Tide
Current, Trend
noun
The wind tide is the direction in which the tide is blowing. Is it blowing in? Is it blowing out? It is the tide and current. These days, we usually use this word for the current trends that come in like the tide.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
彼らは、富裕層に反対する社会的風潮を生み出した。
They brought about a social trend against the rich.