512
WHUS73 KMQT 270804
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
404 AM EDT MON APR 27 2026
LSZ244-245-272015-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T0900Z/
/O.EXB.KMQT.SC.Y.0074.260427T1200Z-260427T2100Z/
/O.UPG.KMQT.GL.A.0018.260427T2100Z-260428T2100Z/
/O.NEW.KMQT.GL.W.0036.260427T2100Z-260428T2100Z/
EAGLE RIVER TO MANITOU ISLAND MI-
MANITOU ISLAND TO POINT ISABELLE MI-
404 AM EDT MON APR 27 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 5 PM
EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 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, SOUTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 4 TO 7 FT EXPECTED. FOR THE GALE WARNING, SOUTHWEST
BECOMING WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 40 KT AND
WAVES 6 TO 9 FT EXPECTED.
* WHERE...EAGLE RIVER TO MANITOU ISLAND MI AND MANITOU ISLAND TO
POINT ISABELLE MI.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 5 AM EDT EARLY THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 8 AM THIS MORNING
TO 5 PM EDT THIS AFTERNOON. FOR THE GALE WARNING, FROM 5 PM
THIS AFTERNOON TO 5 PM EDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY. LOW VISIBILITY
WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR 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.
LSZ248-272015-
/O.EXB.KMQT.SC.Y.0074.260427T1300Z-260428T1200Z/
/O.UPG.KMQT.GL.A.0018.260427T2100Z-260428T2100Z/
/O.NEW.KMQT.GL.W.0036.260428T1200Z-260428T2000Z/
HURON ISLANDS TO MARQUETTE MI-
404 AM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 8 AM
EDT TUESDAY...
..GALE WARNING IN EFFECT FROM 8 AM TO 4 PM EDT TUESDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHEAST BECOMING
SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES 3
TO 6 FT EXPECTED. FOR THE GALE WARNING, WEST WINDS 20 TO 25 KT
WITH GUSTS UP TO 40 KT AND WAVES 4 TO 7 FT EXPECTED.
* WHERE...HURON ISLANDS TO MARQUETTE MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 9 AM THIS MORNING TO
8 AM EDT TUESDAY. FOR THE GALE WARNING, FROM 8 AM TO 4 PM EDT
TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LSZ251-272015-
/O.EXB.KMQT.SC.Y.0074.260427T1400Z-260427T2100Z/
/O.UPG.KMQT.GL.A.0018.260427T2100Z-260428T2100Z/
/O.NEW.KMQT.GL.W.0036.260427T2100Z-260428T2100Z/
GRAND MARAIS TO WHITEFISH POINT MI-
404 AM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM
EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM EDT
TUESDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHEAST WINDS 15 TO 25 KT
WITH GUSTS UP TO 30 KT AND WAVES 2 TO 5 FT EXPECTED. FOR THE
GALE WARNING, SOUTHEAST BECOMING WEST WINDS 20 TO 30 KT WITH
GUSTS UP TO 40 KT AND WAVES 6 TO 11 FT EXPECTED.
* WHERE...GRAND MARAIS TO WHITEFISH POINT MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 10 AM THIS MORNING
TO 5 PM EDT THIS AFTERNOON. FOR THE GALE WARNING, FROM 5 PM
THIS AFTERNOON TO 5 PM EDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LSZ264-272015-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T1200Z/
/O.NEW.KMQT.GL.W.0036.260427T2100Z-260428T2100Z/
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
404 AM EDT MON APR 27 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
...GALE WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM EDT
TUESDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO LESS THAN ONE NAUTICAL MILE. FOR THE GALE WARNING,
SOUTHEAST BECOMING WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35
KT AND WAVES 6 TO 11 FT EXPECTED.
* WHERE...LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO
MANITOU ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 8 AM EDT THIS
MORNING. FOR THE GALE WARNING, FROM 5 PM THIS AFTERNOON TO 5
PM EDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY. LOW VISIBILITY
WILL MAKE NAVIGATION DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR 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.
LSZ249-272015-
/O.EXB.KMQT.SC.Y.0074.260427T1500Z-260428T1500Z/
/O.NEW.KMQT.GL.W.0036.260428T1500Z-260428T2000Z/
MARQUETTE TO MUNISING MI-
404 AM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO
11 AM EDT TUESDAY...
..GALE WARNING IN EFFECT FROM 11 AM TO 4 PM EDT TUESDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHEAST BECOMING WEST
WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES 4 TO 7 FT
EXPECTED. FOR THE GALE WARNING, WEST WINDS 20 TO 25 KT WITH
GUSTS UP TO 35 KT AND WAVES 6 TO 9 FT EXPECTED.
* WHERE...MARQUETTE TO MUNISING MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 11 AM THIS MORNING
TO 11 AM EDT TUESDAY. FOR THE GALE WARNING, FROM 11 AM TO 4 PM
EDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LSZ250-272015-
/O.EXB.KMQT.SC.Y.0074.260427T1400Z-260427T2100Z/
/O.NEW.KMQT.GL.W.0036.260427T2100Z-260428T2100Z/
MUNISING TO GRAND MARAIS MI-
404 AM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM
EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM EDT
TUESDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHEAST WINDS 15 TO 20 KT
WITH GUSTS UP TO 30 KT AND WAVES 1 TO 3 FT EXPECTED. FOR THE
GALE WARNING, SOUTHEAST BECOMING WEST WINDS 20 TO 30 KT WITH
GUSTS UP TO 40 KT AND WAVES 6 TO 11 FT EXPECTED.
* WHERE...MUNISING TO GRAND MARAIS MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 10 AM THIS MORNING
TO 5 PM EDT THIS AFTERNOON. FOR THE GALE WARNING, FROM 5 PM
THIS AFTERNOON TO 5 PM EDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LSZ265-272015-
/O.UPG.KMQT.GL.A.0018.260427T2100Z-260428T2100Z/
/O.NEW.KMQT.GL.W.0036.260427T2100Z-260428T2100Z/
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
404 AM EDT MON APR 27 2026
...GALE WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM EDT
TUESDAY...
* WHAT...SOUTHEAST BECOMING WEST WINDS 15 TO 25 KT WITH GUSTS UP
TO 40 KT AND WAVES 6 TO 9 FT EXPECTED.
* WHERE...LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO
MARQUETTE MI BEYOND 5NM FROM SHORE.
* WHEN...FROM 5 PM THIS AFTERNOON TO 5 PM EDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LSZ266-267-272015-
/O.UPG.KMQT.GL.A.0018.260427T2100Z-260428T2100Z/
/O.NEW.KMQT.GL.W.0036.260427T1900Z-260428T2200Z/
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-
404 AM EDT MON APR 27 2026
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM EDT
TUESDAY...
* WHAT...SOUTHEAST BECOMING WEST WINDS 20 TO 30 KT WITH GUSTS UP
TO 40 KT AND WAVES 7 TO 12 FT EXPECTED.
* WHERE...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...FROM 3 PM THIS AFTERNOON TO 6 PM EDT TUESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LSZ240-272015-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T0900Z/
/O.EXB.KMQT.SC.Y.0074.260428T0900Z-260428T1800Z/
SAXON HARBOR WI TO BLACK RIVER MI-
404 AM EDT MON APR 27 2026 /304 AM CDT MON APR 27 2026/
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/
EARLY THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO
2 PM EDT /1 PM CDT/ TUESDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO LESS THAN ONE NAUTICAL MILE. FOR THE SMALL CRAFT
ADVISORY, WEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND
WAVES 3 TO 5 FT EXPECTED.
* WHERE...SAXON HARBOR WI TO BLACK RIVER MI.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 5 AM EDT /4 AM CDT/
EARLY THIS MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 5 AM
EDT /4 AM CDT/ TO 2 PM EDT /1 PM CDT/ 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.
LSZ242-272015-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T0900Z/
/O.EXB.KMQT.SC.Y.0074.260427T1800Z-260429T0000Z/
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
404 AM EDT MON APR 27 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
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, SOUTHEAST BECOMING WEST WINDS 15 TO 25 KT WITH GUSTS
UP TO 30 KT AND WAVES 5 TO 8 FT EXPECTED.
* WHERE...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 5 AM EDT EARLY THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 2 PM THIS
AFTERNOON TO 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.
LSZ241-272015-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T0900Z/
/O.EXB.KMQT.SC.Y.0074.260428T0800Z-260428T2200Z/
BLACK RIVER TO ONTONAGON MI-
404 AM EDT MON APR 27 2026 /304 AM CDT MON APR 27 2026/
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT /4 AM CDT/
EARLY THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT /3 AM CDT/ TO
6 PM EDT /5 PM CDT/ TUESDAY...
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE
VISIBILITY TO LESS THAN ONE NAUTICAL MILE. FOR THE SMALL CRAFT
ADVISORY, WEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 3 TO 6 FT EXPECTED.
* WHERE...BLACK RIVER TO ONTONAGON MI.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 5 AM EDT /4 AM CDT/
EARLY THIS MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 4 AM
EDT /3 AM CDT/ TO 6 PM EDT /5 PM CDT/ 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.
LSZ243-272015-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T0900Z/
/O.EXB.KMQT.SC.Y.0074.260427T1500Z-260429T0300Z/
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
404 AM EDT MON APR 27 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO
11 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, SOUTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT
AND WAVES 5 TO 8 FT EXPECTED.
* WHERE...UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI.
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 5 AM EDT EARLY THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 11 AM THIS MORNING
TO 11 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.
LSZ246-247-272015-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T0900Z/
/O.EXB.KMQT.SC.Y.0074.260427T1300Z-260429T0000Z/
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-
404 AM EDT MON APR 27 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 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, SOUTHEAST WINDS BECOMING WEST 15 TO 25 KT WITH GUSTS
UP TO 30 KT AND WAVES 4 TO 7 FT EXPECTED.
* 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...FOR THE DENSE FOG ADVISORY, UNTIL 5 AM EDT EARLY THIS
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 9 AM THIS MORNING
TO 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.
LSZ162-271200-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T1200Z/
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
404 AM EDT MON APR 27 2026 /304 AM CDT MON APR 27 2026/
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT /7 AM CDT/
THIS MORNING...
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN ONE
NAUTICAL MILE.
* WHERE...LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO
GRAND PORTAGE MN BEYOND 5NM.
* WHEN...UNTIL 8 AM EDT /7 AM CDT/ 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.
LSZ263-271200-
/O.CON.KMQT.MF.Y.0010.000000T0000Z-260427T1200Z/
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-
404 AM EDT MON APR 27 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
* 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.
* WHEN...UNTIL 8 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.
LMZ221-248-250-272015-
/O.CON.KMQT.SC.Y.0074.260427T1500Z-260428T1800Z/
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-
404 AM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 2 PM EDT TUESDAY...
* WHAT...SOUTHEAST BECOMING WEST WINDS 15 TO 25 KT WITH GUSTS UP
TO 30 KT AND WAVES 3 TO 6 FT EXPECTED.
* 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...FROM 11 AM THIS MORNING TO 2 PM EDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
GS
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