Chicago, Illinois – High waves and dangerous currents will continue to threaten Lake Michigan beachgoers through Friday afternoon, August 1st, prompting an urgent warning from the National Weather Service.
According to a Beach Hazards Statement issued by the NWS Chicago office, waves of 4 to 8 feet are expected through Friday afternoon along beaches in Cook, Lake, and Porter counties. Strong currents and surf will make swimming conditions potentially life-threatening. Officials urge residents and tourists to stay out of the water and away from piers and jetties. Check for swim bans and beach conditions at cpdbeaches.com.
While inland weather turns sunny and pleasant heading into the weekend, the lakeshore remains dangerous. Northeast winds up to 20 mph are fueling high wave action, especially near Chicago’s North Avenue and 63rd Street beaches.
Expect a breezy Thursday with highs near 74°F before skies clear and temperatures rebound. Friday will be mostly sunny with a high near 75°F—perfect for outdoor plans, but not for lake swimming.
☀️ Extended Five-Day Forecast for Chicago (August 1–6):
- Friday, August 1: Mostly sunny, high near 75°F. Northeast winds 10-15 mph. Beach hazard continues through afternoon.
- Saturday: Sunny, high around 75°F. Light winds. Ideal for outdoor activities—parks, patios, and festivals.
- Sunday: Mostly sunny, high near 77°F. Calm and warmer. Perfect day to enjoy the city without lake risks.
- Monday: Partly cloudy, high near 79°F. Continued summer warmth.
- Tuesday: Slight chance of showers, high near 79°F. Muggy and breezy—watch for pop-up showers in the evening.
- Wednesday, August 6: Mostly sunny, high near 80°F. Classic August heat settles in mid-week.
Reminder: The Beach Hazards Statement remains in effect through Friday afternoon. Always check conditions before heading to the shore.
