HYCOM.org Catalog http://wcs.hycom.org/thredds/catalogs/GLBu0.08/reanalysis.html

Dataset Size Last Modified
     Folder  GOFS 3.0: HYCOM + NCODA Global 1/12° Reanalysis   --
         Folder  GLBu0.08/reanalysis   --
             ALL Data: 1992-10-02 to 2012-12-31 at 00Z   --
             ALL Data: 1992-10-02 to 2012-12-31 (3-hrly)   --

hycom-wcs1 Web Coverage Service (WMS) at HYCOM.org see Info
Documentation