Jamieson, Fausset and Brown on Zechariah 10:11

11. pass ... sea with affliction--Personifying the "sea"; He shall afflict the sea, that is, cause it to cease to be an obstacle to Israel's return to Palestine (Is 11:15, 16). Vulgate translates, "The strait of the sea." Maurer, "He shall cleave and smite." English Version is best (Psa 114:3). As Jehovah smote the Red Sea to make a passage for His people (Ex 14:16, 21), so hereafter shall He make a way through every obstacle which opposes Israel's restoration.

the river--the Nile (Am 8:8; 9:5), or the Euphrates. Thus the Red Sea and the Euphrates in the former part of the verse answer to "Assyria" and "Egypt" in the latter.

sceptre of Egypt ... depart--(Eze 30:13).