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

Dataset Size Last Modified
     Folder  DATA_GRIDDED   --
         Folder  DYFAMED/   --
         Folder  IMOS-EAC/   --
         Folder  KEO/   --
         Folder  MOVE/   --
         Folder  NTAS/   --
         Folder  PAPA/   --
         Folder  PIRATA/   --
         Folder  RAMA/   --
         Folder  SLBC/   --
         Folder  Stratus/   --
         Folder  TRITON/   --
         Folder  WHOTS/   --

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