Justin Baldoni is turning his focus away from the Blake Lively legal war and focusing on surfing ... catching waves in Hawaii ... and looking absolutely ripped.

The "It Ends With Us" actor's bulging biceps and rock-hard abs were on display as he was photographed riding the waves Thursday.

The legal dispute between Blake Lively and ‘It Ends with Us’ co-star Justin Baldoni has escalated with the release of behind-the-scenes footage.