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Dense Fog Advisory: Visibility Drops to Quarter Mile Along Delaware and South Jersey Coast

Friday, March 13, 2026 at 9:37 AM

Dense fog is reducing visibility to just a quarter mile along Delaware beaches and South Jersey coastal areas through Tuesday morning, prompting safety warnings for drivers.

Drivers along the Delmarva coast should exercise extreme caution tonight and Tuesday morning as dense fog blankets the region, reducing visibility to just one quarter to one half mile in some areas. The National Weather Service issued a Dense Fog Advisory at 7:33 PM Monday evening, affecting Delaware’s coastal areas and several South Jersey counties including Eastern Monmouth, Cape May, Atlantic Coastal Cape May, Coastal Atlantic, and Coastal Ocean. The advisory remains in effect until 10:00 AM Tuesday. The thick fog poses significant hazards for morning commuters, with meteorologists warning that driving conditions could become dangerous due to severely limited visibility. Areas closest to the Atlantic Ocean are expected to see the heaviest fog concentrations. If you must drive during this period, the National Weather Service strongly recommends slowing down, using your headlights, and maintaining extra distance between vehicles. Allow additional travel time and consider delaying non-essential trips until conditions improve. The fog is expected to gradually lift Tuesday morning as temperatures rise and atmospheric conditions change. Motorists should remain alert even as the advisory expires, as patchy fog may linger in some low-lying coastal areas throughout the morning hours.

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