NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/swden/ducn7/catalog.html

Dataset Size Last Modified
     Folder  ducn7   --
         ducn7w1996.nc 2.330 Mbytes 2006-01-19T20:28:24Z
         ducn7w1997.nc 6.456 Mbytes 2006-01-19T20:28:24Z
         ducn7w1998.nc 5.990 Mbytes 2006-01-19T20:28:24Z
         ducn7w1999.nc 111.9 Kbytes 2006-01-19T20:28:24Z

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