Small Craft Advisory issued December 21 at 3:36AM CST until December 21 at 9:00AM CST by NWS Chicago IL

* WHAT…North winds to 25 kt and significant waves to 6 ft
occasionally to 8 ft.

* WHERE…Winthrop Harbor to Calumet Harbor IL.

* WHEN…Until 9 AM CST this morning.

* IMPACTS…Conditions will be hazardous to small craft.