Argo data are freely available from US-Godae and Coriolis GDAC sites with ftp, https or s3 protocols

GDAC FTP

• ftp://ftp.ifremer.fr/ifremer/argo

GDAC HTTPS

• https://data-argo.ifremer.fr
• https://usgodae.org/pub/outgoing/argo

GDAC S3

• Argo data are updated daily on https://registry.opendata.aws/argo-gdac-marinedata 

All data files are in NetCDF profile and multi-profile format.

• Description of the data format, Argo user's manual: http://dx.doi.org/10.13155/29825 
• US-GODAE GDAC web site

GDACs are updated in real-time and delayed mode with data from Data Assembly Centers (DACs).

The Argo ftp site provides 3 "views" of the data profiles:

• DAC
  • a directory per data assembly center
  • a directory per profiler
  • a file per profile of the profiler
• GEO
  • a directory per ocean
  • a directory per year in the ocean
  • a directory per month of the year
  • a directory per day of the month
  • a file per profile of the day
• LATEST_DATA
  • a directory per year
  • a directory per month of the year
  • a directory per day of the month
  • a file per profile of the day

File name conventions

R_XXXXXXX_YYYYMMDD_HHMM.nc

• R : R for real time data, D for delayed mode data
• XXXXXXX : float wmo number
• YYYYMMDD_HHMM : date and time of the profile
• nc : netcdf format

Contacts

• Argo Support centre: support@argo.net
• Coriolis GDAC: codac@ifremer.fr