Surah Hud 11:49

تِلْكَ مِنْ أَنۢبَآءِ ٱلْغَيْبِ نُوحِيهَآ إِلَيْكَ ۖ مَا كُنتَ تَعْلَمُهَآ أَنتَ وَلَا قَوْمُكَ مِن قَبْلِ هَـٰذَا ۖ فَٱصْبِرْ ۖ إِنَّ ٱلْعَـٰقِبَةَ لِلْمُتَّقِينَ

That is from the news of the unseen which We reveal to you, [O Muḥammad]. You knew it not, neither you nor your people, before this. So be patient; indeed, the [best] outcome is for the righteous.

Translation: Saheeh International

Tafsir

Those that is these verses containing stories such as the story of Noah are of the tidings of the Unseen of the tales of that which was hidden from you which We inspire in you O Muhammad (s). You yourself did not know it nor did your people know it before this Qur’ān. …

Excerpt from Tafsir al-Jalalayn, commentary on 11:49, via Quran.com. The reader has the full commentary and 9 more tafsirs.