033
WHUS73 KMQT 181414
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
1014 AM EDT MON MAY 18 2026
LSZ244-182100-
/O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/
/O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/
EAGLE RIVER TO MANITOU ISLAND MI-
1014 AM EDT MON MAY 18 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO LESS THAN ONE NAUTICAL MILE. FOR THE SMALL CRAFT
ADVISORY, SOUTHWEST WINDS 5 TO 10 KT AND WAVES 2 TO 5 FT
OCCURRING.
* WHERE...EAGLE RIVER TO MANITOU ISLAND MI.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 5 PM EDT THIS
AFTERNOON. FOR THE SMALL CRAFT ADVISORY, UNTIL 2 PM EDT THIS
AFTERNOON.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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.
LMZ248-250-190215-
/O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/
/O.CON.KMQT.SC.Y.0085.000000T0000Z-260520T0000Z/
SEUL CHOIX POINT TO POINT DETOUR MI-
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
1014 AM EDT MON MAY 18 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
TUESDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO LESS THAN ONE NAUTICAL MILE. FOR THE SMALL CRAFT
ADVISORY, SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT
AND WAVES 5 TO 8 FT OCCURRING.
* WHERE...SEUL CHOIX POINT TO POINT DETOUR MI AND 5NM EAST OF A
LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 11 AM EDT THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, UNTIL 8 PM EDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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.
LMZ221-181515-
/O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T1500Z/
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-
1014 AM EDT MON MAY 18 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...
* 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.
* WHEN...UNTIL 11 AM EDT THIS MORNING.
* 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.
LSZ264>266-182100-
/O.CON.KMQT.MF.Y.0011.000000T0000Z-260518T2100Z/
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-
1014 AM EDT MON MAY 18 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN ONE
NAUTICAL MILE.
* WHERE...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 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 5 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.
LSZ267-190000-
/O.CON.KMQT.MF.Y.0011.000000T0000Z-260519T0000Z/
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1014 AM EDT MON MAY 18 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN ONE
NAUTICAL MILE.
* WHERE...LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT
MI 5NM OFF SHORE TO THE US/CANADIAN BORDER.
* WHEN...UNTIL 8 PM EDT 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.
LSZ245-181800-
/O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1800Z/
MANITOU ISLAND TO POINT ISABELLE MI-
1014 AM EDT MON MAY 18 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...SOUTHWEST WINDS 5 TO 10 KT WITH GUSTS UP TO 15 KT AND
WAVES 3 TO 5 FT OCCURRING.
* WHERE...MANITOU ISLAND TO POINT ISABELLE MI.
* WHEN...UNTIL 2 PM EDT THIS AFTERNOON.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LSZ246-247-181515-
/O.CON.KMQT.SC.Y.0085.000000T0000Z-260518T1500Z/
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-
1014 AM EDT MON MAY 18 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...
* WHAT...SOUTHWEST WINDS 5 KT OR LESS WITH GUSTS UP TO 10 KT AND
WAVES 1 TO 4 FT OCCURRING.
* WHERE...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 11 AM EDT THIS MORNING.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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