currently closed; temporarily closed
Used for shops, facilities, or services that are not open at the moment, often implying a temporary closure rather than permanent.
この店はクローズ中です。
This shop is currently closed.
申し訳ありませんが、ただいまクローズ中です。
We're sorry, but we are temporarily closed right now.
A wasei-eigo expression combining the English loanword クローズ (close) with the suffix 中 (ちゅう, 'in the state of').