NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/ocean/knoh1/catalog.html

Dataset Size Last Modified
     Folder  knoh1   --
         knoh1o2009.nc 137.6 Kbytes 2009-12-31T23:30:00Z
         knoh1o2010.nc 510.1 Kbytes 2010-11-30T23:50:00Z
         knoh1o2011.nc 480.9 Kbytes 2011-12-31T23:50:00Z
         knoh1o2012.nc 98.78 Kbytes 2012-01-31T23:50:00Z

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