Exodus 14:21

14:21 And Moses stretched out his hand over the sea; and the LORD caused the sea to go [back] by a strong east wind all that night, and made the sea dry [land], and the waters were divided.

Exodus 14:29

14:29 But the children of Israel walked upon dry [land] in the midst of the sea; and the waters [were] a wall unto them on their right hand, and on their left.