The South West was lashed by strong winds overnight as a cold front crossed the coast.
According to the Bureau of Meteorology, Mandurah recorded a wind gust of 89km/h just after 7pm.
Cape Leeuwin topped the list with a gust of 124km/h at 7:38pm, Rottnest Island recorded 102km/h at 8.05pm and Garden Island 96km/h at 8.13pm.
Bureau of Meteorology forecaster Adam Conroy said large waves were also recorded off the coast.
"Around Mandurah we recorded waves offshore reaching around 6 metres and the further offshore you go it was even higher, Rottnest peaked at 8 metres last night and we recorded 9 metres down south," he said.
Conditions are set to ease throughout today and tomorrow.
Another cold front is forecast on Wednesday.
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