Our highest tides are at Derby Jetty in Derby WA and can rise up to 11.8 metres.
Tides are the periodic rise and fall of sea level resulting from the gravitational interaction and motion of the Sun, Moon and Earth acting on ocean waters.
Australia’s highest tide
![Australia’s highest tide](http://theaustralianbookofrecords.com.au/cdn/shop/articles/1_Australia_s_Largest_Tides.jpg?v=1703294697&width=1100)