Dense Fog 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 7 ft occasionally to 9 ft expected.

* WHERE...Calumet Harbor IL to Burns Harbor IN.

* WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 10 AM this morning to 7 PM CDT Tuesday.

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