000 FZNT02 KNHC 210331 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC MON AUG 21 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC MON AUG 21. 24 HOUR FORECAST VALID 0000 UTC TUE AUG 22. 48 HOUR FORECAST VALID 0000 UTC WED AUG 23. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM EMILY NEAR 20.5N 40.2W 1001 MB AT 0300 UTC AUG 21 MOVING WNW OR 300 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...180 NM NE QUADRANT AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE...60 NM SE QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 19 FT. ELSEWHERE WITHIN 24N36W TO 25N41W TO 21N43W TO 20N41W TO 21N36W TO 24N36W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 22N35W TO 24N43W TO 22N44W TO 18N43W TO 17N40W TO 19N36W TO 22N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM EMILY NEAR 21.5N 43.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...0 NM S SEMICIRCLE...120 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM NE QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 23N42W TO 24N43W TO 24N44W TO 22N45W TO 22N42W TO 23N42W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 27N40W TO 28N42W TO 26N46W TO 21N49W TO 19N46W TO 22N41W TO 27N40W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .36 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 22.4N 45.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 23.6N 47.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 25N46W TO 26N47W TO 26N48W TO 25N49W TO 24N49W TO 23N46W TO 25N46W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .72 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 27.5N 49.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 32.9N 50.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .120 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 39.0N 49.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. ...CARIBBEAN AND ATLC TROPICAL STORM WARNING... .TROPICAL STORM FRANKLIN NEAR 14.9N 68.3W 999 MB AT 0300 UTC AUG 21 MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM S SEMICIRCLE...60 NM NE QUADRANT AND 30 NM NW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 18N65W TO 18N71W TO 15N71W TO 14N66W TO 16N64W TO 18N65W...INCLUDING IN MONA PASSAGE...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM FRANKLIN NEAR 15.3N 71.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE WITHIN 17N66W TO 18N70W TO 17N73W TO 14N71W TO 14N68W TO 15N66W TO 17N66W...INCLUDING IN MONA PASSAGE...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 16N73W TO 18N73W TO 17N75W TO 15N75W TO 14N72W TO 15N72W TO 16N73W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM FRANKLIN INLAND NEAR 18.1N 71.4W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM E SEMICIRCLE...40 NM SW QUADRANT AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM S SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE WITHIN 18N68W TO 19N70W TO 18N72W TO 17N71W TO 15N71W TO 15N69W TO 18N68W...INCLUDING IN MONA PASSAGE...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 16N68W TO 16N71W TO 18N73W TO 18N74W TO 13N73W TO 14N69W TO 16N68W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM FRANKLIN NEAR 21.9N 69.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM FRANKLIN NEAR 24.3N 67.0W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. .120 HOUR FORECAST HURRICANE FRANKLIN NEAR 26.2N 64.4W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 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 DEPRESSION SIX NEAR 16.7N 55.7W 1008 MB AT 0300 UTC AUG 21 MOVING WNW OR 285 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 19N53W TO 20N56W TO 18N58W TO 16N56W TO 17N54W TO 19N53W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .12 HOUR FORECAST POST-TROPICAL REMNANT LOW SIX NEAR 16.8N 57.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .24 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. .ATLC AND CARIBBEAN WITHIN 20N72W TO 21N71W TO 20N74W TO 19N76W TO 19N75W TO 20N73W TO 20N72W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 21N72W TO 20N74W TO 19N76W TO 18N75W TO 21N72W...INCLUDING BETWEEN CUBA AND JAMAICA...NE WINDS 20 TO 25 KT. SEAS 8 FT. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .GULF OF MEXICO 12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 24N91W 1007 MB. WITHIN 28N88W TO 29N89W TO 28N90W TO 27N91W TO 26N90W TO 26N89W TO 28N88W E TO SE WINDS 20 TO 25 KT. SEAS 8 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 25N93W 1007 MB. WITHIN 28N89W TO 30N92W TO 30N94W TO 26N96W TO 26N93W TO 25N90W TO 28N89W E TO SE WINDS 20 TO 30 KT. SEAS 8 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 ERA. NATIONAL HURRICANE CENTER.