448 
WHUS73 KLOT 301500
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
1000 AM CDT Sun Mar 30 2025

LMZ740>742-302300-
/O.EXP.KLOT.MF.Y.0003.000000T0000Z-250330T1500Z/
/O.CON.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
1000 AM CDT Sun Mar 30 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
TUESDAY...
...DENSE FOG ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING...

* WHAT...South to southwest winds to 25 kt shifting northwest tonight
  and significant waves to 6 ft occasionally to 8 ft expected.

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

* WHEN...Until 4 AM CDT Tuesday.

* 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>745-302300-
/O.CON.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
1000 AM CDT Sun Mar 30 2025

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

* WHAT...South to southwest winds to 30 kt shifting northwest to 
  25 kt tonight and significant waves to 8 ft occasionally to 10 
  ft expected.

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

* WHEN...Until 4 AM CDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$