NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/ocean/gptw1/catalog.html

Dataset Size Last Modified
     Folder  gptw1   --
         gptw1o2011.nc 1.318 Mbytes 2011-12-31T23:54:00Z
         gptw1o2012.nc 3.118 Mbytes 2012-12-30T23:48:00Z
         gptw1o2013.nc 3.361 Mbytes 2013-12-31T23:54:00Z
         gptw1o2014.nc 3.573 Mbytes 2014-12-31T23:54:00Z
         gptw1o2015.nc 834.6 Kbytes 2015-03-26T18:24:00Z

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