A dense fog advisory was issued by the National Weather Service on Friday at 2:08 a.m. in effect until 9 a.m. for Orange County Coast.

The NWS San Diego CA says to prepare for, “Visibility one quarter mile or less in dense fog.”

“Low visibility could make driving conditions hazardous,” the NWS said. “If driving, slow down, use your headlights, and leave plenty of distance ahead of you.”

Fog safety: Tips from the NWS for safe travels

When a dense fog advisory is issued for your area, it means that widespread dense fog has developed and visibility can plummet to a quarter-mile or less. These conditions pose challenges for travel, so exercise extra caution on the road or consider postponing your trip if possible.

If you must venture out in foggy conditions, keep these safety tips from

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