WHUS73 KMQT 041520

MWWMQT



URGENT - MARINE WEATHER MESSAGE

National Weather Service Marquette MI

1120 AM EDT Tue Aug 4 2026



LSZ246-247-041630-

/O.EXP.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/

Point Isabelle to Lower Entrance of Portage Canal MI-

Lower Entrance of Portage Canal To Huron Islands MI Including

Keweenaw and Huron Bays-

1120 AM EDT Tue Aug 4 2026



...SMALL CRAFT ADVISORY HAS EXPIRED...



$$



LSZ241-041800-

/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1800Z/

Black River to Ontonagon MI-

1120 AM EDT Tue Aug 4 2026 /1020 AM CDT Tue Aug 4 2026/



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM

CDT/ THIS AFTERNOON...



* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 

  around 2 ft occurring.



* WHERE...Black River to Ontonagon MI.



* WHEN...Until 2 PM EDT /1 PM CDT/ 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.



&&



$$



LSZ242>244-050000-

/O.CON.KMQT.SC.Y.0114.000000T0000Z-260805T0000Z/

Ontonagon to Upper Entrance of Portage Canal MI-

Upper Entrance of Portage Canal to Eagle River MI-

Eagle River to Manitou Island MI-

1120 AM EDT Tue Aug 4 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS

EVENING...



* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 

  2 to 3 ft occurring.



* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 

  Entrance of Portage Canal to Eagle River MI and Eagle River to 

  Manitou Island MI.



* WHEN...Until 8 PM EDT this evening.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



LMZ248-250-050000-

/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/

Seul Choix Point to Point Detour MI-

5NM East of a line from Fairport MI to Rock Island Passage-

1120 AM EDT Tue Aug 4 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS

EVENING...



* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 

  waves 3 to 4 ft expected.



* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 

  line from Fairport MI to Rock Island Passage.



* WHEN...Until 8 PM EDT this evening.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$