This study was conducted in March 2023 in the waters of Bengkalis, Bengkalis Regency, Riau Province. This research aims to determine the conditions and changes in currents, tides and waves during the 10-year period 2013-2022. As well as secondary data coming from Marine Copernicus for current and wave data processed using the application OpenGradsthe end result being a map from which the tides …