* WHAT...For the Gale Warning, north gales to 40 kt and significant waves to 16 ft occasionally to 21 ft expected. For the Small Craft Advisory, north winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected.
* WHERE...Calumet Harbor IL to Burns Harbor IN.
* WHEN...For the Gale Warning, until 9 PM CST this evening. For the Small Craft Advisory, from 9 PM this evening to 4 AM CST Saturday.
* IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.