7/6-7/8: Semana Nautica Summer Sports Festival “Nautical Week” is a tradition that began in 1933 when visiting U.S. Navy sailors engaged vigorous residents in fun and games on the Santa Barbara waterfront. These events will bring the 81st edition to a close this weekend. Fri.: Youth Sailing Regatta. 10am. S.B. Harbor. Sat.: S.B. Tennis Open (also Sun.); 7am; Municipal Courts and Pershing Park. Age-Group Swim Meet (also Sun.); 8am; Los Baños del Mar Pool. Krazy Kardboard Kayak Race; 1pm; West Beach. Sun.: 6-Mile Ocean Swim, 9am; Goleta Beach to Hendry’s Beach. Spectators free. Visit semananautica.com.