As more of the intense weather that has pounded the North Island moves south, people are being reminded to take extra care on the roads and to stay abreast of any warnings and traffic restrictions.

Areas such as Kaikōura and Banks Peninsula have already seen heavy rain, and MetService is warning that the large low-pressure system that has been over the North Island is still packing a punch as it heads down the South Island this afternoon.

In addition to the usual advice about taking care while driving on wet roads, people should be aware of a raised risk of treefall, slips and surface floodings from sustained rainfall.

New Zealand Transport Agency Waka Kotahi (NZTA) and local councils are also monitoring lake levels that could impact State Highway 75/Christchurch-Akaroa Road, as heavy rain is forecast on Banks Peninsula through until 6pm tomorrow.

Those travelling on State Highway 1 between Picton and Christchurch should also be aware of the flood risk from rivers and streams, along with the potential impacts of large coastal swells through until tomorrow morning.

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