Strong winds have caused havoc across the state, bringing down trees and powerlines this afternoon.

A caravan was crushed at Monteith, near Murray Bridge, when strong winds blew over a large tree.

More than 10,000 homes have had their power cut at some stage through the day.

A large pine tree was blown onto a home at Bridgewater, while another was reported at Aberfoyle Park.

Strong winds have also reportedly blown a large verandah onto a house at Elizabeth Park.

Police were even forced to block off Norton Summit Rd after four trees fell onto the roadway in the windy conditions.

The State Emergency Service (SES) responded to more than 300 calls for help today, and are expecting even more overnight.

Storms have also caused the suspension of the Kangaroo Island SeaLink ferry.

The Bureau of Meteorology has issued a severe weather warning for much of the state, including: the Adelaide Metropolitan area, Mount Lofty Ranges, Lower Eyre Peninsula, Eastern Eyre Peninsula, Yorke Peninsula, Kangaroo Island, Mid North, Murraylands, Upper South East, Lower South East and parts of the West Coast and Riverland districts.

“A deep low south of the Bight is moving east and is expected to be south of Kangaroo Island this afternoon and west of Tasmania tonight,” the warning reads.

“This low is generating strong and squally northwest to west winds across the southern half of the state.

“Conditions will begin to ease from the west this evening.”

Wind gusts of between 100km/h and 120km/h have been recorded on the Lower Eyre Peninsula and on Kangaroo Island, while in Adelaide the gusts peaked at about 80km/h.

The bureau says gusts of up to 100km/h can be expected in some areas overnight, with average winds between 50km/h and 70km/h.

The Bridgewater home damaged by a fallen tree. Photo: 7News

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