451
WHUS73 KLOT 191501
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
901 AM CST Sun Jan 19 2025

LMZ744-745-192315-
/O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/
/O.CON.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
901 AM CST Sun Jan 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST
MONDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM NOON TODAY
TO 4 AM CST MONDAY...

* WHAT...For the Small Craft Advisory, northwest winds to 25 kt
  and significant waves to 7 ft occasionally to 9 ft. For the
  Heavy Freezing Spray Warning, heavy freezing spray at a rate of
  2 cm per hour or greater expected, and may rapidly accumulate on
  vessels.

* WHERE...Gary to Michigan City IN.

* WHEN...For the Small Craft Advisory, until 10 PM CST Monday.
  For the Heavy Freezing Spray Warning, from noon today to 4 AM
  CST Monday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of
  stability. Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

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

&&

$$

LMZ740>743-192315-
/O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
901 AM CST Sun Jan 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

* WHAT...Northwest winds to 25 kt and significant waves to 6
  occasionally to 8 ft.

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

* WHEN...Until 4 AM CST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$