000 FZNT02 KNHC 230418 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC SUN AUG 23 2020 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC SUN AUG 23. 24 HOUR FORECAST VALID 0000 UTC MON AUG 24. 48 HOUR FORECAST VALID 0000 UTC TUE AUG 25. .WARNINGS. ...GULF OF MEXICO HURRICANE WARNING... .TROPICAL STORM MARCO NEAR 22.8N 86.3W 994 MB AT 0300 UTC AUG 23 MOVING NNW OR 335 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE QUADRANT...60 NM SE QUADRANT...10 NM SW QUADRANT...AND 30 NM NW 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 20 FT. ELSEWHERE WITHIN AREA BOUNDED BY 21N84W TO 20N86W TO 22N87W TO 23N87W TO 24N85W TO 21N84W...INCLUDING THE STRAITS OF FLORIDA AND THE YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .12 HOUR FORECAST HURRICANE MARCO NEAR 24.3N 87.1W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .24 HOUR FORECAST HURRICANE MARCO NEAR 26.3N 87.9W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...20 NM SW QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER OF MARCO WITH SEAS TO 27 FT. ELSEWHERE WITHIN AREA BOUNDED BY 24N87W TO 24N92W TO 28N92W TO 30N86W TO 27N85W TO 24N87W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST TROPICAL STORM MARCO INLAND NEAR 29.6N 90.4W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NW AND SE QUADRANTS...50 NM NE QUADRANT AND 10 NM SW QUADRANT. SEAS LESS THAN 12 FT. N OF 29N BETWEEN 88W AND 90W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL DEPRESSION MARCO INLAND NEAR 30.9N 93.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST...DISSIPATED. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM LAURA NEAR 18.3N 69.6W 1003 MB AT 0300 UTC AUG 23 MOVING WNW OR 285 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E SEMICIRCLE...0 NM SW QUADRANT AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM NW AND SE QUADRANTS...180 NM NE QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO 19 FT. ELSEWHERE WITHIN AREA BOUNDED BY 18N64W TO 17N67W TO 23N72W TO 24N66W TO 23N64W TO 18N64W...INCLUDING THE MONA PASSAGE...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM LAURA INLAND NEAR 20.6N 76.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...100 NM SE QUADRANT...0 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER WATERS OUTSIDE BAHAMAS WITHIN 60 NM NW AND SE QUADRANTS...210 NM NE QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO 19 FT. ELSEWHERE WITHIN AREA BOUNDED BY 22N69W TO 17N73W TO 23N79W TO 28N76W TO 28N71W TO 22N69W...INCLUDING THE WINDWARD PASSAGE...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT EXCEPT LESS THAN 8 FT WINDWARD PASSAGE. .48 HOUR FORECAST TROPICAL STORM LAURA OVER WATER NEAR 23.4N 83.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT OR GREATER OVER THE STRAITS OF FLORIDA WITHIN 120 NM NE QUADRANT...30 NM S SEMICIRCLE AND 90 NM NW QUADRANT WITH SEAS TO 23 FT NEAR CENTER OF LAURA. ELSEWHERE WITHIN AREA BOUNDED BY 23N80W TO 23N84W TO 27N83W TO 25N81W TO 26N79W TO 23N80W...INCLUDING THE STRAITS OF FLORIDA...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST HURRICANE LAURA NEAR 26.2N 88.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE LAURA INLAND NEAR 29.8N 91.2W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. .120 HOUR FORECAST TROPICAL DEPRESSION LAURA INLAND NEAR 34.7N 89.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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. .CARIBBEAN 48 HOUR FORECAST WITHIN 19N78W TO 20N81W TO 22N80W TO 22N79W TO 21N78W TO 19N78W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.