Gurnee, Illinois, is not coastal, so surfing activities center around specialized indoor wave simulators or perhaps kite/windsurfing access on nearby Lake Michigan during warmer months. Check the operating hours for any local wave pools well in advance, as schedules fluctuate seasonally, often prioritizing weekends. Booking simulator time is highly recommended, especially during peak winter months when demand for indoor aquatic activities increases significantly. Dress appropriately for the ambient temperature near indoor water features. Before going in, check the local beach forecast and talk to the lifeguard on duty (National Weather Service advice).