NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/ocean/pvgf1/catalog.html

Dataset Size Last Modified
     Folder  pvgf1   --
         pvgf1o2009.nc 142.4 Kbytes 2009-12-31T23:00:00Z
         pvgf1o2010.nc 289.6 Kbytes 2010-11-30T23:00:00Z
         pvgf1o2011.nc 273.7 Kbytes 2011-10-20T14:00:00Z

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