Corn acres will be about 13,600 acres, down from 13,984 last year.
Soybean acres will be about 6,551, up from 6,272 acres last year.
It also expects yields will return to normal across the Prairies which were hard hit by heat and drought last year.
The prediction is for wheat and pulse acres, such as peas and lentils, to increase, but canola will be slightly down.
Spring wheat acres will be up by about five per cent, durum by nine per cent which should bring in a harvest twice as large as last year, Agriculture and Agri-Food Canada said.