Storage charges may apply to your shipment even if you don't plan on putting your shipment into storage.
Storage charges are the cost of holding a shipment at a location (warehouse, CES, etc) and will be on the final invoice if applicable.
Storage charges may apply for a few reasons, including:
Terminals will assess a hefty demurrage fee for containers not picked up from the port before the Last Free Day to discourage storing containers at the port for more than a few days. Storage charges cover the cost of actually storing shipments.