NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/swden/41121/catalog.html

Dataset Size Last Modified
     Folder  41121   --
         41121w9999.nc 26.66 Mbytes 2024-04-16T10:00:00Z

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