551
WHUS73 KLOT 272019
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
219 PM CST Thu Nov 27 2025

LMZ743>745-280430-
/O.CAN.KLOT.GL.W.0029.000000T0000Z-251128T0400Z/
/O.EXB.KLOT.SC.Y.0104.000000T0000Z-251128T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
219 PM CST Thu Nov 27 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST FRIDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds to 30 kt and significant waves to 10 ft
  occasionally to 13 ft expected. A few 35 kt gales possible
  through this evening.

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

* WHEN...Until 3 PM CST 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>742-280430-
/O.EXT.KLOT.SC.Y.0104.000000T0000Z-251128T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
219 PM CST Thu Nov 27 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST FRIDAY...

* WHAT...Northwest winds to 30 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

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

* WHEN...Until 9 AM CST 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.

&&

$$