Headline:
Dense Fog Advisory issued July 9 at 4:58AM EDT until July 9 at 11:00AM EDT by NWS Marquette MI
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
July 9, 2026 - 1:58am
Expires:
July 9, 2026 - 8:00am
Description:
* WHAT...Dense fog will reduce visibility to less than one
nautical mile.
* WHERE...Portions of Central and Eastern Lake Superior.
* WHEN...Until 11 AM EDT this morning.
* 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:
Manitou Island to Point Isabelle MI; Point Isabelle to Lower Entrance of Portage Canal MI; Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays; Huron Islands to Marquette MI; Marquette to Munising MI; Munising to Grand Marais MI; Grand Marais to Whitefish Point MI
Forcast Office:
NWS Marquette MI
Sender: