California Moderate Dense Fog Advisory | Effective 10/03/2026 02:02

Headline: 
Dense Fog Advisory issued October 3 at 2:02AM PDT until October 3 at 9:00AM PDT by NWS San Francisco CA
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
October 3, 2026 - 2:02am
Expires: 
October 3, 2026 - 9:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Southern Monterey Bay and the Big Sur Coast, and San Francisco Peninsula Coast. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast
Forcast Office: 
NWS San Francisco CA
Sender: 
w-nws.webmaster@noaa.gov