A deep low pressure system is expected to bring a once-in-five-year storm to Western Australia’s coast starting Saturday evening [1], [2].
The timing of the weather event coincides with a long weekend, increasing the potential risk to residents and travelers in affected coastal regions. Local authorities are monitoring the system as it moves toward the west-facing coastline.
The Bureau of Meteorology said the storm will impact a wide stretch of the coast. The forecast area extends from Geraldton in the north, through Lancelin, and into the state’s south-west region [1], [2].
The Bureau of Meteorology said the severity of the system is characteristic of a storm that occurs only once in five years [1]. The impact is expected to begin on Saturday evening, May 30, 2026 [2], and continue throughout the remainder of the long weekend.
Warnings have been issued for potential impacts across these regions. The deep low pressure system is forecast to bring severe weather that could disrupt activities and infrastructure along the coast [1], [2].
Residents in the path of the storm are advised to monitor official updates from the Bureau of Meteorology as the system approaches the coast. The combination of the storm's intensity and the holiday weekend timing has prompted heightened vigilance for the state's south-west and northern coastal towns [1].
“A deep low pressure system is expected to bring a once-in-five-year storm to Western Australia’s coast.”
The classification of this event as a 'once-in-five-year' storm indicates a level of intensity that exceeds typical seasonal weather. Because the storm is hitting during a long weekend, there is a higher likelihood of increased traffic and public activity in coastal areas, which may complicate emergency responses and evacuation efforts if the system causes significant infrastructure damage.





