Marine Weather Message
Issued by NWS Chicago, IL

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981
WHUS73 KLOT 060841
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
341 AM CDT Mon Oct 6 2025

LMZ740>742-061645-
/O.NEW.KLOT.SC.Y.0086.251007T0600Z-251008T2000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
341 AM CDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TUESDAY TO 3 PM CDT
WEDNESDAY...

* WHAT...North winds to 25 kt and significant waves to 7 ft
  occasionally to 9 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>745-061645-
/O.NEW.KLOT.SC.Y.0086.251007T0900Z-251008T1500Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
341 AM CDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TUESDAY TO 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.

&&

$$