538  
WHUS73 KMQT 300240  
MWWMQT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MARQUETTE MI  
1040 PM EDT SUN MAR 29 2026  
 
LSZ243>246-301445-  
/O.EXT.KMQT.SC.Y.0055.260331T0600Z-260401T0000Z/  
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-  
1040 PM EDT SUN MAR 29 2026  
 
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM TO 8 PM EDT  
TUESDAY...  
 
* WHAT...EAST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES  
4 TO 7 FT EXPECTED.  
 
* 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...FROM 2 AM TO 8 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.  
 
 
 
 
 
LSZ247-248-301445-  
/O.EXT.KMQT.SC.Y.0055.260331T0800Z-260401T0000Z/  
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING  
KEWEENAW AND HURON BAYS-HURON ISLANDS TO MARQUETTE MI-  
1040 PM EDT SUN MAR 29 2026  
 
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 AM TO 8 PM EDT  
TUESDAY...  
 
* WHAT...NORTHEAST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
WAVES 4 TO 7 FT EXPECTED.  
 
* WHERE...LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI  
INCLUDING KEWEENAW AND HURON BAYS AND HURON ISLANDS TO  
MARQUETTE MI.  
 
* WHEN...FROM 4 AM TO 8 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.  
 
 
 
 
 
LSZ240-241-301445-  
/O.CON.KMQT.SC.Y.0055.260330T2100Z-260331T0800Z/  
SAXON HARBOR WI TO BLACK RIVER MI-BLACK RIVER TO ONTONAGON MI-  
1040 PM EDT SUN MAR 29 2026 /940 PM CDT SUN MAR 29 2026/  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM EDT /4 PM  
CDT/ MONDAY TO 4 AM EDT /3 AM CDT/ TUESDAY...  
 
* WHAT...EAST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES  
2 TO 5 FT EXPECTED.  
 
* WHERE...SAXON HARBOR WI TO BLACK RIVER MI AND BLACK RIVER TO  
ONTONAGON MI.  
 
* WHEN...FROM 5 PM EDT /4 PM CDT/ MONDAY TO 4 AM EDT /3 AM 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.  
 
 
 
 
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