Formal — to staff
Ryokan · Shared · Bath
You
すみません、お風呂が使用中のようですが、あとどれくらいで空きますか?
すみません、おふろがしようちゅうのようですが、あとどれくらいであきますか?
Excuse me, it seems the bath is currently in use. About how long until it's free?
Romaji: Sumimasen, ofuro ga shiyōchū no yō desu ga, ato dore kurai de akimasu ka? / Reply Romaji: Shōshō omachi kudasai. Kakunin shite mairimasu. Moshi yoroshikereba, aki shidai okoegake shimashō ka?
Reply
少々お待ちください。確認してまいります。もしよろしければ、空き次第お声がけしましょうか?
しょうしょうおまちください。かくにんしてまいります。もしよろしければ、あきしだいおこえがけしましょうか?
Please wait a moment. I will go and check. If you'd like, shall I call you when it's free?
Gesture & etiquette
Point vaguely towards the bath area with a questioning look.
Never knock on the bath door, especially if it's a private-use bath with an 'in use' sign. Do not try to force entry. Be patient and wait in a designated area or nearby.