RedactedNarrative: Operator of vessel #2 was fishing while drifting when he was struck almost head on by operator of vessel #1. Operator of vessel #1 left the scene of the accident. Witnesses stated the operator had been previously operating recklessly before the accident by coming very close to other vessels, operating very fast and erratically. The witness indicated to the officer where the vessel was now docked. The officers located a male walking close to where the boat was docked and he was oblivious to being involved in a boat collision. Officer detected alcohol on his breath, his eyes glassy and bloodshot. Operator of vessel #1 positively identified this male as the operator that struck his vessel. After SFST tests and a portable breath test he was arrested for OUI of a motorboat, leave scene of accident and unsafe operation.