NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/stdmet/hmra2/catalog.html

Dataset Size Last Modified
     Folder  hmra2   --
         hmra2h9999.nc 6.238 Mbytes 2021-09-16T06:30:00Z

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