WHUS73 KLOT 230801
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
301 AM CDT Sun Aug 23 2026

LMZ741-742-230915-
/O.CAN.KLOT.SC.Y.0076.260823T0900Z-260824T0000Z/
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
301 AM CDT Sun Aug 23 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Latest wave forecast shows the highest waves staying more in the 3
to 5 ft range which is just below Small Craft criteria. Therefore,
the advisory has been cancelled.

$$

LMZ743-231615-
/O.EXT.KLOT.SC.Y.0076.260823T0801Z-260824T0300Z/
Calumet Harbor IL to Gary IN-
301 AM CDT Sun Aug 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Significant waves to 6 ft occasionally to 8 ft expected.

* WHERE...Calumet Harbor IL to Gary IN.

* WHEN...Until 10 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.

&&

$$

LMZ744-745-231615-
/O.CON.KLOT.SC.Y.0076.000000T0000Z-260824T0300Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
301 AM CDT Sun Aug 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Significant waves to 6 ft occasionally to 8 ft expected.

* WHERE...Gary to Michigan City IN.

* WHEN...Until 10 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.

&&

$$