Woe — This is a new prophecy, added for the comfort of God's people. Many — Combined together against Judah. Seas — Who invade my land and people with great force, as the sea does when it enters into the land by a breach.
Related Commentaries of Isaiah 17:12
Isaiah 17:12
12 Woe to the multitudec of many people, which make a noise like the noise of the seas; and to the rushing of nations, that make a rushing like the rushing of mighty waters!