Flip the trampoline and park the Kingswood safely in the garage because there's some interesting weather heading our way.

The Bureau of Meteorology has issued a severe weather warning for areas including the Fleurieu and Kangaroo Island.

Damaging winds are predicted to develop over Eyre Peninsula this afternoon, which will then head our way.

Abnormally high tides are also predicted for Thursday.

The Bureau says the conditions will cause sea levels to be "significantly higher than indicated on tide tables".

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Severe Weather Warning

for DAMAGING WINDS and ABNORMALLY HIGH TIDES

For people in Adelaide Metropolitan, Mount Lofty Ranges, Lower Eyre Peninsula, Eastern Eyre Peninsula, Yorke Peninsula, Mid North, Kangaroo Island and parts of West Coast and Murraylands districts.

Issued at 9:56 am Wednesday, 23 June 2021.

Damaging Winds from Wednesday afternoon; Abnormally High Tides on Thursday

Weather Situation: A deep low pressure system centred south of the Bight will move eastwards to be near Kangaroo Island on Thursday morning and over western Victoria later in the evening.

Strong to damaging northwest to westerly winds, averaging 50-65 km/h with gusts of 90-100 km/h, are likely to develop about western Eyre Peninsula later this afternoon, extending across the warning area overnight.

Localised damaging wind gusts in excess of 90 km/h may occur about coastal areas and with showers and thunderstorms.

Locations which may be affected include Adelaide, Port Lincoln, Whyalla, Cleve, Goolwa, Maitland, Murray Bridge and Kingscote.

These conditions will cause sea levels to be significantly higher than indicated on tide tables on Thursday. Sea levels along parts of Spencer Gulf and Gulf St Vincent coastlines are likely to be at least half a metre higher than the highest astronomical tide of the year.

At the Outer Harbor tide gauge, the sea level is forecast to reach around 3.5 to 3.8 metres mid to late afternoon on Thursday. This may cause sea water flooding of low lying areas and localised beach erosion.

The State Emergency Service advises that people should:

* Move vehicles under cover or away from trees;

* Secure or put away loose items around your property.

* Don't drive, ride or walk through flood water;

* Stay indoors, away from windows, while conditions are severe.

The next Severe Weather Warning will be issued by 5:00 pm ACST Wednesday.

Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.