Watches, Warnings & Advisories



2 products found for Marine Zone: LMZ744

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
331 AM CST Tue Dec 2 2025

LMZ740>745-030945-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
331 AM CST Tue Dec 2 2025

This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Hazardous conditions for small craft.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday and Thursday...
  Hazardous conditions for small craft are likely.
Sunday...
  Hazardous conditions for small craft are likely.

$$

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Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
955 AM CST Tue Dec 2 2025

LMZ743>745-030000-
/O.CON.KLOT.SC.Y.0106.251203T0600Z-251204T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
955 AM CST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 3 PM CST THURSDAY...

* WHAT...Southwest to west winds to 25 to 30 kt and significant
  waves building to 9 ft occasionally to 12 ft expected.

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

* WHEN...From midnight tonight to 3 PM CST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$