264 FZNT02 KNHC 130940 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU SEP 13 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 0600 UTC THU SEP 13. 24 HOUR FORECAST VALID 0600 UTC FRI SEP 14. 48 HOUR FORECAST VALID 0600 UTC SAT SEP 15. .WARNINGS. ...HURRICANE WARNING... .HURRICANE FLORENCE N OF AREA NEAR 32.8N 74.7W 956 MB AT 0900 UTC SEP 13 MOVING NW OR 315 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM NE...150 NM SE...110 NM SW AND 140 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 240 NM S SEMICIRCLE...330 NM NE QUADRANT AND 300 NM NW QUADRANT WITH SEAS TO 50 FT. ELSEWHERE OVER FORECAST WATERS WINDS 20 TO 33 KT WITHIN 210 NM S SEMICIRCLE. REMAINDER OF AREA WITHIN 420 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE FLORENCE N OF AREA NEAR 34.2N 77.4W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS AND 12 FT SEAS N OF THE AREA. ELSEWHERE WITHIN 360 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM FLORENCE INLAND NEAR 34.1N 79.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS AND 12 FT SEAS N OF THE AREA. .72 HOUR FORECAST TROPICAL DEPRESSION FLORENCE INLAND NEAR 33.9N 81.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL DEPRESSION FLORENCE NEAR 33.9N 81.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .120 HOUR FORECAST TROPICAL DEPRESSION FLORENCE NEAR 33.9N 81.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. ...HURRICANE WARNING... .HURRICANE HELENE NEAR 23.5N 37.3W 986 MB AT 0900 UTC SEP 13 MOVING N OR 355 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM S SEMICIRCLE...150 NM NE QUADRANT AND 120 NM NW QUADRANT. SEAS 12 FT OR GREATER AND WINDS 20 TO 33 KT WITHIN 240 NM OF CENTER... WITH SEAS TO 32 FT. REMAINDER OF AREA FROM 15N TO 29N E OF 48W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM HELENE NEAR 29.1N 36.9W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE QUADRANTS...140 NM NE QUADRANT AND 80 NM SW QUADRANT. SEAS 12 FT OR GREATER AND WINDS 20 TO 33 KT WITHIN 210 NM OF CENTER... WITH SEAS TO 30 FT. REMAINDER OF AREA N OF 22N E OF 60W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM HELENE N OF AREA NEAR 35.8N 34.7W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS AND 12 FT SEAS N OF THE AREA. .72 HOUR FORECAST TROPICAL STORM HELENE NEAR 40.7N 28.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM HELENE NEAR 40.7N 28.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. .120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HELENE NEAR 51.1N 10.8W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. ...TROPICAL STORM WARNING... .TROPICAL STORM ISAAC NEAR 15.4N 59.7W 1006 MB AT 0900 UTC SEP 13 MOVING W OR 275 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM N SEMICIRCLE. SEAS 12 FT OR GREATER AND WINDS 20 TO 33 KT WITHIN 150 NM N AND 30 NM S SEMICIRCLES...WITH SEAS TO 20 FT. REMAINDER OF AREA FROM 13N TO 23N BETWEEN 53W AND 64W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM ISAAC NEAR 15.5N 64.8W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 120 NM NE QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 120 NM N AND 30 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 15N TO 24N BETWEEN 58W AND 68W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM ISAAC NEAR 15.4N 70.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 60 NM NE QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 75 NM N AND 15 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. .72 HOUR FORECAST TROPICAL STORM ISAAC NEAR 15.6N 74.8W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL DEPRESSION ISAAC NEAR 15.6N 74.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST...DISSIPATED. ...TROPICAL STORM WARNING... .SUBTROPICAL STORM JOYCE N OF AREA NEAR 33.8N 43.1W 1006 MB AT 0900 UTC SEP 13 MOVING SW OR 220 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE...120 NM SE...240 NM SW AND 300 NM NW QUADRANTS WITH SEAS TO 18 FT. N OF 29N E OF 53W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL. .24 HOUR FORECAST TROPICAL STORM JOYCE N OF AREA NEAR 32.6N 44.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE...0 NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 12 FT OR GREATER AND WINDS 20 TO 33 KT N OF AREA. .48 HOUR FORECAST TROPICAL STORM JOYCE N OF AREA NEAR 32.1N 43.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM OF CENTER. SEAS 12 FT OR GREATER AND WINDS 20 TO 33 KT N OF AREA. N OF 30N BETWEEN 40W AND 47W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW TO N SWELL. .72 HOUR FORECAST TROPICAL STORM JOYCE NEAR 34.6N 39.4W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM JOYCE NEAR 34.6N 39.4W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. .120 HOUR FORECAST...DISSIPATED. 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. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.