* WHAT...Dangerous rip currents and breaking waves due to elevated surf of 3 to 6 feet on south-facing beaches expected. In addition, high astronomical tides of 7.5 to 7.9 feet are expected each evening through Monday. * WHERE...Ventura County Beaches, Malibu Coast, Los Angeles County Beaches, and Southern Santa Barbara County Beaches. * WHEN...From Saturday morning through Monday evening. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. Minor coastal flooding are possible in low-lying areas near the times of high tides.