The Department of Conservation has confirmed that the decision has been made to euthanise the remaining 16 whales who became stranded at Farewell Spit.

A 53-year-old man has been charged with assaulting another man and throwing him overboard from a yacht in the Marlborough Sounds.

A Nelson man has died on board a fishing vessel travelling to Nelson from Mauritius. He'd been reported dead by the captain on Sunday.

Search teams are scouring areas a missing Nelson woman was known to visit after she was reported missing on Monday.

Despite heavy rain beginning to ease around the Tasman region, flooding around Westport still has the town completely cut off. The rain is set to continue over the lower half of the North Island through Monday.