080
WHUS73 KLOT 072036
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
336 PM CDT Tue Oct 7 2025

LMZ743>745-080445-
/O.EXT.KLOT.SC.Y.0086.000000T0000Z-251008T2000Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
336 PM CDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM CDT WEDNESDAY...

* WHAT...North winds to 25 kt and significant waves to 7 ft
  occasionally to 9 ft.

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

* WHEN...Until 3 PM CDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ740>742-080445-
/O.CON.KLOT.SC.Y.0086.000000T0000Z-251008T2000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
336 PM CDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT
WEDNESDAY...

* WHAT...North winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft.

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

* WHEN...Until 3 PM CDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$