* WHAT...WHAT...Life-threatening waves and currents expected. - High wave action: Waves building to 3 to 5 feet tonight through Tuesday. Waves building to 5 to 9 feet Tuesday night 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...From late tonight through late Wednesday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. Remain out of the water to avoid hazardous swimming conditions. Do not venture out on piers.