627
WHUS73 KMQT 310525
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
125 AM EDT TUE MAR 31 2026
LSZ240-241-311730-
/O.CON.KMQT.SC.Y.0055.000000T0000Z-260331T2300Z/
/O.NEW.KMQT.GL.A.0014.260402T1200Z-260403T0600Z/
SAXON HARBOR WI TO BLACK RIVER MI-BLACK RIVER TO ONTONAGON MI-
125 AM EDT TUE MAR 31 2026 /1225 AM CDT TUE MAR 31 2026/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT /6 PM
CDT/ THIS EVENING...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHEAST WINDS 10 TO 15 KT
WITH GUSTS UP TO 25 KT AND WAVES 2 TO 5 FT OCCURRING. FOR THE
GALE WATCH, NORTHEAST WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT
AND WAVES 7 TO 10 FT POSSIBLE.
* WHERE...SAXON HARBOR WI TO BLACK RIVER MI AND BLACK RIVER TO
ONTONAGON MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 PM EDT /6 PM CDT/
THIS EVENING. FOR THE GALE WATCH, FROM THURSDAY MORNING
THROUGH LATE THURSDAY NIGHT.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LSZ242-311730-
/O.CON.KMQT.SC.Y.0055.260331T0900Z-260331T1800Z/
/O.NEW.KMQT.GL.A.0014.260402T1200Z-260403T0600Z/
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
125 AM EDT TUE MAR 31 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 2 PM EDT THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHEAST WINDS 10 TO 15 KT
WITH GUSTS UP TO 22 KT AND WAVES 2 TO 4 FT EXPECTED. FOR THE
GALE WATCH, EAST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND
WAVES 5 TO 8 FT POSSIBLE.
* WHERE...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 5 AM EARLY THIS
MORNING TO 2 PM EDT THIS AFTERNOON. FOR THE GALE WATCH, FROM
THURSDAY MORNING THROUGH LATE THURSDAY NIGHT.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LSZ243>246-311730-
/O.CON.KMQT.SC.Y.0055.000000T0000Z-260401T0600Z/
/O.NEW.KMQT.GL.A.0014.260402T1200Z-260403T0600Z/
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-
125 AM EDT TUE MAR 31 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
WEDNESDAY...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHEAST TO EAST WINDS 10
TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES 4 TO 7 FT OCCURRING.
FOR THE GALE WATCH, EAST WINDS 20 TO 30 KT WITH GUSTS UP TO 35
KT AND WAVES 6 TO 11 FT POSSIBLE.
* WHERE...UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI,
EAGLE RIVER TO MANITOU ISLAND MI, MANITOU ISLAND TO POINT
ISABELLE MI AND POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE
CANAL MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 2 AM EDT WEDNESDAY.
FOR THE GALE WATCH, FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LSZ247-248-311730-
/O.CON.KMQT.SC.Y.0055.260331T0600Z-260401T0300Z/
/O.NEW.KMQT.GL.A.0014.260402T1200Z-260403T0600Z/
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-HURON ISLANDS TO MARQUETTE MI-
125 AM EDT TUE MAR 31 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTH TO EAST WINDS 10 TO
15 KT WITH GUSTS UP TO 22 KT AND WAVES 3 TO 6 FT EXPECTED. FOR
THE GALE WATCH, EAST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT
AND WAVES 8 TO 13 FT POSSIBLE.
* WHERE...LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI
INCLUDING KEWEENAW AND HURON BAYS AND HURON ISLANDS TO
MARQUETTE MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 11 PM EDT THIS
EVENING. FOR THE GALE WATCH, FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LSZ249-311730-
/O.CON.KMQT.SC.Y.0055.260331T0600Z-260401T0000Z/
/O.NEW.KMQT.GL.A.0014.260402T1200Z-260403T0600Z/
MARQUETTE TO MUNISING MI-
125 AM EDT TUE MAR 31 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTH TO NORTHEAST WINDS 10
TO 15 KT WITH GUSTS UP TO 20 KT AND WAVES 3 TO 5 FT EXPECTED.
FOR THE GALE WATCH, EAST WINDS 15 TO 20 KT WITH GUSTS UP TO 35
KT AND WAVES 6 TO 9 FT POSSIBLE.
* WHERE...MARQUETTE TO MUNISING MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 8 PM EDT THIS
EVENING. FOR THE GALE WATCH, FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LSZ250-251-311730-
/O.CON.KMQT.SC.Y.0055.260331T1200Z-260331T1800Z/
/O.NEW.KMQT.GL.A.0014.260402T1200Z-260403T0600Z/
MUNISING TO GRAND MARAIS MI-GRAND MARAIS TO WHITEFISH POINT MI-
125 AM EDT TUE MAR 31 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 2 PM EDT THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHEAST WINDS 10 TO 15 KT
WITH GUSTS UP TO 20 KT AND WAVES 2 TO 4 FT EXPECTED. FOR THE
GALE WATCH, EAST WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT AND
WAVES 4 TO 7 FT POSSIBLE.
* WHERE...MUNISING TO GRAND MARAIS MI AND GRAND MARAIS TO
WHITEFISH POINT MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 8 AM THIS MORNING TO
2 PM EDT THIS AFTERNOON. FOR THE GALE WATCH, FROM THURSDAY
MORNING THROUGH LATE THURSDAY NIGHT.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LMZ248-250-311730-
/O.CON.KMQT.SC.Y.0055.000000T0000Z-260331T2000Z/
SEUL CHOIX POINT TO POINT DETOUR MI-
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
125 AM EDT TUE MAR 31 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...
* WHAT...NORTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND
WAVES 1 TO 4 FT OCCURRING.
* WHERE...SEUL CHOIX POINT TO POINT DETOUR MI AND 5NM EAST OF A
LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE.
* WHEN...UNTIL 4 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.
LSZ162-263>267-311730-
/O.NEW.KMQT.GL.A.0014.260402T1200Z-260403T0600Z/
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
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-
125 AM EDT TUE MAR 31 2026 /1225 AM CDT TUE MAR 31 2026/
...GALE WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
* WHAT...NORTHEAST TO EAST WINDS 20 TO 30 KT WITH GUSTS UP TO 40
KT AND WAVES 8 TO 13 FT POSSIBLE.
* WHERE...PORTIONS OF CENTRAL, EASTERN AND WESTERN LAKE SUPERIOR.
* WHEN...FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
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