Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
525 WHUS73 KMQT 191949 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 349 PM EDT Tue Aug 19 2025 LSZ263-264-266-200600- /O.EXT.KMQT.MF.Y.0019.000000T0000Z-250820T0600Z/ 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 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- 349 PM EDT Tue Aug 19 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 2 AM EDT WEDNESDAY... * 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, Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border and 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. * WHEN...Until 2 AM EDT Wednesday. * 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. && $$ LSZ241>244-265-200000- /O.CON.KMQT.MF.Y.0019.000000T0000Z-250820T0000Z/ Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 349 PM EDT Tue Aug 19 2025 /249 PM CDT Tue Aug 19 2025/ ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI, Upper Entrance of Portage Canal to Eagle River MI, Eagle River to Manitou Island MI and Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore. * WHEN...Until 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ Jablonski