Abstract
The construction of the floodway of Krueng Aceh river mouth in Indonesia decreases the discharge of the river leading to develop a sand spit at the mouth. The sand spit in turn causes river mouth clogging and troubles in navigation. Nears hore current field near the mouth has complex distribution due to complexity of the topography near the mouth. In this paper, the wave deformation and near-shore current to evaluate sedimentation near the mouth was analyzed by means of datacollection, interview and field reconnaissance.