Headline:
Dense Fog Advisory issued June 29 at 1:04PM EDT until June 30 at 8:00AM EDT by NWS Marquette MI
Event:
Dense Fog Advisory
Urgency:
Expected
Effective:
June 29, 2026 - 10:04am
Expires:
June 29, 2026 - 10:15pm
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 8 AM EDT Tuesday.
* 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: