668 FZNT02 KNHC 100340 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC SUN SEP 10 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SUN SEP 10. 24 HOUR FORECAST VALID 0000 UTC MON SEP 11. 48 HOUR FORECAST VALID 0000 UTC TUE SEP 12. .WARNINGS. ...ATLC HURRICANE WARNING... .HURRICANE LEE NEAR 21.0N 59.9W 962 MB AT 0300 UTC SEP 10 MOVING WNW OR 300 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM E SEMICIRCLE...80 NM SW QUADRANT AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE AND SW QUADRANTS...300 NM NW QUADRANT AND 180 NM SE QUADRANT WITH SEAS TO 36 FT. ELSEWHERE WITHIN 24N57W TO 25N60W TO 23N63W TO 21N62W TO 19N58W TO 20N56W TO 24N57W WINDS 20 TO 33 KT. SEAS 12 TO 18 FT IN SE SWELL. REMAINDER OF AREA WITHIN 30N56W TO 29N62W TO 22N68W TO 16N61W TO 18N55W TO 23N53W TO 30N56W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE LEE NEAR 22.4N 62.3W. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E SEMICIRCLE...100 NM SW QUADRANT AND 130 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM N AND 180 NM S SEMICIRCLES WITH SEAS TO 40 FT. ELSEWHERE WITHIN 24N58W TO 26N61W TO 26N63W TO 22N65W TO 20N62W TO 21N59W TO 24N58W WINDS 20 TO 33 KT. SEAS 13 TO 20 FT IN SE SWELL. REMAINDER OF AREA WITHIN 30N58W TO 31N64W TO 26N70W TO 19N69W TO 17N61W TO 21N56W TO 30N58W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE LEE NEAR 23.3N 64.7W. MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E SEMICIRCLE...120 NM SW QUADRANT AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NW AND 300 NM SE SEMICIRCLES WITH SEAS TO 45 FT. ELSEWHERE WITHIN 26N61W TO 28N66W TO 24N68W TO 21N66W TO 20N62W TO 23N59W TO 26N61W WINDS 20 TO 33 KT. SEAS 14 TO 24 FT IN SE TO S SWELL. REMAINDER OR AREA WITHIN 31N57W TO 31N70W TO 27N75W TO 18N68W TO 18N56W TO 24N53W TO 31N57W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 16 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE LEE NEAR 24.0N 66.6W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE LEE NEAR 25.6N 68.0W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. .120 HOUR FORECAST HURRICANE LEE NEAR 28.8N 68.3W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM MARGOT NEAR 21.6N 39.1W 1000 MB AT 0300 UTC SEP 10 MOVING NW OR 315 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 15 NM S SEMICIRCLE...120 NM NE QUADRANT AND 60 NM NW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 24N37W TO 24N38W TO 24N40W TO 21N41W TO 21N38W TO 21N37W TO 24N37W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN SE SWELL. REMAINDER OF AREA WITHIN 24N35W TO 26N39W TO 22N43W TO 20N43W TO 19N40W TO 19N35W TO 24N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM MARGOT NEAR 23.9N 40.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 60 NM S SEMICIRCLES WITH SEAS TO 20 FT. ELSEWHERE WITHIN 26N36W TO 27N39W TO 26N42W TO 24N43W TO 22N40W TO 23N37W TO 26N36W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN SE SWELL. REMAINDER OF AREA WITHIN 26N36W TO 28N41W TO 27N45W TO 23N46W TO 20N45W TO 22N36W TO 26N36W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM MARGOT NEAR 27.0N 40.9W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM N AND 150 NM S SEMICIRCLES WITH SEAS TO 25 FT. ELSEWHERE WITHIN 30N39W TO 31N41W TO 29N44W TO 26N44W TO 24N40W TO 27N35W TO 30N39W WINDS 20 TO 33 KT. SEAS 13 TO 17 FT IN SE SWELL. REMAINDER OF AREA WITHIN 27N35W TO 31N38W TO 30N48W TO 23N48W TO 22N42W TO 24N36W TO 27N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .60 HOUR FORECAST HURRICANE MARGOT NEAR 28.8N 41.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .72 HOUR FORECAST HURRICANE MARGOT NEAR 30.7N 41.1W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE MARGOT NEAR 34.0N 41.2W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. .120 HOUR FORECAST HURRICANE MARGOT NEAR 36.0N 40.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 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 08N35W TO 08N37W TO 08N37W TO 07N39W TO 07N35W TO 08N35W WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL. .18 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 STRIPLING. NATIONAL HURRICANE CENTER.