CCI THREDDS Data Server Catalog https://data.cci.ceda.ac.uk/thredds/catalog/esacci/sea_state/data/v3_release/catalog.html

Dataset Size Last Modified
     Folder  v3_release   --
         Folder  sar/   --
         Folder  insitu/   --
         Folder  altimeter/   --

CCI THREDDS Data Server at CEDA see Info
Documentation