Add Us On Google Add as a preferred source on Google SAUVIE ISLAND, Ore. (KPTV) - Hot temperatures expected this weekend will draw crowds to Sauvie Island beaches, but visitors should prepare for conditions that include no natural shade and cold water with strong currents. The beach along the Columbia River has no shade, requiring visitors to bring their own cover to avoid sunburn and overheating. The water remains very cold and contains deep pockets and strong currents.