Marlborough Civil Defence may evacuate six more people from the Clarence River area this morning.
Yesterday, 30 rafters and kayakers were rescued from the area.
Marlborough Civil Defence controller Richard McNamara said they received a call about the group of six elderly people late last night.
They are staying at a residential property and are understood to be safe and well.
Civil Defence are attempting to get in touch with them to see if they need assistance.