HYCOM.org Catalog http://wcs.hycom.org/thredds/catalog/datasets/force/NOGAPS/nogaps0.5a/catalog.html

Dataset Size Last Modified
     Folder  nogaps0.5a   --
         Folder  3hourly/   --
         Folder  real-time/   --

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