NCDDC Catalog http://ecowatch.ncddc.noaa.gov/thredds/catalog_rtofs.html

Dataset Size Last Modified
     Folder  RTOFS Volume/   --
     Folder  RTOFS Surface/   --
     Folder  RTOFS Nowcast/Forecast   --
         Folder  RTOFS Aggregation Surface/   --
         Folder  RTOFS Aggregation Volume/   --
     Folder  RTOFS archive at NODC/   --

NCDDC Ocean NOMADS at NCDDC see Info
THREDDS Data Server [Version 4.3.14 - 20121121.1109] Documentation