* WHAT...For the first Small Craft Advisory, southwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft occurring. For the second Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...For the first Small Craft Advisory, until 2 AM EDT Tuesday. For the second Small Craft Advisory, from 10 AM Tuesday to 8 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.