NCEI - Coasts & Oceans THREDDS Server Catalog https://www.ncei.noaa.gov/thredds-ocean/catalog/ncep/nww3/2014/08/at_4m/catalog.html

Dataset Size Last Modified
     Folder  at_4m   --
         multi_1.at_4m.wind.201408.grb2 24.66 Mbytes 2015-01-29T15:41:29Z
         multi_1.at_4m.tp.201408.grb2 12.60 Mbytes 2015-01-29T15:41:28Z
         multi_1.at_4m.hs.201408.grb2 11.59 Mbytes 2015-01-29T15:41:28Z
         multi_1.at_4m.dp.201408.grb2 15.88 Mbytes 2015-01-29T15:41:28Z

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