19.4.4. Pre-processing for coupled run# 19.4.4.1. CROCO preprocessing 19.4.4.2. WW3 pre-processing 19.4.4.2.1. WW3 GRIDGEN 19.4.4.2.2. Alternative 19.4.4.2.3. Wind, current, and water level forcings 19.4.4.3. WRF preprocessing 19.4.4.3.1. Running WPS 19.4.4.3.2. Running real.exe 19.4.4.3.3. Additional pre-processing for coupled runs 19.4.4.4. OASIS pre-processing