NCEI - Coasts & Oceans THREDDS Server Catalog https://www.ncei.noaa.gov/thredds-ocean/catalog/ghrsst/GDS2/catalog.html

Dataset Size Last Modified
     Folder  GDS2   --
         Folder  L4/   --
         Folder  L3U/   --
         Folder  L3S/   --
         Folder  L3C/   --
         Folder  L2P/   --

NCEI - Coasts & Oceans THREDDS Server at NOAA - National Centers for Environmental Information see Info
Documentation