The Panama Canal is being widened. In two years much larger ships will be able to use it. It will then be cheaper to ship to the East Coast by rather than to the West Coast then by rail or truck.
The Ports of New York and New Jersey aren’t ready because the big ships can’t fit under the Bayonne Bridge. Raising the bridge will cost $1 billion and take several years. In the meantime, southern ports on the East Coast may get the business.