Dense Fog Advisory Delaware, Maryland, New Jersey, Pennsylvania | Effective 03/09/2026 16:33

Headline: 
Dense Fog Advisory issued March 9 at 7:33PM EDT until March 10 at 10:00AM EDT by NWS Mount Holly NJ
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 9, 2026 - 4:33pm
Expires: 
March 10, 2026 - 5:45am
Description: 
* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of northern Delaware, northeast Maryland, central, northern, and southern New Jersey, and southeast Pennsylvania. * WHEN...From 2 AM to 10 AM EDT Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
New Castle; Kent; Queen Anne's; Caroline; Middlesex; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Lower Bucks
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov