682
WHUS73 KLOT 170846
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
346 AM CDT Thu Jul 17 2025

LMZ744-745-171700-
/O.CON.KLOT.SC.Y.0073.250717T0900Z-250718T0900Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
346 AM CDT Thu Jul 17 2025

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

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

* WHERE...Gary to Michigan City IN.

* WHEN...Until 4 AM CDT Friday.

* 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>743-171700-
/O.CON.KLOT.SC.Y.0073.250717T1400Z-250718T0900Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
346 AM CDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 4 AM CDT FRIDAY...

* WHAT...North winds to 20 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
  Harbor IL to Gary IN.

* WHEN...From 9 AM this morning to 4 AM CDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$