Fonterra is expected to lift its 2018-19 milk price towards the upper end of its current $6.30-$6.60 range in an announcement due today.
Economists were also picking the co-operative would set its opening forecast for the new 2019-20 season in a range of $6.50-$7.50.
Dairy markets had strengthened over the past six months on the back of improved returns for dairy commodities and a softer New Zealand dollar.
ANZ agriculture economist Susan Kilsby said Fonterra was on track to finalise its milk price for the 2018-19 season within its current forecast guidance range. ANZ's forecast for this season remained at $6.40.
Stronger returns were forecast for the 2019-20 season and ANZ's forecast remained at $7.30.