The Coast Guard will enforce safety zones for annually reoccurring firework events taking place the first week of July 2024 in the Los Angeles-Long Beach Captain of the Port Zone. This action is necessary and intended to provide for the safety of life and property on the navigable waterways during these events. During enforcement periods, the operator of any vessel in the regulated area must comply with direction from the Patrol Commander or any official patrol vessels displaying a Coast Guard ensign.
Source: Federal Register USCG
Link: Southern California Annual Firework Events for the Los Angeles Long Beach Captain of the Port Zone