NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/oceansites/deployment_data/STATION-M/catalog.html

Dataset Size Last Modified
     Folder  STATION-M   --
         OS_STATION-M-1_194810_D_CTD.nc 3.802 Mbytes 2014-09-30T13:31:30Z
         OS_STATION-M-1_195304_D_OCTD.nc 4.509 Mbytes 2014-09-30T13:31:41Z

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