344
WHUS73 KLOT 070828
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
328 AM CDT Tue Oct 7 2025

LMZ740>742-071630-
/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-
328 AM 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 expected.

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

* WHEN...From 1 AM Tuesday to 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.

&&

$$

LMZ743>745-071630-
/O.CON.KLOT.SC.Y.0086.251007T0900Z-251008T1500Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
328 AM CDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
WEDNESDAY...

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

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

* WHEN...From 4 AM Tuesday to 10 AM 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.

&&

$$