To see a log in your dream represents a significant and meaningful aspect of yourself. It may reflect some subconscious idea. Alternatively, a log signifies a transformation. You are headed toward a new direction in your life. The dream may also be metaphor that you are being a “log” or lazy. You need to get up and take action.
To dream that you are sitting on a log indicates personal satisfaction and joy in you life.
To see a log floating in water represents new opportunities. You may be overlooking something important.