000 FZNT02 KNHC 220417 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC SAT AUG 22 2020 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SAT AUG 22. 24 HOUR FORECAST VALID 0000 UTC SUN AUG 23. 48 HOUR FORECAST VALID 0000 UTC SUN AUG 24. .WARNINGS. ...ATLC TROPICAL STORM WARNING... .TROPICAL STORM LAURA NEAR 17.0N 63.5W 1008 MB AT 0300 UTC AUG 22 MOVING WNW OR 285 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 30 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 17N59W TO 17N62W TO 19N62W TO 21N61W TO 19N59W TO 17N59W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 18N56W TO 17N59W TO 20N62W TO 22N59W TO 21N57W TO 18N56W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM LAURA NEAR 18.4N 69.3W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE QUADRANT...100 NM SE QUADRANT...0 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM WINDS WITH SEAS TO 21 FT. ELSEWHERE WITHIN 19N65W TO 18N67W TO 20N70W TO 23N70W TO 24N66W TO 19N65W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 22N62W TO 19N64W TO 21N64W TO 23N68W TO 24N65W TO 22N62W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM LAURA INLAND NEAR 20.8N 76.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...60 NM SE QUADRANT...0 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORMS FORCE WINDS WITH SEAS TO 23 FT. ELSEWHERE WITHIN 20N75W TO 22N78W TO 24N77W TO 24N74W TO 23N73W TO 20N75W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 23N68W TO 21N71W TO 24N75W TO 27N73W TO 26N69W TO 23N68W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM LAURA OVER WATER NEAR 23.8N 83.3W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE LAURA OVER WATER NEAR 26.5N 87.7W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .120 HOUR FORECAST HURRICANE LAURA OVER WATER NEAR 29.2N 90.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. ...CARIBBEAN AND GULF OF MEXICO TROPICAL STORM WARNING... .TROPICAL STORM MARCO NEAR 18.7N 84.9W 1003 MB AT 0300 UTC AUG 22 MOVING NNW OR 330 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER EXCEPT 80 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 30 NM NE QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 16N84W TO 16N85W TO 17N85W TO 21N84W TO 17N83W TO 16N84W WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST TROPICAL STORM MARCO OVER YUCATAN CHANNEL NEAR 21.1N 86.7W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT... AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM WINDS WITH SEAS TO 20 FT. ELSEWHERE WITHIN 19N85W TO 19N88W TO 21N87W TO 24N86W TO 21N85W TO 19N85W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST TROPICAL STORM MARCO NEAR 24.4N 89.5W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM WINDS WITH SEAS TO 23 FT. ELSEWHERE WITHIN 22N87W TO 22N90W TO 24N90W TO 24N88W TO 23N86W TO 22N87W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL STORM MARCO NEAR 27.5N 92.8W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM MARCO INLAND NEAR 29.0N 95.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. .120 HOUR FORECAST TROPICAL DEPRESSION MARCO INLAND NEAR 30.0N 97.4W. 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. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.