844 PM PST Fri Jan 12 2018 Los Angeles County Coast including Downtown Los Angeles- Catalina and Santa Barbara Islands- Including the cities of Malibu, Santa Monica, Beverly Hills, Hollywood, Long Beach, and Avalon 844 PM PST Fri Jan 12 2018 .NOW... Patchy dense fog will impact immediate portions of the Los Angeles County coast and Catalina Island through midnight. Visibilities of one quarter mile or less can be expected at times, impacting portions of Highway 1 and Interstate 10. Motorists should slow down, use low beam headlights, and increase the following distance. Fog should begin to lift some after midnight.