Watches, Warnings & Advisories



2 products found for Marine Zone: LMZ744

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
301 PM CST Sat Nov 29 2025

LMZ740>745-302115-
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-
301 PM CST Sat Nov 29 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...Tonight.

Weather hazards expected...

  Hazardous conditions for small craft are likely.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

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

$$

Carlaw

Visit us at www.weather.gov/chicago




Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
240 PM CST Sat Nov 29 2025

LMZ743>745-300445-
/O.CON.KLOT.SC.Y.0105.000000T0000Z-251201T1300Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
240 PM CST Sat Nov 29 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CST MONDAY...

* WHAT...Southeast winds to 30 kt through this evening, becoming
  northwest to 30 kt Sunday. Occasional gales to 35 kt this
  evening and again Sunday morning. Significant waves to 11 ft
  occasionally to 14 ft.

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

* WHEN...Until 7 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.

&&

$$