CCHE-GUI is a user-friendly Graphic User’s Interface developed for CCHE2D and CCHE3D numerical models. It visualizes graphically simulation results in a horizontal plan and in 3D views. All of the 2D and 3D models and their modules are operated interactively by the GUI. Once the mesh is generated, one only need to enter a few parameters to run the simulation. The simulation results can be output as images, data files, x-y plots and videos.