WHUS73 KLOT 090223

MWWLOT



URGENT - MARINE WEATHER MESSAGE

National Weather Service Chicago IL

923 PM CDT Thu May 8 2025



LMZ740>742-090900-

/O.CON.KLOT.SC.Y.0058.000000T0000Z-250509T0900Z/

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

923 PM CDT Thu May 8 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT FRIDAY...



* WHAT...North winds to 25 kt and significant waves to 6 ft

  occasionally to 8 ft occurring. 



* WHERE...Winthrop Harbor to Calumet Harbor IL.



* WHEN...Until 4 AM CDT Friday.



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



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



LMZ743>745-090900-

/O.CON.KLOT.SC.Y.0058.000000T0000Z-250509T0900Z/

Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-

Burns Harbor to Michigan City IN-

923 PM CDT Thu May 8 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT FRIDAY...



* WHAT...North winds to 25 kt and significant waves to 7 ft

  occasionally to 9 ft occurring. 



* WHERE...Calumet Harbor IL to Michigan City IN.



* WHEN...Until 4 AM CDT Friday.



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



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$