Numbers 33:8

And they journey from Pi-Hahiroth, and pass over through the midst of the sea, into the wilderness, and go a journey of three days in the wilderness of Etham, and encamp in Marah.

Exodus 14:21-31

And Moses stretcheth out his hand towards the sea, and Jehovah causeth the sea to go on by a strong east wind all the night, and maketh the sea become dry ground, and the waters are cleaved,

Exodus 15:22-26

And Moses causeth Israel to journey from the Red Sea, and they go out unto the wilderness of Shur, and they go three days in the wilderness, and have not found water,

Treasury of Scripture Knowledge

Summary

And they departed from before Pihahiroth, and passed through the midst of the sea into the wilderness, and went three days' journey in the wilderness of Etham, and pitched in Marah.

Bible References

Departed

Exodus 14:21
And Moses stretcheth out his hand towards the sea, and Jehovah causeth the sea to go on by a strong east wind all the night, and maketh the sea become dry ground, and the waters are cleaved,
Exodus 15:22
And Moses causeth Israel to journey from the Red Sea, and they go out unto the wilderness of Shur, and they go three days in the wilderness, and have not found water,