Tropical Cyclone Fina is forming off the Northern Territory's Top End and has the potential to hit land on Friday or Saturday, bringing destructive winds and heavy rainfall.

The Bureau of Meteorology (BOM) has issued a cyclone watch alert for communities in north-west Arnhem Land and the Tiwi Islands, with Tropical Cyclone Fina now due to make landfall as a category two storm.

Live 120-hour Cyclone Fina forecast map

This map shows a 120-hour forecast for Tropical Cyclone Fina's path

It also shows high wind, cyclone watch and cyclone warning areas

Tropical Cyclone Fina is expected to make landfall west of Minjilang by Saturday morning

Official BOM Cyclone Fina track map

A cyclone warning zone encompasses stretches from Milingimbi in the east to the entire Tiwi Islands in the west,

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