Headline:
Dense Fog Advisory issued May 24 at 3:17PM EDT until May 25 at 8:00AM EDT by NWS Marquette MI
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
May 24, 2026 - 12:17pm
Expires:
May 25, 2026 - 12:30am
Description:
* WHAT...Dense fog will reduce visibility to less than one
nautical mile.
* 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