Friday - Sunday, April 4 - 6:  Hawai`i Ocean Expo 2014.  Hawai`i's premier annual event for water enthusiasts of all ages and abilities.  Each year, this family-friendly expo fills Blaisdell with a rich gathering of activities, exhibitions, educational opportunities, entertainment and shopping opportunities that will appeal to anyone who loves the ocean.  Neal S. Blaisdell Exhibition Hall, 777 Ward Ave., Honolulu.  9 a.m. to 5 p.m.  For information call (808) 768-5433 or visit www.hawaiioceanexpo.com.