NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/wlevel/46050/catalog.html

Dataset Size Last Modified
     Folder  46050   --
         46050l1997.nc 45.43 Kbytes 1997-09-30T23:00:00Z

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