New Revised Standard Version
therefore thus says the Lord GOD, I will stretch out my hand against the Philistines, cut off the Cherethites, and destroy the rest of the seacoast.

Contemporary English Version
Now it's my turn to treat the Philistines as my enemies and to kill everyone living in their towns along the seacoast.

New American Bible
therefore thus says the Lord GOD: See! I am stretching out my hand against the Philistines, and I will cut off the Cherethites and wipe out the remnant on the seacoast.

Douay-Rheims Bible
Therefore thus saith the Lord God: Behold I will stretch forth my hand upon the Philistines, and will kill the killers, and will destroy the remnant of the sea coast.

Therefore thus saith the Lord God: Behold I will stretch forth my hand upon the Philistines, and will kill the killers, and will destroy the remnant of the sea coast.

I will stretch.

Ezekiel 25:7,13 Therefore behold I will stretch forth my hand upon thee, and will deliver thee to be the spoil of nations, and will cut thee off from among the people, and destroy thee out of the lands, and break thee in pieces: and thou shalt know that I am the Lord. . . .

cherethims

1 Samuel 30:14 For we made an invasion on the south side of Cerethi, and upon Juda, and upon the south of Caleb, and we burnt Siceleg with fire.

2 Samuel 15:18 And all his servants walked by him, and the bands of the Cerethi, and the Phelethi, and all the Gethites, valiant warriors, six hundred men who had followed him from Geth on foot, went before the king.

Zephaniah 2:4,5 For Gaza shall be destroyed, and Ascalon shall be a desert, they shall cast out Azotus at noonday, and Accaron shall be rooted up. . . .

Cherethites

Jeremiah 47:4 Because of the coming of the day, in which all the Philistines shall be laid waste, and Tyre and Sidon shall be destroyed, with all the rest of their helpers. For the Lord hath wasted the Philistines, the remnant of the isle of Cappadocia.

sea coasts.