Poor weather yesterday halted an aerial search over one of the last possible locations for a tramper who is missing in Kahurangi National Park, near Nelson.
A rescue helicopter was supposed to fly over Castle Basin at the top of Mt Owen in the search for 54-year-old Alistair Levy, who has not been heard from since Sunday.
But search co-ordinator Sergeant Mike Fitzsimons said the chopper was grounded because of the weather.
He said they still intended to have an aerial check of that area when the weather cleared. However, today's weather was not looking positive.
Mr Fitzsimons is keeping Mr Levy's family informed on the search.