Source: Bureau of Meteorology

Flood Watch for western parts of the Pilbara, Gascoyne, Central and Lower West Coastal catchments

Issued at 11:39 am AWST on Friday 27 March 2026

Flood Watch Number: 10

FLOODING POSSIBLE IN WESTERN PARTS OF THE PILBARA, GASCOYNE, CENTRAL AND LOWER WEST COASTAL CATCHMENTS

Severe Tropical Cyclone Narelle is moving south and passing just west of the North West Cape. On Saturday Tropical Cyclone Narelle is expected to weaken as it moves quickly to the south southeast over land.

Severe Tropical Cyclone Narelle is forecast to bring widespread heavy rainfall with areas of intense rainfall across the western Pilbara, Gascoyne and Central West catchments during Friday. Heavy rainfall may extend south across catchments in the Lower West and Great Southern into Saturday.

Catchments are relatively dry across the Flood Watch area. River and creek level rises and areas of minor to moderate flooding may develop from Friday. Localised flooding and overland inundation is also possible within the Flood Watch area as well as prolonged overland flooding and ponding.

Roads may be affected, and some communities may become isolated. Check road conditions before travelling.

Catchments likely to be affected include:
Avon River

Swan River

Moore and Hill Rivers

Yarra Yarra Lakes District

Greenough River

Murchison River

Wooramel River

Gascoyne River
(Flood Warning current)

Lyndon-Minilya Rivers

A Flood Warning is current for the Gascoyne River catchment. Tropical Cyclone Advice is current for parts of the Flood Watch area. A Severe Weather Warning is current for parts of the Flood Watch area.

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.emergency.wa.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