Eventually, locals got the pod together in slightly deeper water and they swam away of their own accord about 3.30pm, just before a rescue team arrived from the Department of Conservation's Kaitaia office.
Mrs Urlich said Tokerau Beach had had a run of whale strandings some years ago so locals were well versed in marine mammal rescues.
Dolphin expert Jo "Floppy" Halliday, of Opua, said she knew of several similar incidents around the Far North in recent years.
The cause was not clear but it was possible they were trying to avoid predators; the most likely explanation was that they were hunting for pilchards or mackerel in the shallows.
On the same day she saw a pod of bottlenose dolphins feeding on pilchards in the shallows off Russell's Long Beach.