NCEI - Coasts & Oceans THREDDS Server Catalog https://www.ncei.noaa.gov/thredds-ocean/catalog/ncep/nww3/2009/11/at_4m/catalog.html

Dataset Size Last Modified
     Folder  at_4m   --
         multi_1.at_4m.wind.200911.grb2 23.83 Mbytes 2011-11-25T14:26:32Z
         multi_1.at_4m.tp.200911.grb2 12.24 Mbytes 2011-11-25T14:23:59Z
         multi_1.at_4m.hs.200911.grb2 11.59 Mbytes 2011-11-25T14:22:27Z
         multi_1.at_4m.dp.200911.grb2 15.55 Mbytes 2011-11-25T14:20:52Z

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