The image below represents a snapshot of the latest tsunami gauge recordings for operational instruments in the New Zealand region from GeoNet.

The timestamp shown at the top right of the diagrams below is the time when the images were last refreshed.

The previous 36 hours of sea level variations from all operational sites are displayed, oldest to most recent from left to right. Within the sampling period of one minute, the dark part of the trace shows the average sea level height, whilst the grey part shows the maximum and minimum values.