The National Weather Service says large and battering waves — building up to 12 to 16 feet — are expected from now through Thursday morning along Evanston’s Lake Michigan shoreline.

The large waves combined with above average lake levels are expected to cause beach erosion, extremely dangerous conditions at the lakefront as well as minor lakeshore flooding.

The flood risk is expected to continue through 10 a.m. Thursday and the beach hazards through Thursday evening. Swimming conditions will be life threatening.

Evanston beaches closed for the season on Labor Day, and on Saturday three people had to be rescued from the water and a fourth person drowned attempting to swim along the Evanston lakefront.

Bill Smith is the editor and publisher of Evanston Now.