National Centers for Environmental Information / National Operational Model Archive and Distribution System Catalog https://www.ncei.noaa.gov/thredds/catalog/model-gfs-004-files/202103/20210308/catalog.html

Dataset Size Last Modified
     Folder  20210308   --
         GFS Grid 4 2021-03-08 18:00 UTC fct:006.grb2 99.86 Mbytes 2021-03-09T10:02:30.268Z
         GFS Grid 4 2021-03-08 18:00 UTC fct:003.grb2 99.89 Mbytes 2021-03-08T21:41:11.139Z
         GFS Grid 4 2021-03-08 18:00 UTC fct:000.grb2 91.28 Mbytes 2021-03-08T21:41:15.455Z
         GFS Grid 4 2021-03-08 12:00 UTC fct:006.grb2 100.6 Mbytes 2021-03-08T21:41:14.560Z
         GFS Grid 4 2021-03-08 12:00 UTC fct:003.grb2 99.90 Mbytes 2021-03-08T21:41:29.073Z
         GFS Grid 4 2021-03-08 12:00 UTC fct:000.grb2 91.39 Mbytes 2021-03-08T21:41:11.482Z
         GFS Grid 4 2021-03-08 06:00 UTC fct:006.grb2 100.8 Mbytes 2021-03-08T21:41:11.692Z
         GFS Grid 4 2021-03-08 06:00 UTC fct:003.grb2 99.25 Mbytes 2021-03-08T21:41:14.521Z
         GFS Grid 4 2021-03-08 06:00 UTC fct:000.grb2 90.43 Mbytes 2021-03-08T21:41:11.302Z
         GFS Grid 4 2021-03-08 00:00 UTC fct:006.grb2 100.0 Mbytes 2021-03-08T21:41:15.956Z
         GFS Grid 4 2021-03-08 00:00 UTC fct:003.grb2 99.08 Mbytes 2021-03-08T21:41:18.432Z
         GFS Grid 4 2021-03-08 00:00 UTC fct:000.grb2 90.90 Mbytes 2021-03-08T21:41:16.562Z

NCEI-NC THREDDS Server at NCEI see Info
Documentation