See the latest forecast and wind speeds as the system approaches Far North Queensland.
The last Australian triple landfall system was Severe Tropical Cyclone Ingrid more than two decades ago.
A severe tropical cyclone is likely to hit northern Queensland later this week.
Tropical Cyclone Horacio is a named weather disturbance developed from the warm surface of the ocean and is being monitored very closely by the respective Meteorological Departments in each country.
Residents facing a mammoth clean-up after devastating flooding across the Top End are now being urged to prepare for more rain and a possible cyclone in the days ahead.