Headline:
Dense Fog Advisory issued July 9 at 10:45PM EDT until July 10 at 11:00AM EDT by NWS Marquette MI
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
July 9, 2026 - 7:45pm
Expires:
July 10, 2026 - 7:45am
Description:
* WHAT...Dense fog will reduce visibility to less than one
nautical mile.
* WHERE...Munising to Grand Marais MI, Grand Marais to Whitefish
Point MI, Lake Superior West of Line from Manitou Island to
Marquette MI Beyond 5NM from shore, 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 11 AM EDT Friday.
* 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:
Munising to Grand Marais MI; Grand Marais to Whitefish Point MI; Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore; 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
Sender: