NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/stdmet/grbl1/catalog.html

Dataset Size Last Modified
     Folder  grbl1   --
         grbl1.ncml 302.0 bytes 2017-11-15T16:15:19.635Z
         grbl1h2015.nc 223.3 Kbytes 2015-12-31T00:00:00Z
         grbl1h2016.nc 264.4 Kbytes 2016-12-31T23:00:00Z
         grbl1h2017.nc 330.3 Kbytes 2017-10-07T22:00:00Z

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