Source: Bureau of Meteorology

Issued at 11:51 am ACST on Saturday 21 March 2026

Flood Watch Number: 3

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

Tropical Cyclone Narelle is currently tracking westward through the Gulf of Carpentaria. The system is forecast to cross into the Northern Territory overnight Saturday into Sunday.

Major flooding is continuing in the Daly River. Tropical Cyclone Narelle is forecast to bring widespread heavy to locally intense rainfall to parts of the Top End from overnight Saturday. 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, Lower Daly, Upper Adelaide and Waterhouse. A Tropical Cyclone advice is current for parts of Northern Territory.

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

Rainfall and River Conditions Map