Source: Bureau of Meteorology

For people in South West and parts of Lower West and South Coastal districts.

Issued at 11:04 am Sunday, 17 June 2018.

Destructive gusts are possible in isolated areas across the southwest as a cold front moves through overnight.

Weather Situation:
A moderate to strong cold front will move across southwest parts of the State overnight tonight.

The weather system may cause WIDESPREAD DAMAGING WINDS to 100 kilometres per hour that could result in DAMAGE TO HOMES AND PROPERTY in the southern half of the warning area.

In isolated areas DANGEROUS GUSTS in excess of 125 kilometres per hour are possible and could cause SIGNIFICANT DAMAGE OR DESTRUCTION TO HOMES AND PROPERTY.

The onset of severe weather is expected at the South West Capes from approximately 10pm this evening, extending to eastern parts of the warning area with the passage of the cold front by 1am on Monday.

The threat of severe weather is likely to have ceased at the South West Capes by 1am and throughout the warning area by 3am on Monday.

Gusty showers and thunderstoms are expected to continue during Monday.

Locations which may be affected include Bunbury, Busselton, Mandurah, Manjimup, Margaret River and Walpole.

This is typical weather for this time of year but winds may cause damage to property and make road conditions hazardous.

The Department of Fire and Emergency Services advises that people should:
* If outside find safe shelter away from trees, power lines, storm water drains and streams.
* Close your curtains and blinds, and stay inside away from windows.
* Unplug electrical appliances and do not use land line telephones if there is lightning.
* If boating, swimming or surfing leave the water.
* Be alert and watch for hazards on the road such as fallen power lines and loose debris.
* Keep away from flooded drains, rivers, streams and waterways.
* Be careful of fallen trees, damaged buildings and debris.
* Be careful of fallen power lines. They are dangerous and should always be treated as live.
* Assess your home, car and property for damage.
* If damage has occurred take photos and contact your insurance company to organise permanent repairs.
* If your home or property has significant damage, like a badly damaged roof or flooding, call the SES on 132 500.