234 FZNT02 KNHC 151524 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC FRI SEP 15 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI SEP 15. 24 HOUR FORECAST VALID 1200 UTC SAT SEP 16. 48 HOUR FORECAST VALID 1200 UTC SUN SEP 17. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL DEPRESSION FIFTEEN NEAR 14.4N 43.8W 1007 MB AT 1500 UTC SEP 15 MOVING NW OR 320 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 19N39W TO 20N41W TO 19N45W TO 15N46W TO 13N45W TO 13N42W TO 19N39W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .12 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 15.5N 44.7W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...40 NM SE QUADRANT...0 NM NE QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE WITHIN 21N39W TO 21N45W TO 20N47W TO 16N47W TO 15N41W TO 18N38W TO 21N39W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 17.2N 46.0W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. LITTLE CHANGE IN TROPICAL STORM FORCE WINDS RADII. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE WITHIN 21N42W TO 22N44W TO 22N47W TO 18N49W TO 16N46W TO 19N42W TO 21N42W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 24N42W TO 24N50W TO 17N49W TO 15N42W TO 20N39W TO 24N42W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 20.5N 49.6W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 21 FT. ELSEWHERE WITHIN 24N45W TO 26N48W TO 25N52W TO 22N53W TO 18N49W TO 19N45W TO 24N45W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 26N41W TO 26N45W TO 25N54W TO 17N53W TO 16N49W TO 19N42W TO 26N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .60 HOUR FORECAST HURRICANE FIFTEEN NEAR 22.0N 51.2W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. .72 HOUR FORECAST HURRICANE FIFTEEN NEAR 23.4N 52.9W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE FIFTEEN NEAR 26.0N 56.8W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. .120 HOUR FORECAST HURRICANE FIFTEEN NEAR 29.0N 60.0W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 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 TROPICAL STORM MARGOT WELL N OF AREA. WITHIN 31N39W TO 31N48.5W TO 30.5N46.5W TO 30.5N43.5W TO 30.5N42.5W TO 31N39W WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL. .24 HOUR FORECAST CONDITIONS MERGED. .ATLC HURRICANE LEE WELL N OF AREA. WITHIN 31N60W TO 31N73W TO 30N68W TO 30N63W TO 31N60W SW TO W WINDS 20 TO 25 KT. SEAS 12 TO 20 FT IN NW TO N SWELL...EXCEPT N TO NE SWELL W OF 70W. ELSEWHERE WITHIN 31N51W TO 30N63W TO 31N81W TO 24N74W TO 22N57W TO 25N50W TO 31N51W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL...EXCEPT N TO NE SWELL W OF 70W. .24 HOUR FORECAST WITHIN 29N35W TO 31N80W TO 25N75W TO 23N64W TO 27N53W TO 29N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL...EXCEPT N TO NE SWELL W OF 68W. .48 HOUR FORECAST WITHIN 31N36W TO 31N74W TO 27N77W TO 22N65W TO 27N59W TO 25N39W TO 31N36W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW SWELL. .CARIBBEAN 30 HOUR FORECAST WITHIN 13N69W TO 13N73W TO 12N74W TO 11N73W TO 10N72W TO 11N69W TO 13N69W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.