NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/adcp2/46081/catalog.html

Dataset Size Last Modified
     Folder  46081   --
         46081a2010.nc 4.471 Mbytes 2011-07-29T20:36:17Z
         46081a2011.nc 1.100 Mbytes 2011-07-29T19:58:01Z

National Data Buoy Center THREDDS Server at National Data Buoy Center see Info
THREDDS Data Server [Version 4.6.14 - 2019-07-23T11:04:31-0600] Documentation