WHUS73 KMQT 191621

MWWMQT



URGENT - MARINE WEATHER MESSAGE

National Weather Service Marquette MI

1221 PM EDT Tue Aug 19 2025



LSZ241>244-263>266-200000-

/O.NEW.KMQT.MF.Y.0019.250819T1621Z-250820T0000Z/

Black River to Ontonagon MI-

Ontonagon to Upper Entrance of Portage Canal MI-

Upper Entrance of Portage Canal to Eagle River MI-

Eagle River to Manitou Island MI-

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-

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-

1221 PM EDT Tue Aug 19 2025 /1121 AM CDT Tue Aug 19 2025/



...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS

EVENING...



* WHAT...Dense fog will reduce visibility to less than one 

  nautical mile.



* WHERE...Portions of Central, Eastern and Western Lake Superior.



* WHEN...Until 8 PM EDT /7 PM CDT/ this evening.



* IMPACTS...Low visibility will make navigation difficult.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



Jablonski