Overview

• Beach and coastal hazard statements remain in effect across portions of Wisconsin, Indiana, Michigan, Minnesota, Illinois, Ohio, New York, and Pennsylvania.
• Forecasts call for waves of 3 to 7 feet on many shores with up to 8 feet in parts of Cook County, Illinois, producing strong rip, structural and longshore currents.
• Berrien County, Michigan alerts cite waves building from 3–6 feet Thursday afternoon to 4–7 feet Thursday evening with piers expected to be heavily swamped.
• Marquette and Alger counties in Michigan face dangerous swimming conditions at historically trouble‑prone sites identified by forecasters due to high wave action and strong rip currents.
• NWS offices caution boaters and swimmers to stay out of the water and off piers, with conditions expected to improve as waves subside to around 3 feet by Friday afternoon.