USGS Catalog http://geoport.usgs.esipfed.org/thredds/multi_catalog_all.html


Dataset Size Last Modified
     Folder  NOAA-WW3   --
         NCEP WaveWatch III: Atlantic (4 min grid)   --
         NCEP WaveWatch III: Atlantic (10 min grid)   --

THREDDS at USGS WHCMSC see Info
Documentation