If confirmed it will be the second suspected drowning in Northland this month.
Roxi Ansari, originally from South Carolina, is believed to have drowned in a spa pool in Whangārei on October 7 due to a medical episode. It's since emerged the 35-year-old youth worker was suffering from an undiagnosed brain tumour.
Sixteen people died in Northland waters last year, double the eight in 2018, with many more risking their lives.
Northland has 3200km of coastline and harbours, with no part of the region more than 40km from the coast.
There are also 10 harbours in the mix, making Northland a high-risk area for those trying to keep people safe in and on the water.