NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/swden/48011/catalog.html

Dataset Size Last Modified
     Folder  48011   --
         48011w2000.nc 1.370 Mbytes 2006-01-19T20:28:24Z
         48011w2001.nc 1.725 Mbytes 2006-01-19T20:28:24Z

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