ICDC TDS Catalog https://icdc.cen.uni-hamburg.de/thredds/catalog/ftpthredds/EASYInit/ORA-S4/catalog.html

Dataset Size Last Modified
     Folder  ORA-S4   --
         Folder  monthly_1x1/   --
         Folder  monthly_orca1/   --
         Folder  orca1_coordinates/   --

ICDC TDS at Integrated Climate Data Center (ICDC) / University of Hamburg see Info
Documentation