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Tides and tidal streams

Tai me ngā manga taikato

Find out about the sea level data, predictions and calculations we publish to help you navigate New Zealand tides and tidal streams.

Aerial photo of Collingwood, showing peninsula

View Collingwood on Basemaps sourced from LINZ Data Service under Creative Commons Attribution 4.0 captured for Tasman District Council’ by NZ Aerial Mapping Ltd

Tide predictions

Tidal predictions are compiled for standard barometric pressure.

Tidal stream predictions

Tidal streams are the periodic horizontal movement of water. These have the same astronomical causes as tides, which move in a vertical direction.
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