000 FZNT02 KNHC 011009 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC FRI SEP 1 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 0600 UTC FRI SEP 1. 24 HOUR FORECAST VALID 0600 UTC SAT SEP 2. 48 HOUR FORECAST VALID 0600 UTC SUN SEP 3. .WARNINGS. ...ATLC GALE WARNING... ...ATLC TROPICAL STORM WARNING... .POST-TROPICAL CYCLONE IDALIA NEAR 32.6N 69.8W 998 MB AT 0900 UTC SEP 01 MOVING ESE OR 110 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM N SEMICIRCLE AND 180 NM S SEMICIRCLE. WITHIN 31N68.5W TO 31N74W TO 30.5N73.5W TO 30N71.5W TO 30N70W TO 31N68.5W W WINDS 30 TO 40 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 31N65W TO 31N70W TO 31N75W TO 29N73W TO 28N69W TO 29N67W TO 31N65W W WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 31N75W TO 31N78W TO 29N75W TO 28N72W TO 28N70W TO 29N73W TO 31N75W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .12 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IDALIA NEAR 31.8N 67.9W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IDALIA NEAR 31.0N 66.3W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE QUADRANT...0 NM SE QUADRANT...90 NM SW QUADRANT...AND 150 NM NW QUADRANT. WITHIN 31N67.5W TO 31N68.5W TO 30.5N68.5W TO 30.5N68W TO 30.5N67.5W TO 31N67.5W NW TO N WINDS 30 TO 35 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 31N63W TO 31N72W TO 28N70W TO 28N64W TO 31N63W W TO NW WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 31N59W TO 28N70W TO 31N73W TO 31N80W TO 25N75W TO 25N66W TO 31N59W... INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM IDALIA NEAR 31.7N 63.6W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM S SEMICIRCLE...130 NM NE QUADRANT AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER S OF 31N WITHIN 200 NM SW QUADRANT AND 105 NM SE QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 31N59W TO 31N68W TO 30N67W TO 28N63W TO 28N62W TO 31N59W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 31N57W TO 30N80W TO 24N74W TO 24N68W TO 28N59W TO 31N57W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM IDALIA NEAR 34.6N 60.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST EXTRATROPICAL LOW IDALIA POST-TROP/EXTRATROP NEAR 37.0N 58.7W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .120 HOUR FORECAST EXTRATROPICAL LOW IDALIA POST-TROP/EXTRATROP NEAR 38.5N 59.3W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. ...ATLC TROPICAL STORM WARNING... .TROPICAL DEPRESSION GERT NEAR 28.7N 55.0W 1008 MB AT 0900 UTC SEP 01 MOVING E OR 090 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 29N54W TO 29N56W TO 28N56W TO 27N56W TO 27N55W TO 28N54W TO 29N54W WINDS 20 TO 30 KT. SEAS 8 FT .12 HOUR FORECAST TROPICAL STORM GERT NEAR 28.7N 54.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .24 HOUR FORECAST TROPICAL STORM GERT NEAR 29.1N 53.1W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. WITHIN 29N52W TO 30N54W TO 28N54W TO 28N53W TO 29N52W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. .36 HOUR FORECAST TROPICAL DEPRESSION GERT NEAR 29.7N 52.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .48 HOUR FORECAST TROPICAL DEPRESSION GERT NEAR 30.7N 52.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 31N50W TO 31N53W TO 30N53W TO 29N52W TO 29N51W TO 30N50W TO 31N50W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .72 HOUR FORECAST TROPICAL DEPRESSION GERT NEAR 34.7N 51.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 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. .ATLC HURRICANE FRANKLIN NEAR 37.8N 57.0W 983 MB AT 0900 UTC SEP 01 MOVING ENE OR 060 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS N OF AREA. WITHIN 31N53W TO 31N62W TO 29N59W TO 29N56W TO 31N53W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN WITHIN 13N70W TO 15N72W TO 15N75W TO 14N76W TO 12N76W TO 11N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20 TO 25 KT. SEAS 8 FT. .24 HOUR FORECAST WITHIN 13N73W TO 14N75W TO 13N76W TO 11N76W TO 11N74W TO 12N73W TO 13N73W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AREINHART. NATIONAL HURRICANE CENTER.