Surah At-Tur 52:6
وَٱلْبَحْرِ ٱلْمَسْجُورِ
And [by] the sea set on fire,
Translation: Saheeh International
Tafsir
and the swarming sea that is to say the one that is filled
Excerpt from Tafsir al-Jalalayn, commentary on 52:6, via Quran.com. The reader has the full commentary and 9 more tafsirs.