NCEI - Coasts & Oceans THREDDS Server Catalog https://www.ncei.noaa.gov/thredds-ocean/catalog/ncep/nww3/2008/05/at_4m/catalog.html

Dataset Size Last Modified
     Folder  at_4m   --
         multi_1.at_4m.wind.200805.grb2 24.70 Mbytes 2011-11-25T14:25:52Z
         multi_1.at_4m.tp.200805.grb2 12.62 Mbytes 2011-11-25T14:23:37Z
         multi_1.at_4m.hs.200805.grb2 11.81 Mbytes 2011-11-25T14:22:07Z
         multi_1.at_4m.dp.200805.grb2 15.90 Mbytes 2011-11-25T14:20:26Z

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