Watches, Warnings & Advisories



One product found for Marine Zone: LSZ243

Dense Smoke Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
305 PM EDT Fri Jul 17 2026

LSZ162-240>247-263>267-180715-
/O.EXT.KMQT.MS.Y.0001.000000T0000Z-260718T1000Z/
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
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-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
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-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
305 PM EDT Fri Jul 17 2026 /205 PM CDT Fri Jul 17 2026/

...DENSE SMOKE ADVISORY NOW IN EFFECT UNTIL 6 AM EDT /5 AM CDT/
SATURDAY...

* WHAT...Dense smoke will reduce visibility to less than one
  nautical mile at times.

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

* WHEN...Until 6 AM EDT /5 AM CDT/ Saturday.

* 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.

&&

$$