Dense Fog Advisory for Southern California Until Saturday Morning
The National Weather Service (NWS) Los Angeles/Oxnard office has issued a dense fog advisory in effect until 9 a.m. Saturday. The advisory covers several regions, including:
- San Luis Obispo County Beaches
- San Luis Obispo County Inland Central Coast
- Santa Barbara County Central Coast Beaches
- Santa Barbara County Inland Central Coast
- Santa Ynez Valley
- Santa Barbara County Southwestern Coast
- Santa Barbara County Southeastern Coast
- Ventura County Beaches
- Ventura County Inland Coast
- Malibu Coast
Visibility and Safety Concerns
The NWS warns that visibility may drop to one quarter mile or less due to dense fog, which could create hazardous driving conditions.
"Visibility one quarter mile or less in dense fog."
"Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you."
What a Dense Fog Advisory Means
A dense fog advisory is issued when widespread dense fog reduces visibility to a quarter of a mile or less, significantly increasing travel difficulty. The NWS advises taking extra caution on the roads or avoiding driving if possible.
Driving Tips in Foggy Conditions
- Reduce your speed.
- Use your headlights (not high beams).
- Maintain extra distance from the vehicle ahead.
Source: The National Weather Service
This story was originally published November 1, 2025 at 2:38 AM.
Summary: Dense fog will reduce visibility across Southern California, posing significant risks for drivers until Saturday morning; caution and reduced speed are strongly advised.