NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/ocean/42031/catalog.html

Dataset Size Last Modified
     Folder  42031   --
         42031o2018.nc 56.22 Kbytes 2018-11-20T02:01:00Z
         42031o2019.nc 52.26 Kbytes 2019-06-24T17:31:00Z
         42031o2020.nc 14.46 Kbytes 2020-08-24T13:00:00Z

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