUR FORECAST TROPICAL STORM NINE-E NEAR 9.3N 96.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. .24 HOUR FORECAST TROPICAL STORM NINE-E NEAR 10.0N 98.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER...EXCEPT 45 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 120 NM OF CENTER...EXCEPT 60 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF THE AREA FROM 05N TO 07N BETWEEN 93W AND 100W S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST HURRICANE NINE-E NEAR 12.5N 102.0W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...75 NM SE QUADRANT...60 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER...EXCEPT 120 NM NE QUADRANT WITH SEAS TO 26 FT. ELSEWHERE WITHIN 120 NM OF CENTER...EXCEPT 150 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. .72 HOUR FORECAST HURRICANE NINE-E NEAR 14.5N 104.5W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE NINE-E NEAR 16.0N 107.5W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. .120 HOUR FORECAST HURRICANE NINE-E NEAR 17.5N 111.0W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 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. .TROPICAL STORM FERNANDA W OF AREA. FROM 10N TO 21N W OF 138W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .12 HOUR FORECAST CONDITIONS MOVED W OF AREA. .LOW PRES NEAR 12N127W 1010 MB. WITHIN 180 NM NW QUADRANT OF LOW CENTER WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST LOW PRES DISSIPATED. CONDITIONS MERGED WITH GREG. .LOW PRES NEAR 14N110W 1008 MB. WITHIN 90 NM OF CENTER...EXCEPT 120 SE QUADRANT OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14N113W 1008 MB. WITHIN 90 NM OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 14N115W 1008 MB. WITHIN 90 NM OF LOW CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .N OF 14N BETWEEN 94W AND 96W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 9 FT. .12 HOUR FORECAST LITTLE CHANGE. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .12 HOUR FORECAST FROM 10.5N TO 12N E OF 88W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 2100 UTC FRI JUL 21... .TROPICAL STORM GREG...SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM NE QUADRANT OF CENTER. .TROPICAL DEPRESSION NINE-E...SCATTERED MODERATE TO STRONG WITHIN 150 NM NW QUADRANT OF CENTER. CLUSTER OF MODERATE TO ISOLATED STRONG WITHIN 45 NM OF 12N96W. SCATTERED MODERATE ISOLATED STRONG IS ELSEWHERE FROM 07N TO 13N BETWEEN 94W AND 99W. .LOW PRES NEAR 14N110W...SCATTERED MODERATE ISOLATED STRONG FROM 12N TO 15N BETWEEN 109W AND 113W. .LOW PRES NEAR 12N127W...SCATTERED MODERATE WITHIN 120 NM S QUADRANT OF LOW CENTER. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM THE COAST OF COLOMBIA AT 08N78W TO THE COAST OF COSTA RICA AT 10N85W TO 09N91W. THE MONSOON TROUGH BREAKS DOWN IN THE VICINITY OF NEWLY FORMED T.D. NINE-E AND A SURFACE LOW NEAR 14N110W...THEN RESUMES FROM 14N120W TO THE REMNANT LOW OF T.D. EIGHT-E NEAR 12N127W TO 12N131W. THE ITCZ EXTENDS FROM 12N131W TO 10N140W. EXCEPT NOTED WITH THE SYSTEMS DESCRIBED ABOVE...MINIMAL CONVECTION IS ASSOCIATED WITH THE TROUGH AXIS. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.