National Centers for Environmental Information / National Operational Model Archive and Distribution System Catalog https://www.ncei.noaa.gov/thredds/catalog/model-gfs-004-files/202006/20200628/catalog.html

Dataset Size Last Modified
     Folder  20200628   --
         GFS Grid 4 2020-06-28 18:00 UTC fct:006.grb2 102.0 Mbytes 2020-06-29T08:40:29.957Z
         GFS Grid 4 2020-06-28 18:00 UTC fct:003.grb2 101.1 Mbytes 2020-06-29T08:40:29.039Z
         GFS Grid 4 2020-06-28 18:00 UTC fct:000.grb2 93.15 Mbytes 2020-06-29T08:40:29.100Z
         GFS Grid 4 2020-06-28 12:00 UTC fct:006.grb2 102.4 Mbytes 2020-06-28T20:40:45.115Z
         GFS Grid 4 2020-06-28 12:00 UTC fct:003.grb2 101.4 Mbytes 2020-06-28T20:40:43.026Z
         GFS Grid 4 2020-06-28 12:00 UTC fct:000.grb2 92.93 Mbytes 2020-06-28T20:40:41.297Z
         GFS Grid 4 2020-06-28 06:00 UTC fct:006.grb2 102.6 Mbytes 2020-06-28T20:40:45.021Z
         GFS Grid 4 2020-06-28 06:00 UTC fct:003.grb2 102.0 Mbytes 2020-06-28T20:40:43.230Z
         GFS Grid 4 2020-06-28 06:00 UTC fct:000.grb2 93.60 Mbytes 2020-06-28T20:40:42.631Z
         GFS Grid 4 2020-06-28 00:00 UTC fct:006.grb2 103.3 Mbytes 2020-06-28T08:40:26.347Z
         GFS Grid 4 2020-06-28 00:00 UTC fct:003.grb2 101.9 Mbytes 2020-06-28T08:40:25.762Z
         GFS Grid 4 2020-06-28 00:00 UTC fct:000.grb2 93.12 Mbytes 2020-06-28T08:40:25.607Z

NCEI-NC THREDDS Server at NCEI see Info
Documentation