000 FZPN03 KNHC 181545 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU AUG 18 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SYNOPSIS VALID 1200 UTC THU AUG 18. 24 HOUR FORECAST VALID 1200 UTC FRI AUG 19. 48 HOUR FORECAST VALID 1200 UTC SAT AUG 20. .WARNINGS. ...HURRICANE WARNING... .HURRICANE GREG NEAR 18.5N 111.5W 980 MB AT 1500 UTC AUG 18 MOVING WNW OR 285 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 75 NM N SEMICIRCLE...65 NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE QUADRANT...90 NM SE QUADRANT...45 NM SW QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 27 FT. .24 HOUR FORECAST HURRICANE GREG NEAR 19.1N 116.0W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N SEMICIRCLE...75 NM SE QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN WITHIN 180 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 30 FT. .48 HOUR FORECAST TROPICAL STORM GREG NEAR 19.2N 120.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N SEMICIRCLE...65 NM SE QUADRANT AND 55 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 21 FT. .72 HOUR FORECAST TROPICAL STORM GREG NEAR 19.0N 122.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL DEPRESSION GREG NEAR 19.0N 124.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST POST-TROPICAL REMNANT LOW GREG NEAR 19.0N 126.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. ...TROPICAL STORM WARNING... .TROPICAL STORM FERNANDA NEAR 13.7N 141.0W 994 MB AT 1500 UTC AUG 18 MOVING WNW OR 300 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 100 NM NE QUADRANT...30 NM SE QUADRANT...75 NM SW QUADRANT...AND 110 NM NW QUADRANT WITH SEAS TO 21 FT. .06 HOUR FORECAST CONDITIONS TO MOVE W OF AREA. .SYNOPSIS AND FORECAST. .EXCEPT AS NOTED IN GREG WARNING...WITHIN 180 NM NE AND 90 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST EXCEPT AS NOTED IN GREG WARNING...WITHIN 240 NM N AND 120 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST EXCEPT AS NOTED IN GREG WARNING...WITHIN 210 NM N AND 120 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .EXCEPT AS NOTED IN FERNANDA WARNING...OVER FORECAST WATERS FROM 08N TO 18N W OF 136W WINDS 20 TO 33 KT. SEAS TO 12 FT. .06 HOUR FORECAST OVER FORECAST WATERS FROM 08N TO 18N W OF 137W WINDS 20 TO 33 KT. SEAS TO 10 FT. .24 HOUR FORECAST OVER FORECAST WATERS FROM 15N TO 18N W OF 139W NE TO E WINDS 20 KT. SEAS 8 FT. .30 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .LOW PRES NEAR 14N119W 1007 MB DRIFTING W. WITHIN 210 NM NW SEMICIRCLE OF LOW NE WINDS 20 KT. SEAS TO 8 FT. FROM 08N TO 13N BETWEEN 113W AND 122W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN SW SWELL. .24 HOUR FORECAST LOW DISSIPATED. FROM 09N TO 15N BETWEEN 114W AND 125W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST FROM 09N TO 15N BETWEEN 117W AND 129W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .ELSEWHERE S OF 16N FROM 111W TO 122W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN S SWELL. .24 HOUR FORECAST ELSEWHERE S OF 15N BETWEEN 110W AND 120W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN S SWELL. .48 HOUR FORECAST ELSEWHERE S OF 15N BETWEEN 112W AND 126W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN S SWELL. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. CONVECTION VALID AS OF 1500 UTC THU AUG 18... .HURRICANE GREG...NUMEROUS MODERATE TO STRONG WITHIN 60 NM N AND 180 NM S SEMICIRCLE. .LOW PRES NEAR 14N119W...NUMEROUS MODERATE TO STRONG WITHIN 90 NM NE AND 270 NM SW SEMICIRCLES. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH ANALYZED FROM 10N83W TO 08N91W TO 13N99W...THEN RESUMES FROM 17N113W TO 11N127W TO 13N131W. SCATTERED MODERATE TO STRONG N OF 06N E OF 88W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG N OF 10N BETWEEN 92W AND 101W. SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM S OF AXIS FROM 88W TO 100W AND BETWEEN 113W TO 125W. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.