I find the easiest way is to have the back foot sitting on the board on its side just in front of the back foot strap/s (on the centreline of the board), back hand further back on the boom than usual. From there, it's more of a "scoop" with the sail. The sail does all the lifting.
I only know one windsurfer who can beach/water start front foot first, and that's because he can't bend his left knee

You'll find yourself performing "flukes" more and more often in windsurfing.

Try it back foot first though.