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Dense Fog Advisory: Near-Zero Visibility Expected Tonight Through Thursday Morning

Wednesday, March 4, 2026 at 3:03 PM

Dense fog will reduce visibility to less than one mile across coastal Delaware and southern New Jersey from tonight through Thursday morning, creating hazardous driving conditions.

A Dense Fog Advisory is now in effect for much of the Delmarva region, with visibility dropping to less than one mile beginning at 6 PM tonight and lasting through 10 AM Thursday morning. The National Weather Service issued the advisory at 1:08 PM today, warning that hazardous driving conditions are expected across coastal Delaware and southern New Jersey. Areas under the advisory include inland Sussex County, Delaware beaches, and several New Jersey counties including Ocean, Atlantic, Cape May, and parts of Monmouth and Burlington counties. The thick fog will create particularly dangerous conditions for evening commuters and early morning travelers, with visibility potentially dropping to near zero in some locations. Motorists are urged to take extra precautions during the advisory period. The National Weather Service recommends slowing down, using headlights, and maintaining extra distance between vehicles. If visibility becomes extremely poor, consider pulling over safely and waiting for conditions to improve. The fog is expected to gradually lift Thursday morning as temperatures rise and winds increase. The Dense Fog Advisory expires at 10 AM Thursday, though some patchy fog may linger into the late morning hours in sheltered areas.

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