NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/ocean/prto3/catalog.html

Dataset Size Last Modified
     Folder  prto3   --
         prto3o2011.nc 6.04 Kbytes 2011-08-04T05:00:00Z
         prto3o2012.nc 3.4 Kbytes 2012-04-25T11:00:00Z
         prto3o2014.nc 3.268 Kbytes 2014-02-14T04:30:00Z
         prto3o2015.nc 5.644 Kbytes 2015-09-30T10:30:00Z

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