Tauranga Hospital has experienced its busiest day outside of New Year's Day, and is asking locals to "keep the emergency department (ED) for emergencies".
On June 17, 208 people were treated, and the past fortnight has featured multiple days around the 170 patient mark in ED.
The average daily figure in 2018 was 145.
ED business leader Neil McKelvie said the high volumes recently have put a lot of pressure on the hospital's workforce.
"The last couple of weeks have been really noticeable for the increase in numbers.