AVILA BEACH, Calif. (KEYT) - As temperatures continue to soar near record-breaking numbers across the Central Coast, local beaches are expected to draw thousands of visitors over the weekend. With big crowds expected, local beaches are increasing staffing in an effort to boost public safety during the heat wave. "There's going to be a lot of, activity, here on the beaches," said Nicholi Mackewicz, San Luis Obispo County Fire Department/CAL FIRE …