Video / Niwa WeatherAuckland’s North Shore and Aotea Great Barrier Island have 15-hour heavy rain watches starting at midnight, while a 24-hour heavy rain watch has been placed on the Coromandel Peninsula from midnight tonight. Northland’s heavy rain watch will last 18 hours, starting at 6pm, and follows a weekend deluge that caused widespread flooding, trapping people in communities and seeing landslides ruin properties. Heavy rain watches are in place across the top of the North Island, including one for 24 hours in Coromandel. Severe Weather Update ⚠️Further heavy rain expected for the North Island 🌧️🟡 Yellow Heavy Rain Watch for Northland🟡 Yellow Heavy Rain Watches for Auckland (north of the Harbour Bridge) and Great Barrier Island🟡 Yellow Heavy Rain Watch for the Coromandel Peninsula… pic.twitter.com/C7bBMwbNWQ — MetService NZ (@MetService) January 18, 2026These conditions are forecast to stick around into the afternoon and evening, but the thunderstorm risk expands into Coromandel. Photos / Ayla HawkinsBurrows said the low will pass over the North Island, causing more damage, on Thursday, but conditions should improve for the region beyond then.

Source: New Zealand Herald January 18, 2026 22:53 UTC