National Centers for Environmental Information / National Operational Model Archive and Distribution System Catalog https://www.ncei.noaa.gov/thredds/catalog/model-gfs-004-files/202010/20201003/catalog.html

Dataset Size Last Modified
     Folder  20201003   --
         GFS Grid 4 2020-10-03 18:00 UTC fct:006.grb2 99.24 Mbytes 2020-10-04T08:40:34.881Z
         GFS Grid 4 2020-10-03 18:00 UTC fct:003.grb2 98.02 Mbytes 2020-10-04T08:40:36.272Z
         GFS Grid 4 2020-10-03 18:00 UTC fct:000.grb2 91.07 Mbytes 2020-10-04T08:40:35.897Z
         GFS Grid 4 2020-10-03 12:00 UTC fct:006.grb2 99.29 Mbytes 2020-10-03T20:42:19.554Z
         GFS Grid 4 2020-10-03 12:00 UTC fct:003.grb2 97.99 Mbytes 2020-10-03T20:42:21.217Z
         GFS Grid 4 2020-10-03 12:00 UTC fct:000.grb2 90.20 Mbytes 2020-10-03T20:42:21.097Z
         GFS Grid 4 2020-10-03 06:00 UTC fct:006.grb2 98.37 Mbytes 2020-10-03T20:42:21.286Z
         GFS Grid 4 2020-10-03 06:00 UTC fct:003.grb2 97.49 Mbytes 2020-10-03T20:42:20.396Z
         GFS Grid 4 2020-10-03 06:00 UTC fct:000.grb2 89.04 Mbytes 2020-10-03T20:42:20.434Z
         GFS Grid 4 2020-10-03 00:00 UTC fct:006.grb2 97.13 Mbytes 2020-10-03T08:40:33.009Z
         GFS Grid 4 2020-10-03 00:00 UTC fct:003.grb2 97.84 Mbytes 2020-10-03T08:40:33.307Z
         GFS Grid 4 2020-10-03 00:00 UTC fct:000.grb2 90.41 Mbytes 2020-10-03T08:40:32.766Z

NCEI-NC THREDDS Server at NCEI see Info
Documentation