YOU SAID:

I like to swim in the ocean when it is sunny outside

INTO JAPANESE

外が晴れている海で泳ぐのが好きです

BACK INTO ENGLISH

I like to swim in the sunny sea outside

INTO JAPANESE

外の日当たりの良い海で泳ぐのが好きです

BACK INTO ENGLISH

I like to swim outside in the sunny sea

INTO JAPANESE

日当たりの良い海で外で泳ぐのが好きです

BACK INTO ENGLISH

I like to swim outside in the sunny sea