The National Weather Service has extended swimming advisories for parts of Lake Michigan as forecasters predict high waves and strong currents over the next two days. Lake, Porter and LaPorte counties in Indiana are under advisories. A 16-year-old boy went missing Sunday after he was pulled under the water in Portage, Indiana. The Great Lakes Surf Rescue Project on Sunday reported Lake Michigan had seen 32 drownings, and one of unknown condition, since Jan. 1, according to the newspaper. Read more: Swimmers caught in Lake Michigan rip current rescued