937
WHUS73 KMQT 280226
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
1026 PM EDT MON APR 27 2026
LSZ241-281430-
/O.CON.KMQT.SC.Y.0074.260428T0600Z-260428T0900Z/
/O.CON.KMQT.GL.W.0036.260428T0900Z-260428T1800Z/
/O.CON.KMQT.SC.Y.0075.260428T1800Z-260428T2200Z/
BLACK RIVER TO ONTONAGON MI-
1026 PM EDT MON APR 27 2026 /926 PM CDT MON APR 27 2026/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM EDT /1 AM
CDT/ TO 5 AM EDT /4 AM CDT/ TUESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO
2 PM EDT /1 PM CDT/ TUESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM EDT /1 PM
CDT/ TO 6 PM EDT /5 PM CDT/ TUESDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, WEST WINDS 15 TO 20
KT WITH GUSTS UP TO 30 KT AND WAVES 2 TO 4 FT EXPECTED. FOR
THE GALE WARNING, WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35
KT AND WAVES 6 TO 9 FT EXPECTED. FOR THE SECOND SMALL CRAFT
ADVISORY, WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
WAVES 4 TO 7 FT EXPECTED.
* WHERE...BLACK RIVER TO ONTONAGON MI.
* WHEN...FOR THE FIRST SMALL CRAFT ADVISORY, FROM 2 AM EDT /1 AM
CDT/ TO 5 AM EDT /4 AM CDT/ TUESDAY. FOR THE GALE WARNING,
FROM 5 AM EDT /4 AM CDT/ TO 2 PM EDT /1 PM CDT/ TUESDAY. FOR
THE SECOND SMALL CRAFT ADVISORY, FROM 2 PM EDT /1 PM CDT/ TO 6
PM EDT /5 PM CDT/ 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.
LSZ242-281430-
/O.CON.KMQT.SC.Y.0074.000000T0000Z-260428T0900Z/
/O.CON.KMQT.GL.W.0036.260428T0900Z-260428T1800Z/
/O.CON.KMQT.SC.Y.0075.260428T1800Z-260429T0000Z/
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
1026 PM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
TUESDAY...
..GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 2 PM EDT TUESDAY
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM TO 8 PM EDT
TUESDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, SOUTHWEST TO WEST
WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES 1 TO 4 FT
OCCURRING. FOR THE GALE WARNING, WEST WINDS 20 TO 30 KT WITH
GUSTS UP TO 35 KT AND WAVES 6 TO 11 FT EXPECTED. FOR THE SECOND
SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30
KT AND WAVES 7 TO 10 FT EXPECTED.
* WHERE...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI.
* WHEN...FOR THE FIRST SMALL CRAFT ADVISORY, UNTIL 5 AM EDT
TUESDAY. FOR THE GALE WARNING, FROM 5 AM TO 2 PM EDT TUESDAY.
FOR THE SECOND SMALL CRAFT ADVISORY, FROM 2 PM TO 8 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.
LSZ243-281430-
/O.CON.KMQT.SC.Y.0074.000000T0000Z-260428T0900Z/
/O.CON.KMQT.GL.W.0036.260428T0900Z-260428T1800Z/
/O.CON.KMQT.SC.Y.0075.260428T1800Z-260429T0300Z/
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
1026 PM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
TUESDAY...
..GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 2 PM EDT TUESDAY
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM TO 11 PM EDT
TUESDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, SOUTHEAST TO
SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES 1
TO 3 FT OCCURRING. FOR THE GALE WARNING, WEST WINDS 20 TO 30 KT
WITH GUSTS UP TO 35 KT AND WAVES 6 TO 11 FT EXPECTED. FOR THE
SECOND SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT WITH GUSTS
UP TO 30 KT AND WAVES 7 TO 10 FT EXPECTED.
* WHERE...UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI.
* WHEN...FOR THE FIRST SMALL CRAFT ADVISORY, UNTIL 5 AM EDT
TUESDAY. FOR THE GALE WARNING, FROM 5 AM TO 2 PM EDT TUESDAY.
FOR THE SECOND SMALL CRAFT ADVISORY, FROM 2 PM TO 11 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.
LSZ246-247-281430-
/O.CON.KMQT.SC.Y.0074.000000T0000Z-260428T1200Z/
/O.CON.KMQT.GL.W.0036.260428T1200Z-260428T1800Z/
/O.CON.KMQT.SC.Y.0075.260428T1800Z-260429T0000Z/
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-
1026 PM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...
..GALE WARNING REMAINS IN EFFECT FROM 8 AM TO 2 PM EDT TUESDAY
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM TO 8 PM EDT
TUESDAY...
* WHAT...FOR THE FIRST SMALL CRAFT ADVISORY, SOUTHEAST TO
SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES 3
TO 6 FT OCCURRING. FOR THE GALE WARNING, WEST WINDS 20 TO 25 KT
WITH GUSTS UP TO 35 KT AND WAVES 2 TO 5 FT EXPECTED. FOR THE
SECOND SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT WITH A FEW
GALE FORCE GUSTS UP TO 35 KT POSSIBLE EARLY AND WAVES 1 TO 4 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 FIRST SMALL CRAFT ADVISORY, UNTIL 8 AM EDT
TUESDAY. FOR THE GALE WARNING, FROM 8 AM TO 2 PM EDT TUESDAY.
FOR THE SECOND SMALL CRAFT ADVISORY, FROM 2 PM TO 8 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.
LSZ248-281430-
/O.CON.KMQT.SC.Y.0074.000000T0000Z-260428T1200Z/
/O.CON.KMQT.GL.W.0036.260428T1200Z-260428T2000Z/
HURON ISLANDS TO MARQUETTE MI-
1026 PM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
TUESDAY...
..GALE WARNING REMAINS IN EFFECT FROM 8 AM TO 4 PM EDT TUESDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHEAST TO SOUTHWEST
WINDS 15 TO 25 KT WITH A FEW GALE FORCE GUSTS UP TO 35 KT
POSSIBLE BY DAYBREAK AND WAVES 3 TO 6 FT OCCURRING. FOR THE
GALE WARNING, WEST WINDS 20 TO 30 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, UNTIL 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.
LSZ249-281430-
/O.CON.KMQT.SC.Y.0074.000000T0000Z-260428T1500Z/
/O.CON.KMQT.GL.W.0036.260428T1500Z-260428T2000Z/
MARQUETTE TO MUNISING MI-
1026 PM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT
TUESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 11 AM TO 4 PM EDT
TUESDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTH TO WEST WINDS 15 TO
25 KT WITH GUSTS UP TO 30 KT AND WAVES 2 TO 5 FT OCCURRING. FOR
THE GALE WARNING, WEST WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT
AND WAVES 4 TO 7 FT EXPECTED.
* WHERE...MARQUETTE TO MUNISING MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 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.
LSZ263-281430-
/O.CON.KMQT.GL.W.0036.260428T0900Z-260428T1800Z/
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-
1026 PM EDT MON APR 27 2026
..GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 2 PM EDT TUESDAY
* WHAT...WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND WAVES
6 TO 9 FT EXPECTED.
* 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...FROM 5 AM TO 2 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.
LSZ244-245-250-251-264-265-281430-
/O.CON.KMQT.GL.W.0036.000000T0000Z-260428T2100Z/
EAGLE RIVER TO MANITOU ISLAND MI-
MANITOU ISLAND TO POINT ISABELLE MI-MUNISING TO GRAND MARAIS MI-
GRAND MARAIS TO WHITEFISH POINT MI-
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-
1026 PM EDT MON APR 27 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EDT TUESDAY
* WHAT...SOUTHEAST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT THIS
EVENING BECOMING WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT
BY TUESDAY MORNING; WAVES 7 TO 10 FT OCCURRING AND/OR EXPECTED.
* WHERE...PORTIONS OF CENTRAL, EASTERN AND WESTERN LAKE SUPERIOR.
* WHEN...UNTIL 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.
LSZ266-267-281430-
/O.CON.KMQT.GL.W.0036.000000T0000Z-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-
1026 PM EDT MON APR 27 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 6 PM EDT TUESDAY
* WHAT...SOUTHEAST WINDS 20 TO 30 KT WITH GUSTS UP TO 45 KT THIS
EVENING BECOMES WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 45 KT
TUESDAY MORNING; WAVES 8 TO 13 FT OCCURRING AND/OR 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...UNTIL 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.
LSZ240-281430-
/O.CON.KMQT.SC.Y.0074.260428T0600Z-260428T1800Z/
SAXON HARBOR WI TO BLACK RIVER MI-
1026 PM EDT MON APR 27 2026 /926 PM CDT MON APR 27 2026/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM EDT /1 AM
CDT/ TO 2 PM EDT /1 PM CDT/ TUESDAY...
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES
3 TO 6 FT EXPECTED.
* WHERE...SAXON HARBOR WI TO BLACK RIVER MI.
* WHEN...FROM 2 AM EDT /1 AM CDT/ TO 2 PM EDT /1 PM CDT/ 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.
LMZ221-248-250-281430-
/O.CON.KMQT.SC.Y.0074.000000T0000Z-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-
1026 PM EDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
TUESDAY...
* WHAT...SOUTH TO WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT
AND WAVES 2 TO 5 FT OCCURRING.
* 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 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.
TAP
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page