NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/dart/23461/catalog.html

Dataset Size Last Modified
     Folder  23461   --
         23461.ncml 300.0 bytes 2019-03-20T13:00:01Z
         23461t2017.nc 351.7 Kbytes 2017-10-31T23:45:00Z
         23461t2019.nc 422.0 Kbytes 2019-12-31T23:45:00Z
         23461t2020.nc 406.9 Kbytes 2020-12-31T23:45:00Z
         23461t2021.nc 245.7 Kbytes 2021-07-31T23:45:00Z
         23461t9999.nc 1.037 Mbytes 2021-09-08T18:00:00Z

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