NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/stdmet/hplm2/catalog.html

Dataset Size Last Modified
     Folder  hplm2   --
         hplm2.ncml 302.0 bytes 2017-11-15T16:15:19.652Z
         hplm2h2005.nc 440.0 Kbytes 2005-12-31T10:00:00Z
         hplm2h2006.nc 464.2 Kbytes 2006-12-19T17:00:00Z
         hplm2h2007.nc 290.6 Kbytes 2007-08-27T06:00:00Z

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