‘Zero-visibility’ fog advisory issued in Metro Vancouver

Heavy fog is seen near the Alex Fraser Bridge in this DriveBC image posted Saturday morning.

Heavy fog is expected to remain over southwestern Metro Vancouver this weekend, according to Environment and Climate Change Canada.

In a fog advisory around 3:30 p.m. Saturday, the weather agency said “near-zero visibility” fog will continue in areas of Richmond, Delta and Tsawwassen through Sunday afternoon.

“Visibility will likely be suddenly reduced at times,” the alert reads. “If driving, turn on your lights, slow down and maintain a safe following distance.”

Transportation officials also warned drivers of dense fog on the Alex Fraser Bridge between Richmond, Delta and New Westminster and the Lions Gate Bridge between Vancouver and the North Shore Saturday afternoon.