000 FZNT02 KNHC 231609 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC SUN AUG 23 2020 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SUN AUG 23. 24 HOUR FORECAST VALID 1200 UTC MON AUG 24. 48 HOUR FORECAST VALID 1200 UTC TUE AUG 25. .WARNINGS. ...ATLC AND GULF OF MEXICO HURRICANE WARNING... .TROPICAL STORM LAURA NEAR 19.2N 73.2W 1004 MB AT 1500 UTC AUG 23 MOVING WNW OR 285 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E SEMICIRCLE...0 NM SW QUADRANT AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM S SEMICIRCLE...300 NM NE QUADRANT AND 210 NM NW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE OVER ATLC WATERS ATLC WITHIN 19N68W TO 20N73W TO 25N74W TO 26N70W TO 23N67W TO 19N68W...INCLUDING THE WINDWARD PASSAGE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. ELSEWHERE OVER CARIBBEAN WATERS WITHIN 16N68W TO 15N68W TO 15N71W TO 18N70W TO 18N68W TO 16N68W...INCLUDING THE MONA PASSAGE... SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NE SWELL. .24 HOUR FORECAST TROPICAL STORM LAURA NEAR CUBA NEAR 21.6N 79.9W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...80 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM NW QUADRANT. SEAS TO 12 FT IN OPEN WATERS WITHIN 120 NM IN THE NE QUADRANT. ELSEWHERE OVER ATLC WATERS WITHIN 24N75W TO 22N75W TO 22N77W TO 24N82W TO 27N79W TO 24N75W...INCLUDING THE STRAITS OF FLORIDA...WINDS 20 TO 33 KT. SEAS TO 9 FT. REMAINDER OF AREA OVER ATLC WATERS WITHIN 26N73W TO 23N73W TO 27N78W TO 29N78W TO 29N75W TO 26N73W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL. ELSEWHERE OVER CARIBBEAN WATERS WITHIN 20N78W TO 20N79W TO 21N81W TO 22N80W TO 22N79W TO 20N78W WINDS 20 TO 33 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST TROPICAL STORM LAURA OVER SE GULF OF MEXICO NEAR 24.1N 86.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 90W S SEMICIRCLES WITH SEAS TO 25 FT. ELSEWHERE WITHIN 24N82W TO 22N85W TO 24N88W TO 28N87W TO 28N84W TO 24N82W...INCLUDING THE STRAITS OF FLORIDA... E TO SE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. .60 HOUR FORECAST HURRICANE LAURA NEAR 25.3N 88.9W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .72 HOUR FORECAST HURRICANE LAURA NEAR 26.8N 91.4W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE LAURA INLAND NEAR 30.9N 94.0W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. .120 HOUR FORECAST TROPICAL DEPRESSION LAURA INLAND NEAR 35.7N 92.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. ...GULF OF MEXICO HURRICANE WARNING... .TROPICAL STORM MARCO NEAR 24.7N 87.3W 993 MB AT 1500 UTC AUG 23 MOVING NNW OR 340 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 20 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO 25 FT. ELSEWHERE WITHIN 24N85W TO 23N87W TO 25N89W TO 27N86W TO 26N85W TO 24N85W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. .12 HOUR FORECAST HURRICANE MARCO NEAR 26.4N 88.1W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. LITTLE CHANGE IN TROPICAL STORM FORCE WIND OR 12 FT SEAS RADII. .24 HOUR FORECAST HURRICANE MARCO NEAR 28.2N 89.1W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 20 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE AND 60 NM SW SEMICIRCLES WITH SEAS TO 29 FT. ELSEWHERE WITHIN 28N86W TO 26N89W TO 27N92W TO 28N93W TO 30N87W TO 28N86W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. .36 HOUR FORECAST TROPICAL STORM MARCO INLAND NEAR 29.5N 90.4W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. .48 HOUR FORECAST TROPICAL STORM MARCO INLAND NEAR 30.5N 92.1W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 20 NM NE QUADRANT. OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .60 HOUR FORECAST TROPICAL DEPRESSION MARCO INLAND NEAR 31.2N 93.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. .72 HOUR FORECAST TROPICAL DEPRESSION MARCO INLAND NEAR 31.8N 95.4W. 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 48 HOUR FORECAST WITHIN 19N35W TO 20N37W TO 24N35W TO 23N35W TO 19N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.