Formal — to staff
Hot · Spring · Onsen
You
この洗い場、荷物が置いてありますけど、使っても大丈夫ですか？
このあらいば、にもつがおいてありますけど、つかってもだいじょうぶですか？
There are personal belongings left at this washing station, but is it okay for me to use it?
Romaji: Kono araiba, nimotsu ga oite arimasu kedo, tsukattemo daijobu desu ka? / Reply Romaji: A, soko wa bashotori kinshi desu node, nimotsu o yokete tsukatte daijobu desu yo.
Reply
あ、そこは場所取り禁止ですので、荷物をよけて使って大丈夫ですよ。
あ、そこはばしょとりきんしですので、にもつをよけてつかってだいじょうぶですよ。
Ah, saving seats there is prohibited, so you can move the items aside and use it.
Gesture & etiquette
Slightly tilt your head to show politeness and point with an open hand towards the washing station.
Never throw away or touch other customers' items aggressively. It's best to ask a staff member or other bathers nearby before moving them.