Watches, Warnings & Advisories



2 products issued by NWS for: 8NM ESE Chicago IL

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
354 AM CDT Tue Apr 29 2025

LMZ740>745-300900-
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-
354 AM CDT Tue Apr 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...Today and Tonight.

Weather hazards expected...

  Hazardous conditions for small craft today.
  Gale force winds expected this morning IL shore.

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

Wednesday night and Thursday...
  Limited Thunderstorm Risk.

$$

KJB

Visit us at www.weather.gov/chicago




Gale Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
340 AM CDT Tue Apr 29 2025

LMZ740>743-291645-
/O.CON.KLOT.GL.W.0018.000000T0000Z-250429T1800Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
340 AM CDT Tue Apr 29 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

* WHAT...Southwest gales to 35 kt occurring.

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

* WHEN...Until 1 PM CDT this afternoon.

* 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.

&&

$$