for. Note the parenthesis.
overfloweth. So to the present day.
banks. Hebrew found only four times in O.T.; here, Jos 4:18. 1 Chronicles 12:15.Isaiah 8:7. All but the last, of the Jordan.
harvest. barley harvest. Compare note on Joshua 2:6.
Related Commentaries of Joshua 3:15
Joshua 3:15
15 And as they that bare the ark were come unto Jordan, and the feet of the priests that bare the ark were dipped in the brim of the water, (for Jordan overfloweth all his banks all the time of harvest,)