RedactedNarrative: Vessel 2 was drifting with its bow facing south west.  Vessel 1 was cruising in a south westerly direction at approximately 30 mph.  Vessel 1 struck vessel 2 without altering course.  Port side bow of vessel 1 struck starboard side of vessel 2 causing extensive damage along that starboard side.  Both vessels were able to leave the scene under their own power.