* WHAT...North winds 10 to 20 knots. Gusts up to 25 knots from late morning into the afternoon. Waves 2 to 4 feet building to 3 to 5 feet this afternoon and evening. * WHERE...Michigan City IN to St Joseph MI. * WHEN...From 11 AM this morning to 11 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.