Minor Dense Fog Advisory | Effective 10/22/2026 07:29

Headline: 
Dense Fog Advisory issued October 22 at 10:29AM EDT until October 22 at 2:00PM EDT by NWS Marquette MI
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
October 22, 2026 - 7:29am
Expires: 
October 22, 2026 - 11:00am
Description: 
* WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 2 PM EDT this afternoon. * 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
Forcast Office: 
NWS Marquette MI
Sender: 
w-nws.webmaster@noaa.gov