RedactedNarrative: On 07/17/21 at approximately 10:30 PM vessel 1 and vessel 2 were on the Chicago river near the Chicago lock. Vessel 1 was facing South and Vessel 2 was facing West and the wind was approximately 7 to 10 knots. The area near the Chicago lock was crowded with other boats, and the wind made it diffuclt to stay in one place. Vessel 2 made contact with vessel 1 on the starbaord stern creating a golf ball size puncture hole. Vessel 2 had two scrapes on its port stern side near the swim platform. No injuires were reported. Both vessels were able to leave the scene. No enforcement action was taken.