A Severe Weather Warning has been issued for Sydney with most of the state being hit with extreme winds.
The winds are due to a low-pressure system over the southern Tasman Sea.
It is currently moving over the southeastern and central eastern parts of NSW today.
Winds will turn southerly on Saturday and remain strong along the coast as the low moves further east.
So far, 20 flights out of Sydney have been cancelled this morning after a wind gust was recorded at 72km/h at the airport.
Locations which may be affected include Sydney, Wollongong, Nowra, Batemans Bay, Goulburn, Katoomba and Cooma.
A wind gust of 87km/h was recorded at Mount Boyce at 12:44am Friday.
Wind gusts of 90 km/h were recorded at Cabramurra, Nowra and Nerriga Thursday afternoon and evening.
The State Emergency Service advises that people should:
- Move vehicles under cover or away from trees.
- Secure or put away loose items around your house, yard and balcony.
- Keep at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
- Report fallen power lines to either Ausgrid on 131 388, or Endeavour Energy on 131 003 or Essential Energy on 132 080, as shown on your power bill.
- For emergency help in floods and storms, ring your local SES Unit on 132 500.