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Download the code and utilities

Recommended download for non-developers is the last stable release:

• CROCO source code: stable release (v2.1.1) : September 26, 2025
• Python pre-/post-processing CROCO_PYTOOLS: stable release (v2.0.3) : February 04, 2026
• Matlab pre-/post-processing CROCO_TOOLS: stable release (v2.1.1) : September 26, 2025
  

Developers can refer to the “Access for developers” section of the About page.

Source code Change Log and other available releases

• CROCO full changelogs and releases list
• CROCO_TOOLS full changelogs and releases list
• CROCO_PYTOOLS full changelogs and releases list

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Join the CROCO users mailing list

We strongly encourage all users to join our mailing list (low traffic; announcements, updates, bug fixes): croco-users@lists.gforge.inria.fr

• To subscribe, simply send an email to croco-users-joinNO SPAM -- FILTER@NO SPAM -- FILTERlists.gforge.inria.fr
• To unsubscribe, simply send an email to croco-users-leaveNO SPAM -- FILTER@NO SPAM -- FILTERlists.gforge.inria.fr

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Documentation

• CROCO’s documentation and tutorials
• CROCO_PYTOOLS (Python) documentation
• CROCO_TOOLS (Matlab) documentation

You can also visit CROCO users forum for discussions, and questions about the code and tools.

Training slides

training presentations

Next training sessions: see the Trainings page.

Additional notes

• CROCO time stepping (Florian Lemarié) : PDF
• CROCO NBQ time stepping (Francis Auclair, Laurent Debreu) : PDF

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Download useful datasets and example configurations

Some configuration examples and associated forcing and output pre-built files used for trainings can be downloaded hereafter.

Warning: between a few 10 Mb to 100 Gb. Use of wget is recommended

Climatological datasets and atlases

CROCO_TOOLS uses several datasets also available for download: all datasets (8.9G) DATASETS_CROCOTOOLS.tar.gz [ last update : 03/09/2024 ] or inidividually:

• CARS2009.tar.gz (7.7G)
• COADS05.tar.gz (103M)
• GOT99.2.tar.gz (8.9M)
• gshhs.tar.gz (256M)
• m_map1.4f.tar.gz (126M)
• QuikSCAT_clim.tar.gz (43M)
• SeaWifs.tar.gz
• SST_pathfinder.tar.gz (14M)
• Topo.tar.gz (101M)
• TPXO6.tar.gz (145M) [ 03/09/2024 updated version : add units attribute ]
• TPXO7.tar.gz (148M) [ 03/09/2024 updated version : add units attribute ]
• WOA2009.tar.gz (219M) [ 03/01/2022 updated version ]
  • bug in o2 fields units corrected
• WOAPISCES.tar.gz (306M) [ 14/02/2024 updated version ]
  • DUST_INCA_new_r360x180.nc
  • Ndep_CMIP_NCAR-CCMI-2-0_gn_199001-201012-clim.nc files

Some Global Datasets for interannual preprocessing

• MERCATOR GLORYS 1/4° monthly reanalysis oceanic forcings in a special format compliant with Matlab croco_tools (1.7 Gb/month):
  • MERCATOR_201210
  • MERCATOR_201211
  • MERCATOR_201212
  • MERCATOR_201301
  • MERCATOR_201302
  • MERCATOR_201303
• ERA5 6-hourly atmospheric forcings in a special format compliant with Matlab croco_tools (~2Gb/month):
  • ERA5_201210
  • ERA5_201211
  • ERA5_201212
  • ERA5_201301
  • ERA5_201302
  • ERA5_201303
  • ERA5_201304
• CFSR or CFSV2 grib2 atmospheric forcing files for 2013/01 — 2013/03, useful for coupling with WRF tutorials (4.4 Gb/month)
  • CFSV2_201301
  • CFSV2_201302
  • CFSV2_201303
  • CFSR_200501
  • CFSR_200502
  • CFSR_200503
• Global static ‘geog’ to build WRF grid using geogrid.exe (2.6 Gb)

Some idealized test cases

• BASIN test case
• BASIN (with XIOS)
• Kelvin-Helmotlz intability test case (NBQ)
• Rip Current test case

BENGUELA_LR Regional configuration (#define REGIONAL in cppdefs.h)

• Input files for BENGUELA_LR configuration ( Y2005M01 — Y2005M03 )
  • CROCO (~350 Mb)
  • WRF (750 Mb)
  • WW3 (230 Mb)
  • TOY-MODEL ( 1.3 Gb)

• BENGUELA region datasets for preprocessing ( Y2005M01 — Y2005M04 )
  • for CROCO_TOOLS
    • atmo. forcings:
      • CFSR (0.75°, 6 hourly, 380 Mb)
      • ERA-I (1/4°, 6 hourly, 110 Mb)
      • ERA5 (1/4°, 6 hourly, 40 Mb)
    • oceanic forcings:
      • SODA 1/2 monthly reanalysis (1 Mb)
      • MERCATOR GLORYS 1/12 monthly reanalysis ( 40 Mb)
  • for REAL.EXE
    • CFSR ‘met’ files (for real.exe) (639 Mb) + WRF grid (geo_em.d01.nc) (1.9 Mb)

• Full BENGUELA_LR configuration examples
  • Forced interanual configuration: (1 Gb) Y2005M01-Y2005M03, using the classical framework based on run_inter_croco.bash script
  • Coupled (WRF-CROCO) interanual configuration: (2.1 Gb) Y2005M01-Y2005M03, using the updated framework for coupled simulations based on submitjob.sh script

Coastal configuration (#define COASTAL in cppdefs.h)

• Coastal configuration : “Vilaine” (38 Mb)

CROCOlive, tutorials and Docker from A. Sepulveda

http://mosa.dgeo.udec.cl/LiveCROCO/

https://github.com/AndresSepulveda/docker-croco-public/blob/master/Dockerfile