NCEI - Coasts & Oceans THREDDS Server Catalog https://www.ncei.noaa.gov/thredds-ocean/catalog/ncep/nww3/2008/03/at_4m/catalog.html

Dataset Size Last Modified
     Folder  at_4m   --
         multi_1.at_4m.wind.200803.grb2 24.72 Mbytes 2011-11-25T14:25:47Z
         multi_1.at_4m.tp.200803.grb2 12.77 Mbytes 2011-11-25T14:23:35Z
         multi_1.at_4m.hs.200803.grb2 11.99 Mbytes 2011-11-25T14:22:05Z
         multi_1.at_4m.dp.200803.grb2 16.18 Mbytes 2011-11-25T14:20:23Z

NCEI - Coasts & Oceans THREDDS Server at NOAA - National Centers for Environmental Information see Info
Documentation