542
WHUS73 KMQT 221031
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
631 AM EDT THU OCT 22 2026
LMZ221-248-250-221800-
/O.EXB.KMQT.MF.Y.0035.000000T0000Z-261022T1800Z/
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-SEUL CHOIX POINT TO POINT DETOUR MI-
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
631 AM EDT THU OCT 22 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN ONE
NAUTICAL MILE.
* WHERE...GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE, SEUL CHOIX POINT TO POINT DETOUR MI AND 5NM
EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE.
* WHEN...UNTIL 2 PM EDT THIS AFTERNOON.
* 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.
LSZ242-243-221800-
/O.EXB.KMQT.MF.Y.0035.000000T0000Z-261022T1800Z/
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
631 AM EDT THU OCT 22 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN ONE
NAUTICAL MILE.
* WHERE...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI AND
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI.
* WHEN...UNTIL 2 PM EDT THIS AFTERNOON.
* 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.
LSZ248>250-265-266-221800-
/O.EXT.KMQT.MF.Y.0035.000000T0000Z-261022T1800Z/
HURON ISLANDS TO MARQUETTE MI-MARQUETTE TO MUNISING MI-
MUNISING TO GRAND MARAIS MI-
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-
631 AM EDT THU OCT 22 2026
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN ONE
NAUTICAL MILE.
* WHERE...HURON ISLANDS TO MARQUETTE MI, MARQUETTE TO MUNISING
MI, MUNISING TO GRAND MARAIS MI, LAKE SUPERIOR WEST OF LINE
FROM MANITOU ISLAND TO MARQUETTE MI BEYOND 5NM FROM SHORE 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 PM EDT THIS AFTERNOON.
* 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.
LSZ245>247-221800-
/O.EXT.KMQT.MF.Y.0035.000000T0000Z-261022T1800Z/
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-
631 AM EDT THU OCT 22 2026
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN ONE
NAUTICAL MILE.
* WHERE...MANITOU ISLAND TO POINT ISABELLE MI, POINT ISABELLE TO
LOWER ENTRANCE OF PORTAGE CANAL MI AND LOWER ENTRANCE OF
PORTAGE CANAL TO HURON ISLANDS MI INCLUDING KEWEENAW AND HURON
BAYS.
* WHEN...UNTIL 2 PM EDT THIS AFTERNOON.
* 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.
LSZ244-264-221800-
/O.EXT.KMQT.MF.Y.0035.000000T0000Z-261022T1800Z/
EAGLE RIVER TO MANITOU ISLAND MI-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
631 AM EDT THU OCT 22 2026
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN ONE
NAUTICAL MILE.
* WHERE...EAGLE RIVER TO MANITOU ISLAND MI AND LAKE SUPERIOR
FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM
OFF SHORE TO THE US/CANADIAN BORDER.
* WHEN...UNTIL 2 PM EDT THIS AFTERNOON.
* 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.
GS
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