The State Emergency Service responds to more than 2,300 incidents and 25 flood rescues, most of which involve people driving through floodwaters.

A VERY DANGEROUS THUNDERSTORM that produced heavy, locally intense rainfall that may lead to dangerous and life-threatening flash flooding was detected near Mona Vale and Manly. Manly Lagoon is open.

Narrabeen Lagoon and surrounds, including the BIG4 Sydney Lakeside Holiday Park. You should monitor the situation as it is constantly changing. Avoid floodwater for your safety.