NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/swden/51100/catalog.html

Dataset Size Last Modified
     Folder  51100   --
         51100w2009.nc 6.041 Mbytes 2009-12-31T23:00:00Z
         51100w2010.nc 8.249 Mbytes 2010-12-31T23:00:00Z
         51100w2011.nc 6.716 Mbytes 2011-12-31T23:00:00Z
         51100w2012.nc 2.189 Mbytes 2012-12-30T10:00:00Z
         51100w2013.nc 1.830 Mbytes 2013-12-31T16:00:00Z
         51100w2014.nc 554.9 Kbytes 2014-12-30T16:00:00Z
         51100w2015.nc 58.40 Kbytes 2015-04-26T17:00:00Z

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