NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/dart/34420/catalog.html

Dataset Size Last Modified
     Folder  34420   --
         34420.ncml 300.0 bytes 2017-11-15T16:15:18Z
         34420t2015.nc 142.0 Kbytes 2015-12-31T23:45:00Z
         34420t2016.nc 423.1 Kbytes 2016-12-31T23:45:00Z
         34420t2017.nc 421.9 Kbytes 2017-12-31T23:45:00Z
         34420t2018.nc 421.9 Kbytes 2018-12-31T23:45:00Z
         34420t2019.nc 211.1 Kbytes 2019-07-31T23:45:00Z

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