GEORGE TOWN: Residents of coastal areas and those near rivers in Penang are urged to stay alert as a high tide phenomenon is predicted from Oct 18 to 21, says state Irrigation and Drainage Department (DID) director Datuk Mohd Nazri Yasmin.
Based on tide tables, Penang waters are expected to reach tide levels between 2.8m and 3.1m CD (chart datum), with peak times between midnight and early morning.
