Downburst Winds Caused CMA CGM Containership to Breakaway in New Orleans: Report

Ten of the vessel’s 16 mooring lines parted in the high winds, and the ship moved away from the pier. Containers lifted by shoreside gantry cranes struck the ship. One damaged container dropped in the water spilling a cargo of plastic pellets, known as nurdles. A crane operator suffered a minor injury and damages totaled approximately $15.1 million.

The Marine Accident Brief is here:

Most of the report is about the what happened ashore with the container cranes and so forth, the crew kept the ship from getting too far away so the ship side of the story is short: