NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/stdmet/rcyf1/catalog.html

Dataset Size Last Modified
     Folder  rcyf1   --
         rcyf1.ncml 302.0 bytes 2017-11-15T16:15:20.076Z
         rcyf1h2016.nc 4.749 Mbytes 2016-12-31T23:54:00Z
         rcyf1h2017.nc 4.856 Mbytes 2017-12-31T23:54:00Z
         rcyf1h2018.nc 4.460 Mbytes 2018-11-30T23:54:00Z
         rcyf1h2019.nc 2.892 Mbytes 2019-08-05T13:54:00Z

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