Weekly Freight Report: March 6, 2026

This week, supply chain professionals are navigating a dramatic convergence of legal and geopolitical disruption. The Supreme Court’s curtailment of executive tariff powers triggered a wave of refund litigation and fundamentally reset the importing landscape, while the escalating U.S.-Iran conflict effectively shut down Strait of Hormuz shipping, drove oil tanker costs to all-time highs, and prompted Maersk to impose emergency freight surcharges across Middle East trade lanes. Dive into the full update to see what’s driving costs, disrupting capacity, and reshaping global trade lanes.

Tariff-Refund Seekers Flock to a Little-Known U.S. Court with Big-Case Experience

Following the Supreme Court’s ruling limiting emergency tariff powers, importers are flooding the U.S. Court of International Trade with over 2,000 cases seeking a share of more than $130 billion in potential tariff refunds. The court is scrambling to handle what’s expected to be an explosion of litigation, and importers who paid tariffs over the past year should pay close attention to this developing legal landscape.

U.S. Tariff Ruling Resets Importing Landscape

The U.S. Supreme Court has curtailed the use of emergency executive powers to impose broad import tariffs, fundamentally shifting how trade policy works going forward. This is not a wholesale removal of tariffs but a structural change in the authority behind them, with Congress now holding more sway over future trade decisions.

Global Oil and Gas Shipping Costs Surge as Iran Vows to Close Strait of Hormuz

Supertanker costs in the Middle East have hit all-time highs as the U.S.-Iran conflict intensifies, with Tehran attacking vessels passing through the Strait of Hormuz and bringing shipping through the strait to a near halt. Brent crude futures surged nearly 10%, and the cascading effect on diesel prices, fuel surcharges, and supply chain costs will be felt by importers and exporters worldwide.

Maersk: Strait of Hormuz Emergency Freight Increase

Maersk has officially announced emergency freight rate increases on shipments to and from UAE, Qatar, Saudi Arabia, Bahrain, Kuwait, Iraq, and Oman in response to Strait of Hormuz instability. The surcharges will be applied under individual service contracts with export cargo exempt, making this a direct cost signal for any shipper with Middle East supply chain exposure.

Tariffs and Shifting Supply Chains Reshape Global Air Cargo Flows

The Supreme Court’s 150-day temporary tariff framework is reshaping air cargo flows as importers scramble to front-load or reroute shipments during the window, with demand shifting away from traditional China lanes toward Southeast Asia, Mexico, and India. For time-sensitive importers, this creates both opportunity and volatility in air cargo pricing across global markets.

Why Sourcing Shifts Are Easier Said Than Done When Battling Tariffs

Real-world accounts from brands like Brooklinen and Patagonia reveal that pivoting away from China is far more complex than signing new supplier contracts, with lead times, quality control challenges, and material availability all limiting options. Despite the wave of new duties, many companies are holding firm in their existing sourcing rather than chasing countries with lower tariff exposure.

Weekly Freight Report: March 6, 2026

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