Dense Fog Advisory California | Effective 03/18/2026 05:19

Headline: 
Dense Fog Advisory issued March 18 at 5:19AM PDT until March 18 at 8:00AM PDT by NWS Eureka CA
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 18, 2026 - 5:19am
Expires: 
March 18, 2026 - 8:00am
Description: 
* WHAT...Visibility one quarter mile or less in patchy dense fog. * WHERE...Mendocino Coast including portions of hwy 1. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Visibility may change rapidly going in and out of the fog.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
Mendocino Coast
Forcast Office: 
NWS Eureka CA
Sender: 
w-nws.webmaster@noaa.gov