Drain and rinse the almonds, discarding the soaking water. Rinse.
In a high speed blender, combine the rinsed almonds, fresh water, dates, vanilla and a pinch of sea salt. Blend on high for 1-2 minutes.
Strain using a nut bag or clean tea towel, squeezing all the liquid into a large clean bowl. Transfer to a glass bottle and refrigerate.
Will keep, refrigerated, about a week. Shake to combine before using.