The Coast Guard will enforce a special local regulation for the Catalina Ski Race on July 13, 2024, to provide for the safety of life on navigable waterways during this event. Our regulation for marine events within the Los Angeles-Long Beach Captain of the Port Zone identifies the regulated area for this event in Long Beach, CA to Santa Catalina Island, CA. During the enforcement periods, the operator of any vessel in the regulated area must comply with directions from the Patrol Commander or any Official Patrol displaying a Coast Guard ensign.
Source: Federal Register USCG
Link: Southern California Annual Marine Events for the Los Angeles Long Beach Captain of the Port Zone