NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/ocean/dmno3/catalog.html

Dataset Size Last Modified
     Folder  dmno3   --
         dmno3o2015.nc 30.14 Kbytes 2015-03-28T13:00:00Z

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