Exodus 14:21-22

WEB_Strongs(i)
  21 H4872 Moses H5186 stretched out H3027 his hand H3220 over the sea, H3068 and Yahweh H3220 caused the sea H3212 to go H5794 back by a strong H6921 east H7307 wind H3915 all the night, H7760 and made H3220 the sea H2724 dry H4325 land, and the waters H1234 were divided.
  22 H1121 The children H3478 of Israel H935 went H8432 into the midst H3220 of the sea H3004 on the dry H4325 ground, and the waters H2346 were a wall H3225 to them on their right hand, H8040 and on their left.