< Dense Fog Advisory - Minor | Effective 05/24/2026 19:23

Dense Fog Advisory - Minor | Effective 05/24/2026 19:23

Headline: 
Dense Fog Advisory issued May 24 at 10:23PM EDT until May 25 at 8:00AM EDT by NWS Marquette MI
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
May 24, 2026 - 7:23pm
Expires: 
May 25, 2026 - 5:00am
Description: 
* WHAT...Dense fog will reduce visibility to less than one nautical mile at times. * WHERE...Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Low visibility will make navigation difficult.
Instruction: 
If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.
Area Description: 
Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore; Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border
Forcast Office: 
NWS Marquette MI