Watches, Warnings & Advisories



One product found for Marine Zone: LSZ263

Dense Smoke Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1012 PM EDT Sun Jul 19 2026

LSZ263>267-201200-
/O.CON.KMQT.MS.Y.0002.000000T0000Z-260720T1200Z/
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-
1012 PM EDT Sun Jul 19 2026

...DENSE SMOKE ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Dense smoke 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, 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 and Lake Superior from Grand
  Marais MI to Whitefish Point MI 5NM off shore to the
  US/Canadian border.

* WHEN...Until 8 AM EDT Monday.

* 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.

&&

$$