000 FKPZ23 KNHC 232041 TCAPZ3 TROPICAL STORM MARTY ICAO ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132021 2100 UTC MON AUG 23 2021 TC ADVISORY DTG: 20210823/2100Z TCAC: KNHC TC: MARTY ADVISORY NR: 2021/003 OBS PSN: 23/2100Z N2054 W11406 MOV: W 13KT INTST CHANGE: INTSF C: 1002HPA MAX WIND: 040KT FCST PSN +6 HR: 24/0300Z N2057 W11530 FCST MAX WIND +6 HR: 040KT FCST PSN +12 HR: 24/0900Z N2100 W11648 FCST MAX WIND +12 HR: 040KT FCST PSN +18 HR: 24/1500Z N2100 W11800 FCST MAX WIND +18 HR: 035KT FCST PSN +24 HR: 24/2100Z N2100 W11906 FCST MAX WIND +24 HR: 035KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20210824/0300Z $$