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Ocean Freight4 min read
How to Minimize Port Demurrage and Detention Charges
Mar 25, 2026Felix Operations Desk

In ocean shipping, delay fees at the destination port can quickly add up, affecting the profitability of import and export operations. These fees are split into two categories: port demurrage penalties and shipping line detention fees.
Demurrage is charged when container cargo remains at the port terminal past the allowed free time allowance periods granted by the shipping line. Detention is charged when the importer keeps the physical container box past the return deadline. Shippers can avoid these fees by pre-clearing customs declarations before the vessel arrives.
Exporters should coordinate with their logistics partners to ensure immediate transport from the port and quick return of empty containers to the designated empty container depot. Partnering with a freight forwarder that monitors free time deadlines protects your business from unexpected storage and detention charges.
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Felix is leading the transition to reliable, secure, and modern freight forwarding in Thailand. Our shipping services integrate real-time tracking, compliant customs processing, and optimized route scheduling.
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