* WHAT...Life-threatening waves and currents expected. - High wave action: Waves building to 3 to 5 feet through today and then building to 5 to 8 feet tonight into Wednesday before receding Wednesday night. - Life threatening rip, longshore, and structural currents are expected. Structural currents may be especially strong on the north sides of piers or breakwalls into the evening. * WHERE...Northern Berrien and Southern Berrien counties. * WHEN...Through late Wednesday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.