739
WHUS73 KMQT 170839
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
439 AM EDT SUN MAY 17 2026
LSZ162-172045-
/O.NEW.KMQT.GL.W.0040.260517T1800Z-260518T0300Z/
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
439 AM EDT SUN MAY 17 2026 /339 AM CDT SUN MAY 17 2026/
...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON
TO 11 PM EDT /10 PM CDT/ THIS EVENING...
* WHAT...NORTHEAST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND
WAVES 7 TO 10 FT EXPECTED.
* WHERE...LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO
GRAND PORTAGE MN BEYOND 5NM.
* WHEN...FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 11 PM EDT
/10 PM CDT/ THIS EVENING.
* 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.
LSZ242-243-172045-
/O.NEW.KMQT.SC.Y.0085.260517T1800Z-260518T0600Z/
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
439 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
2 AM EDT MONDAY...
* WHAT...EAST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES
1 TO 3 FT EXPECTED.
* WHERE...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI AND
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI.
* WHEN...FROM 2 PM THIS AFTERNOON TO 2 AM EDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ221-172045-
/O.NEW.KMQT.SC.Y.0085.260518T0900Z-260519T0000Z/
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-
439 AM EDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT MONDAY
* WHAT...SOUTH WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND
WAVES 2 TO 4 FT EXPECTED.
* WHERE...GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE.
* WHEN...FROM 5 AM TO 8 PM EDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LSZ240-241-172045-
/O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T0900Z/
SAXON HARBOR WI TO BLACK RIVER MI-BLACK RIVER TO ONTONAGON MI-
439 AM EDT SUN MAY 17 2026 /339 AM CDT SUN MAY 17 2026/
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS
AFTERNOON TO 5 AM EDT /4 AM CDT/ MONDAY...
* WHAT...NORTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 3 TO 6 FT EXPECTED.
* WHERE...SAXON HARBOR WI TO BLACK RIVER MI AND BLACK RIVER TO
ONTONAGON MI.
* WHEN...FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 5 AM EDT /4
AM CDT/ MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LSZ244-245-172045-
/O.NEW.KMQT.SC.Y.0085.260518T0000Z-260518T1800Z/
EAGLE RIVER TO MANITOU ISLAND MI-
MANITOU ISLAND TO POINT ISABELLE MI-
439 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM
EDT MONDAY...
* WHAT...EAST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES
3 TO 6 FT EXPECTED.
* WHERE...EAGLE RIVER TO MANITOU ISLAND MI AND MANITOU ISLAND TO
POINT ISABELLE MI.
* WHEN...FROM 8 PM THIS EVENING TO 2 PM EDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LSZ246-247-172045-
/O.NEW.KMQT.SC.Y.0085.260517T1700Z-260518T1500Z/
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-
439 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
11 AM EDT MONDAY...
* WHAT...EAST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES
2 TO 5 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...FROM 1 PM THIS AFTERNOON TO 11 AM EDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LSZ248-249-172045-
/O.NEW.KMQT.SC.Y.0085.260518T0300Z-260518T1200Z/
HURON ISLANDS TO MARQUETTE MI-MARQUETTE TO MUNISING MI-
439 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM
EDT MONDAY...
* WHAT...SOUTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 1 TO 4 FT EXPECTED.
* WHERE...HURON ISLANDS TO MARQUETTE MI AND MARQUETTE TO
MUNISING MI.
* WHEN...FROM 11 PM THIS EVENING TO 8 AM EDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LSZ250-251-172045-
/O.NEW.KMQT.SC.Y.0085.260518T0200Z-260518T1500Z/
MUNISING TO GRAND MARAIS MI-GRAND MARAIS TO WHITEFISH POINT MI-
439 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
11 AM EDT MONDAY...
* WHAT...SOUTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
WAVES 1 TO 3 FT EXPECTED.
* WHERE...MUNISING TO GRAND MARAIS MI AND GRAND MARAIS TO
WHITEFISH POINT MI.
* WHEN...FROM 10 PM THIS EVENING TO 11 AM EDT MONDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ248-250-172045-
/O.NEW.KMQT.SC.Y.0085.260518T0000Z-260519T0000Z/
SEUL CHOIX POINT TO POINT DETOUR MI-
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
439 AM EDT SUN MAY 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM
EDT MONDAY...
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
WAVES 4 TO 7 FT EXPECTED.
* WHERE...SEUL CHOIX POINT TO POINT DETOUR MI AND 5NM EAST OF A
LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE.
* WHEN...FROM 8 PM THIS EVENING TO 8 PM EDT MONDAY.
* 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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