Port and South Hedland have been the latest Pilbara towns to be put on blue alert as a tropical low moves off the north west coast.
People in, near and between Cape Leveque and Bidyadanga, including Broome, have been put on yellow alert while people in, near and between Cockatoo Island Cape Leveque, including Hedland Marble Bar and nearby communities, have been put on blue alert.
The alerts come as the Bureau of Meteorology predicts the tropical low, which moved off the coast this afternoon, will develop into a tropical cyclone tomorrow afternoon.
The low is slow moving and is predicted to bring destructive winds with gusts up to 170km/h and heavy rainfall up at 300mm.
The Department of Fire and Emergency services advises people to prepare for cyclonic weather and organise an emergency kit including first aid kit, torch, portable radio, spare batteries, food and water.
Tides are expected to be higher between Cape Leveque and Pardoo Roadhouse and there has been flood watches announced for the North and West Kimberley Rivers, De Grey River, Pilbara Coastal rivers, Fortescue River and Sandy Desert Catchments.
To keep up to date as the low develops visit emergency.wa.gov.au or call 13 DFES.