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

Dataset Size Last Modified
     Folder  WHOTS   --
         OS_WHOTS_200408-201809_D_FLTS-1H.nc 14.86 Mbytes 2021-03-17T15:14:31Z
         OS_WHOTS_200408-201809_D_MLTS-1H.nc 13.87 Mbytes 2021-03-17T15:14:31Z
         OS_WHOTS_200408-201809_D_MLTS-1M.nc 35.87 Kbytes 2021-03-17T15:14:31Z

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