< Dense Fog Advisory - Minor | Effective 06/06/2026 16:17

Dense Fog Advisory - Minor | Effective 06/06/2026 16:17

Headline: 
Dense Fog Advisory issued June 6 at 7:17PM EDT until June 7 at 11:00AM EDT by NWS Marquette MI
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
June 6, 2026 - 4:17pm
Expires: 
June 7, 2026 - 4:30am
Description: 
* WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park and Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...Until 11 AM EDT Sunday. * 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 from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park; Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border
Forcast Office: 
NWS Marquette MI
Sender: 
w-nws.webmaster@noaa.gov