Real Time Sea Level Display


Real Time Sea Level Display for Vanuatu

1. What is the source of the real-time data on the display?

The sea level and meteorological data displayed are those received from tidal gauge facilities located in countries in the Pacific.

2. What are the sea level predictions and where to they come from?

These are tide predictions generated by the Australian National Tidal Centre ( and are revised every year. These predictions do not include the effects of any local conditions that may occur throughout the year, such as weather patterns.

6. How current is the real-time data on the display?

It is normal for the data displayed to lag behind the current UTC time due to the time required to obtain the data and process it for display. Delays may also be experienced when there are problems with data communications services or other processes used to transfer the tide gauge data to the real-time display.

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