753 FZNT02 KNHC 161454 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC SAT SEP 16 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SAT SEP 16. 24 HOUR FORECAST VALID 1200 UTC SUN SEP 17. 48 HOUR FORECAST VALID 1200 UTC MON SEP 18. .WARNINGS. ...ATLC HURRICANE WARNING... .TROPICAL DEPRESSION FIFTEEN NEAR 19.7N 46.2W 1006 MB AT 1500 UTC SEP 16 MOVING NNW OR 330 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 90 NM NE QUADRANT WITH SEAS TO 12 FT. ELSEWHERE WITHIN 21N42W TO 23N43W TO 22N48W TO 19N49W TO 17N47W TO 18N43W TO 21N42W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 21N39W TO 25N45W TO 24N49W TO 17N48W TO 16N47W TO 16N42W TO 21N39W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .12 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 21.3N 47.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...20 NM SE QUADRANT...0 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE SEMICIRCLE AND 0 NM SW SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE WITHIN 24N44W TO 24N48W TO 23N50W TO 19N49W TO 19N45W TO 21N43W TO 24N44W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 23N41W TO 25N43W TO 27N49W TO 21N52W TO 17N49W TO 18N41W TO 23N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 23.2N 49.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...60 NM SE QUADRANT...20 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE WITH SEAS TO 19 FT. ELSEWHERE WITHIN 26N46W TO 26N50W TO 25N52W TO 21N52W TO 19N47W TO 21N45W TO 26N46W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 31N37W TO 31N51W TO 28N50W TO 25N53W TO 19N52W TO 19N44W TO 31N37W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE FIFTEEN NEAR 26.2N 52.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...80 NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE WITH SEAS TO 33 FT. ELSEWHERE WITHIN 25N46W TO 29N49W TO 27N55W TO 22N55W TO 21N48W TO 25N46W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 31N46W TO 29N54W TO 31N59W TO 22N57W TO 19N52W TO 22N44W TO 31N46W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE FIFTEEN NEAR 28.9N 56.0W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE FIFTEEN NEAR 32.8N 58.3W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. .120 HOUR FORECAST HURRICANE FIFTEEN NEAR 37.0N 55.2W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 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. .ATLC WITHIN 30N35W TO 29N80W TO 21N69W TO 27N54W TO 28N38W TO 30N35W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW SWELL .24 HOUR FORECAST WITHIN 30N73W TO 26N75W TO 27N68W TO 23N65W TO 28N63W TO 30N73W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NE AND NW SWELL. .48 HOUR FORECAST CONDITIONS MERGED WITH WARNING SECTION. .CARIBBEAN 06 HOUR FORECAST WITHIN 12N69W TO 13N72W TO 12N74W TO 11N73W TO 11N72W TO 12N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.