Volunteer lifeguards hailed after dozens of surf rescues over the weekend.

A study at Mt Maunganui beach suggests rip currents are far more complex than we think.

Ecologist Russell Death paints the big picture on the state of our rivers and lakes.

A boy in his teens is believed to have been swept away in the Rangitikei River.

Twice as many Aucklanders drowned in preventable tragedies last year than in 2016.

Beachgoers were met by a strange sight at one of Auckland's most popular beaches today.

Dozens of people were rescued and treated at Auckland's west coast beaches today.

It is all around us and this season is the best time to enjoy it.

Record "marine heatwave" could fuel a low-pressure system forecast to hit NZ next week.

Torrential downpour on the West Coast is expected to peak about 4am.

NZONE director dismissed a parachute malfunction as the potential cause of the crash.

They're called dead zones - patches of water that kill life - and NZ isn't immune to them.

More than 20 rescue vessels scoured Lake Wakatipu in vain hunt for skydiver.

A mother is believed to have drowned at Haumoana Beach in Hawke's Bay.

Scientists have begun a sprawling health check of hundreds of New Zealand lakes.

The algae was at a level that could have been fatal for swimmers if they swallowed it.

A straight couple have been crowned 'Queens' at a Vinegar Hill camp in Hunterville.

A survey has revealed river and lake pollution is the second highest concern of Kiwis

The Kerkhof family were out fishing when they came across a pod of about 20 bottlenoses.

The United Kingdom is much greener than New Zealand, two visitors say.

What will happen to NZ's oceans in the future? A cutting-edge model will soon tell us.

Overflow from stormwater drain at Takapuna deemed to be low risk to swimmers.

The 3m shark was spotted close to shore at Te Arai Pt in Auckland.

Takapuna Beach is closed after sewage flowed into the swimming area between the flags. Credit: Dean Purcell

From Mosquito Point to Bason Botanic Gardens, Whanganui was out in force.

Why can't we swim at so many Auckland beaches - and what's being done about it?

Takapuna Beach was closed after stormwater flowed into the swimming area.

12 questions: Jennifer Dann talks to Auckland Council's water manager Andrew Chin.

Fine weather brings crowds to Whanganui River this holiday season

Auckland Council is investigating the water quality of a West Auckland stream.