NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/swden/42038/catalog.html

Dataset Size Last Modified
     Folder  42038   --
         42038w2004.nc 5.279 Mbytes 2006-01-19T20:28:16Z
         42038w2005.nc 7.622 Mbytes 2005-12-31T23:00:00Z
         42038w2006.nc 2.705 Mbytes 2006-04-30T23:00:00Z

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