A newborn baby has been found dead inside a tent while a second fights for life.

Emergency services were called to Wagga Beach at Cadell Place, in Wagga Wagga, in regional NSW, at 4.20pm on Saturday following reports of a concern for welfare.

A 37-year-old woman was found along with the body of a baby and a second one still alive.

The woman and surviving baby were treated by paramedics and rushed to Wagga Base Hospital.

The baby is in a critical condition.

A crime scene has been established and an investigation launched into the matter.

The beach is located along the Murrumbidgee River in the city centre. 

Emergency services were called to Wagga Beach at Cadell Place, in Wagga Wagga, in regional NSW , at 4.20pm on Saturday following reports of a concern for welfare