Channel Islands Harbor is holding its annual Concerts by the Sea each Saturday from July 6 through August 31, 2019. Each performance in the free summer concert series will be held from 4 p.m. to 6 p.m. at Peninsula Park, 3401 Peninsula Rd, Oxnard at the Channel Islands Harbor, next to the Hampton Inn. Free parking is available at the park and along the street. Visitors can enjoy a wide array of musical styles, including jazz, rock, folk, pop, country and…