* WHAT...For the Gale Warning, north gales to 40 kt and significant waves to 16 ft occasionally to 21 ft. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 14 ft occasionally to 18 ft expected.
* WHERE...Calumet Harbor, IL to Michigan City, IN.
* WHEN...For the Gale Warning, until 1 AM CDT Saturday. For the Small Craft Advisory, from 1 AM to 3 PM CDT Saturday.
* IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.