Road users travelling north of Kaikōura tonight are advised to drive with caution due to flooding on State Highway 1.

An NZTA spokesperson said following recent bursts of heavy rain, flooding has been reported across both lanes of SH1, near Washdyke Stream Bridge, between Waipapa Bay and Kekerengu.

Contractors are travelling to the site to check the condition of the road.

Earlier, surface flooding was also reported across both lanes on SH1 near Mangamaunu, and the intersection with Kiwa Road.

Drivers are urged to be vigilant and not to risk driving through floodwaters on the road.