408
WHUS73 KLOT 171453
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
953 AM CDT Sat May 17 2025

LMZ743>745-172100-
/O.CON.KLOT.SC.Y.0061.000000T0000Z-250517T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
953 AM CDT Sat May 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...West winds to 30 kt and significant waves to 5 ft.

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

* WHEN...Until 4 PM CDT this afternoon.

* 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>742-172300-
/O.CON.KLOT.SC.Y.0061.000000T0000Z-250518T0000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
953 AM CDT Sat May 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...West winds to 30 kt with occasional gale gusts to 35
  kt. Significant waves to 4 ft.

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

* WHEN...Until 7 PM CDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$