ABSTRACK Pasumpahan Island is an area that is affected by currents, waves, and sedimentation processes. Pasumpahan Island is close to the Indian Ocean and the mouth of the Pisang River. This causes shoreline changes, such as abrasion and accretion. This study aims to determine the effect of currents, waves, and sedimentation processes on the rate of shoreline change for 30 years (1991-2021…