わ indicates emphasizing emotions or opinions
The particle "わ" is an essential part of Japanese grammar. It is typically used to highlight the subject of a sentence. It is mostly used in spoken language rather than in written text.
Japanese
疲れたわ。
English
Japanese
雨降ってきたわ。
English
わ(wa) indicates inform something
Japanese
明日は雨が降るわよ。
English
It's going to rain tomorrow.
Japanese
彼は忙しいわよ。
English
He is busy.
Japanese
その本は面白いわよ。
English
That book is interesting.