Dense fog advisory in place for North Bay until Wednesday midday visibility as low as 1/4 mile
Dense fog will reduce visibility to a quarter mile or less through 11 a.m. Wednesday, producing hazardous driving conditions and requiring extreme caution.
Dense fog advisory for San Francisco Peninsula Coast and Northern Monterey Bay until Tuesday morning
Dense fog reducing visibility to a quarter-mile or less creates hazardous driving conditions; drivers should slow down, use low-beams, and maintain large following distances.
