Watches, Warnings & Advisories



2 products found for Marine Zone: LMZ744

Gale Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
118 AM CST Fri Feb 20 2026

LMZ743>745-201530-
/O.CON.KLOT.GL.W.0009.260220T0800Z-260221T0000Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
118 AM CST Fri Feb 20 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...Southwest gales to 45 kt and significant waves to 9 ft
  occasionally to 12 ft expected.

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

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$




Hazardous Weather Outlook

Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
852 PM CST Thu Feb 19 2026

LMZ740>745-210300-
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-
852 PM CST Thu Feb 19 2026

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...

  Gale force winds and hazardous waves.
  Limited Thunderstorm Risk.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...
  Gale force winds and hazardous waves.
Saturday through Wednesday...
  Hazardous conditions for small craft are likely.

$$

Petr

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