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Why are there two high tides per day?

Screenshot from the video shows competing effects of centrifugal force and gravity.

An excellent 8 minute video by Dr Becky Smethurst, astrophysicist, explains how the Sun, Moon and Earth contribute to the tides:

We all learn that the tides are caused by the Moon pulling on the Earth’s oceans. So how come there’s two high tides per day but we only have one Moon?

Watch the video on YouTube: Why are there TWO high tides per day?

It’s complicated…

This item was updated on Friday 08 July 2022

I live at Waikawa Beach and love all the wildlife, fauna and flora.