Transcript for Huge Swells of Waves Continue to Pound East and West Coast
Back here at home, those two monster storms are churning out at sea. Massive waves and powerful rip currents are battering shorelines with some beaches forced to close as the labor day weekend approaches. Nick watt shows us the damage caused by two storms. Reporter: The biggest southern swells since 1996 continue to pound the California coast. The iconic lifeguard station at sycamore cove north of L.A. Is no more, ripped from the cliffside by the waves. It's like watching a friend go down in the water. Reporter: Wednesday was dubbed big Wednesday. L.a. County lifeguards rescued 172 people. Today, they're pulling towers back from the water just in case, cleaning up the beaches and patrolling the waves. Slightly smaller Thursday? Slightly smaller. But we've still got really big waves, strong currents. When the swell drops it looks more inviting, but we still have really big rip tides. Reporter: Foolhardy surfers are back in. Waves kicked up by tropical storm Marie 800 miles offshore. I wanted to make the drop, but it didn't work out that well at all. Reporter: In malibu, the famous pier still closed with damaged pilings. In Long Beach, makeshift coastal defenses are holding. Meanwhile, on the east coast, red flag warnings in New Jersey. Beaches from New York to Rhode Island closed. Hurricane christobal will likely pass down the coast tonight and those beaches will likely open tomorrow in time for the holiday weekend. Amy, the surf is subsiding but L.A. County life guards so they're getting all hands on deck for this holiday weekend. Because the waves are still big the weather is great and the crowds will be nor mouse.
This transcript has been automatically generated and may not be 100% accurate.