Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook...CORRECTED
National Weather Service Chicago/Romeoville IL
645 PM CDT Tue Jul 21 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-221930-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
645 PM CDT Tue Jul 21 2026 /745 PM EDT Tue Jul 21 2026/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

  High Swim Risk at Lake Michigan Beaches.

DISCUSSION...

Building waves and rip currents will lead to dangerous swimming
conditions at unprotected Lake Michigan beaches.

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

Wednesday...
  High Swim Risk at Lake Michigan Beaches.
Saturday night...
  Limited Thunderstorm Risk.
Sunday and Monday...
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.


$$

Coastal Hazard Message
National Weather Service Chicago IL
903 PM CDT Tue Jul 21 2026

ILZ006-103-104-221015-
/O.CON.KLOT.BH.S.0008.000000T0000Z-260723T0300Z/
Lake IL-Northern Cook-Central Cook-
903 PM CDT Tue Jul 21 2026

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...High wave action and dangerous currents expected at Lake
  Michigan beaches. Waves 7 to 10 ft expected.

* WHERE...Lake IL, Northern Cook and Central Cook Counties.

* WHEN...Through Wednesday evening.

* IMPACTS...Swimming conditions will be life threatening,
  especially for inexperienced swimmers. For information on swim
  advisories or bans at Chicago beaches: www. cpdbeaches. com.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.

&&

$$

Hazard Report Provided By forecast.weather.gov