A diver was reported overdue after diving in the Raurimu Island area. The support boat became conerned when the diver stayed underwater after the agreed time to resurface. Whakatane Coastguard notified the Police and an emergency rescue operation was declared.  Whakatane Rescue was readied for sea with a crew of three. Ten minutes after the alarm, the support boat notified Whakatane Coastguard that the diver had resurfaced. Whakatane Rescue was put on hold awaiting further advice.  At 10.05hr the support boat reported that the missing diver was on board and safe.