Source: Bureau of Meteorology

Issued at 10:26 am ACST on Sunday 22 March 2026

Flood Watch Number: 4

ADDITIONAL AREAS OF MAJOR FLOODING LIKELY ACROSS PARTS OF THE TOP END FROM SUNDAY

Heavy rain from Tropical Cyclone Narelle fell across eastern parts of the Top End from Saturday night into Sunday. Narelle is expected to move west across the Top End on Sunday, bringing widespread heavy and, in some areas, intense rainfall through Sunday and into Monday. This rain is likely to cause both new and renewed flooding.

Catchments are wet to saturated across the Top End, and rivers and creeks will respond rapidly to heavy rainfall.

River and creek level rises are likely and additional areas of minor to major flooding may develop from Sunday morning. Roads may be affected, and some communities may become isolated. Check road conditions before travelling.

Catchments likely to be affected include:

East Kimberley Rivers

Victoria River below Kalkarindji(Flooding more likely in northern parts)

Fitzmaurice River

Moyle River

Katherine River(Major flood warning current)

Daly River above Douglas River

Lower Daly River(Major flood warning current)

Finniss River

Tiwi Islands

Upper Adelaide River(Moderate flood warning current)

Adelaide River below Adelaide River Town

Mary River

Wildman River

South Alligator River

East Alligator River

Goomadeer River

Liverpool River

Blyth River

Goyder River

Buckingham River

Koolatong River

Walker River

Waterhouse River(Major flood warning current)

Roper River

Groote Eylandt

Flood Warnings are current for the following catchment(s): Katherine, Daly above Douglas, Lower Daly, Upper Adelaide and Waterhouse

For the latest flood and weather warnings see www.bom.gov.au/weather-and-climate/warnings-and-alerts

For the latest rainfall and river level information see www.bom.gov.au/australia/flood

Safety Advice:
Don't drive, walk, swim or play in floodwater because it is dangerous.
Stay away from flooded drains, rivers, streams and waterways.
Obey road closure signs. Plan ahead so you don't drive on flooded roads.
Check the ABC and local media for updates. The situation can change quickly, so stay informed.
For local emergency management warnings and advice visit www.securent.nt.gov.au.
For emergency assistance call SES on telephone number 132 500. In life-threatening emergencies, call 000 (triple zero) immediately.

Rainfall and River Conditions Map