943 FZNT02 KNHC 091004 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SUN SEP 09 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SUN SEP 09. 24 HOUR FORECAST VALID 0600 UTC MON SEP 10. 48 HOUR FORECAST VALID 0600 UTC TUE SEP 11. .WARNINGS. ...HURRICANE WARNING... .TROPICAL STORM FLORENCE NEAR 24.5N 55.8W 989 MB AT 0900 UTC SEP 09 MOVING W OR 270 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE QUADRANT...90 NM SE QUADRANT...120 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 180 NM NW AND 120 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 15 FT. REMAINDER OF AREA FROM 21N TO 30N BETWEEN 52W AND 61W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. .12 HOUR FORECAST HURRICANE FLORENCE NEAR 24.6N 56.7W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE...60 NM SE...30 NM SW AND 100 NM NW QUADRANTS. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 180 NM NW AND 90 NM SE SEMICIRCLES WITH SEAS TO 32 FT. REMAINDER OF AREA FROM 21N TO 31N BETWEEN 53W AND 63W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE FLORENCE NEAR 24.8N 58.3W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW QUADRANT...AND 100 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 210 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 35 FT. REMAINDER OF AREA N OF 22N BETWEEN 55W AND 65W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE FLORENCE NEAR 26.1N 63.1W. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW QUADRANT...AND 100 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 240 NM N AND 180 NM S SEMICIRCLES WITH SEAS TO 38 FT. REMAINDER OF AREA N OF 21N BETWEEN 58W AND 70W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE FLORENCE NEAR 28.2N 69.1W. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE FLORENCE NEAR 28.2N 69.1W. MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145 KT. .120 HOUR FORECAST HURRICANE FLORENCE INLAND NEAR 34.4N 77.9W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. ...HURRICANE WARNING... .TROPICAL STORM ISAAC NEAR 14.5N 38.1W 1001 MB AT 0900 UTC SEP 09 MOVING W OR 270 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER EXCEPT 30 NM SE QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 180 NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 13 FT. REMAINDER OF AREA FROM 12N TO 18N E OF 40W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM ISAAC NEAR 14.7N 41.9W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 45 NM OF CENTER WITH SEAS TO 22 FT. ELSEWHERE WITHIN 320 NM NE AND 150 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 17 FT. REMAINDER OF AREA FROM 12N TO 24N E OF 45W SEAS TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE ISAAC NEAR 14.7N 47.5W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM S SEMICIRCLE...70 NM NE QUADRANT AND 60 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 320 NM AND 150 NM S SEMICIRCLES OF CENTER WITH SEAS TO 30 FT. ELSEWHERE FROM 11N TO 22N BETWEEN 42W AND 52W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE ISAAC NEAR 14.7N 53.1W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE ISAAC NEAR 14.7N 53.1W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. .120 HOUR FORECAST HURRICANE ISAAC NEAR 15.3N 64.5W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. ...TROPICAL STORM WARNING... .ATLC 30 HOUR FORECAST HURRICANE HELENE E OF AREA NEAR 14.4N 30.4W. TROPICAL STORM FORCE WINDS AND 12 FT SEAS E OF AREA. OVER FORECAST WATERS E OF LINE FROM 18N35W TO 20N37W TO 23N35W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. .48 HOUR FORECAST HURRICANE E OF AREA NEAR 15.4N 34.5W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS OVER FORECAST WATERS WITHIN 120 NM N SEMICIRCLE...90 NM SE QUADRANT AND 60 NM SW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 360 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 33 FT. ELSEWHERE FROM 11N TO 24N E OF 41W WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SWELL. 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 MCELROY. NATIONAL HURRICANE CENTER.