* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Waves 3 to 5 feet will subside to 2 to 4 feet overnight.
* WHERE...In Indiana, Northern La Porte county. In Michigan, Northern Berrien and Southern Berrien counties.
* WHEN...Until 5 AM EDT /4 AM CDT/ Tuesday.
* IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.