Small Craft Advisory

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 7 AM this morning to 7 PM CDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.