NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/stdmet/23020/catalog.html

Dataset Size Last Modified
     Folder  23020   --
         23020.ncml 302.0 bytes 2017-11-15T16:15:18.840Z
         23020h2008.nc 119.1 Kbytes 2008-12-31T22:50:00Z
         23020h2009.nc 489.9 Kbytes 2009-12-31T22:50:00Z
         23020h2010.nc 475.1 Kbytes 2010-12-18T11:50:00Z

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