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Kōrero: Ocean currents and tides

Low tide at Manukau Harbour

Low tide at Manukau Harbour

Estuaries like Manukau Harbour change with the outgoing tide from a coastal inlet to mudflats. Currents in estuaries are mainly generated by tides, and wash sediment in and out along channels visible at low tide.

Te whakamahi i tēnei tūemi

GNS Science

Reference: CN22762

by Lloyd Homer

Permission of GNS Science must be obtained before any use of this image.

Ngā whakaahua me ngā rauemi katoa o tēnei kōrero

Me pēnei te tohu i te whārang

Craig Stevens rāua ko Stephen Chiswell, Ocean currents and tides – Fiords, estuaries and river plumes, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/mi/photograph/5937/low-tide-at-manukau-harbour (accessed 25 June 2026).

He kōrero nā Craig Stevens rāua ko Stephen Chiswell, i tāngia i te 2 March 2009.