NCEI - Coasts & Oceans THREDDS Server Catalog https://www.ncei.noaa.gov/thredds-ocean/catalog/ncep/nww3/2012/07/at_4m/catalog.html

Dataset Size Last Modified
     Folder  at_4m   --
         multi_1.at_4m.wind.201207.grb2 24.61 Mbytes 2012-10-06T21:52:31Z
         multi_1.at_4m.tp.201207.grb2 12.53 Mbytes 2012-10-06T21:52:31Z
         multi_1.at_4m.hs.201207.grb2 11.60 Mbytes 2012-10-06T21:52:30Z
         multi_1.at_4m.dp.201207.grb2 15.68 Mbytes 2012-10-06T21:52:30Z

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