Flood advisory in effect along Lake Michigan until 9 p.m.

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Easterly winds associated with an intensifying low central plains pressure system will strengthen over the Chicago area Saturday.

A Lakeshore Flood Advisory (light-green-shaded counties on the headlined map) has been issued for the immediate Illinois Lake Michigan shoreline.

Between 10 a.m. and 9 p.m., 25 to 40 mph winds are expected to build 8- to 12-foot waves on southern Lake Michigan. The waves will drive up lake levels along the Illinois shoreline, causing minor flooding of typical flood-prone areas near the lake.

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