Rachel Batters SoCal Tropical Storm Rachel's swells and king tides are shredding the Southern California coast. Here's what's happening. Photo: Pexels (file photo)

What Is Rachel? Rachel was a Category 1 hurricane, downgraded to a tropical storm on Thursday. It never made landfall — but its swells are doing the damage. Photo: Unsplash via Wikimedia Commons (file photo)

Boardwalk Shredded Waves tore apart sections of the Long Beach Peninsula boardwalk Friday morning, sending chunks of wood floating out to sea. Photo: Grand Welcome (file photo)

Mandatory Evacuation Long Beach ordered evacuations for Seaside Walk between 64th and 66th Place — from 7pm Friday through noon Tuesday. Photo: Visit Long Beach (file photo)

Homes Red-Tagged At least 8 buildings red-tagged as unsafe, one yellow-tagged. One beachfront home is on the verge of collapsing into the Pacific. Photo: kmf via Wikimedia Commons (file photo)

Newport Beach Closes All Beaches Newport Beach declared an emergency as Rachel's swells flooded the Balboa Peninsula. All beaches are closed. Photo: Don Ramey Logan via Wikimedia Commons (file photo)

Crews Fight Back Crews filled an exposed bulkhead section with 1,000 sandbags and deployed a crane Saturday to reinforce the damaged coastline. Photo: S.C. National Guard via Wikimedia Commons (file photo)

Third Storm in Six Weeks Rachel follows Hurricane Marie and Hurricane Polo — and years of erosion have left the coast with almost no beach buffer. Photo: Mbz1 via Wikimedia Commons (file photo)

15,000 Sandbags Long Beach has handed out 7,600 sandbags for Rachel — about 15,000 total across the three storms. Photo: Infrogmation via Wikimedia Commons (file photo)

Sunday: Worst Still Coming The National Weather Service warns the greatest danger hits Sunday, when stronger swells combine with 8-foot high tides. Photo: Pexels (file photo)

Malibu on Alert Forecasters say the most likely areas for damaging flooding are vulnerable south-facing beaches — Long Beach and Malibu in particular. Photo: LA County Beaches (file photo)

Stay Clear A coastal flood advisory runs through Tuesday. Officials urge residents to avoid flooded streets and heed all warnings. Photo: California Coastal Commission king tides gallery (file photo)