The public is invited to an afternoon of Ocean Day learning on June 4.

Registration for the free event is required by tomorrow.

The event will be held in the Ala Moana Hotel's Garden Lanai Room, from 1 to 5 p.m.

It will feature coral reef experts and speakers slated to discuss how climate change affects oceans.

For more information or to register, call 956-6163 or e-mail pacon@hawaii.edu.