1D Hydrodynamics for Global Water Level Prediction of tidal variations is of importance in a wide range of practical applications such as: Navigation through inter-coastal waterways, and within estuaries, bays, and harbors; fishing, etc. KCIS APPs is a general-purpose, state-of-the-art water levels prediction app. It allows user to setup station in Arabian Gulf for Hydrodynamics Prediction. And it is capable of estimating the water level variation due to tides at a number of stations in the Global waters. The KCIS app was validated with other model for water levels prediction it was found to provide good results.For More Information On the KCIS Apps Goto Website at address: http://www.hceatkuwait.net/request/Data_iphone.htm