NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/ocean/sauf1/catalog.html

Dataset Size Last Modified
     Folder  sauf1   --
         sauf1o2006.nc 233.8 Kbytes 2006-12-31T23:00:00Z

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