SAFE BOATING CLASSES for skippers and would-be skippers, teen through adult, 7 p.m. Mondays starting tomorrow, Waikiki Yacht Club, entrance to Ala Moana Park; free, nominal charge for materials; early registration advised; sponsored by Honolulu Sail and Power Squadron; boat ownership not required; graduates who join the squadron are eligible for 14 advanced navigating and marine equipment courses. 926-1122.
KOREAN CENTENNIAL CONCERT featuring some of South Korea's biggest stars, including Patty Kim, Sook-sun Ahn, Young-Nam Cho, Hyun Chul, Dae-Kwan Song, Taejinah, Jung-hyun and more, 6:30 p.m., Waikiki Shell; free tickets available at KBFD TV, Korea Times, Korea Central Daily, Radio Korea, Kalihi Queen's Super Market, Palama Supermarket, Hyundae Supermarket, Shilla Restaurant, Seoul Jung Restaurant and Sorabol Restaurant. 342-6437.
HONOLULU CHORALE needs singers for performances at concerts, hotels, nursing and retirement homes; join them at 6:30 p.m., St. Andrew's School for Girls, 224 Queen Emma Square. Call Mal: 538-0196.
"GEOLOGY OF OLD KAILUA" is the topic of Kailua Historic Society talk by Dr. Floyd McCoy, professor of geology at Windward Community College, 7-8:30 p.m. at Kailua Recreation Center, behind fire station; free.
"GERMAN WOMEN AGAINST HITLER," lecture by Florida State University's Nathan Stoltzfus; sponsored by The Toda Institute and UH-Manoa departments of political science, sociology, history and women's studies, 7 p.m., Krauss Hall, Yukiyoshi Room.
"SMART WAYS TO FUND YOUR CHILD'S COLLEGE EDUCATION," a free financial strategies talk by Chad Adams, financial adviser with American Express, 6:30 p.m., Salt Lake/Moanalua Public Library. 831-6831.