U.S. Container Imports to Slide After Early Peak Season, But Holiday Stocks Are Secure

Early Peak Season Gives Way to Import Slowdown

Imports through the twelve major U.S. container ports tracked by the Global Port Tracker hit 2.22 million TEU in June, a 13.2% jump from the same month last year when flows were depressed by the timing of the “Liberation Day” tariff announcement. That volume, however, was 0.7% below May’s figure, confirming that the 2026 peak season came early and has already started to taper. For the full first half, total imports reached 12.7 million TEU, up 1.1% year-on-year.

Looking ahead, the report projects a steady monthly decline: July at 2.21 million TEU (down 7.6% annually), August at 2.22 million (down 4.2%), and further slides through the fall, with volumes still tracking above 2025 levels. The highest-volume month was May at 2.24 million TEU, compressing the typical late-summer peak into the spring. Total 2026 imports are now forecast at 25.5 million TEU, a marginal 0.1% gain over the previous year.

“We had an early peak season this year as retailers brought in merchandise ahead of tariff changes in late July and responded to other uncertainties like the ongoing disruption from the conflict in Iran,” said NRF Vice President Jonathan Gold. “One round of tariffs has been replaced with another, but retailers will be well stocked for the coming holiday season.” Hackett Associates Founder Ben Hackett noted that the front-loading of imports contributed to U.S. GDP growth slowing to 1.5% year-on-year in the second quarter, yet consumer spending has remained resilient: total retail and food services sales climbed 6.4% in Q2 compared to a year earlier, even as energy-price volatility tied to Iranian tensions persists.

What Drove the Early Peak—and What Comes Next

The Tariff-Timing Effect

Retailers aggressively front-loaded orders to beat tariff increases set for late July, shifting the peak import window from the traditional August-October period to May. This pull-forward not only delivered an early but smoother peak season but also sets up year-on-year declines from July onward as the comparison base normalizes. The report cautions that one round of tariffs has simply replaced another, meaning the trade-policy unpredictability that drove the early surge remains a permanent feature of supply chain planning.

Iran Conflict’s Ripple Through Shipping

The disruption to Strait of Hormuz transit and related attacks have injected a persistent geopolitical premium into supply chain decisions. Crude oil prices continue to swing on intermittent ceasefire talks, keeping bunker fuel costs elevated and forcing logistics managers to hedge against sudden route closures. Hackett’s commentary explicitly links these uncertainties to the accelerated ordering patterns, as importers sought to lock in inventory ahead of potential maritime chokepoints.

Retailers: Fully Stocked but Watching Demand

Despite a slowing economy and cost-of-living pressures, consumers have kept spending. The 6.4% year-on-year rise in Q2 retail and food services sales shows that demand for affordability and choice—cited by Gold—remains strong. By pulling their peak forward, retailers have essentially pre-funded holiday merchandise, insulating themselves from near-term supply shocks. The risk now shifts to whether sustained consumer strength in the face of energy prices will validate those inventory builds.

What Softening Volumes Mean for Ports and Carriers

Sequential monthly declines from July onward will reduce pressure on terminal throughput, potentially easing congestion and softening spot rates. However, because volumes remain above 2025 levels, the drop is from an elevated base—ports and ocean carriers will still handle a total of 25.5 million TEU for the year. The main operational challenge is navigating a second half where volumes trend down but geopolitical flashpoints could quickly revive import surges or route disruptions.

Implications for Logistics and Retail Planners

• Retailers should verify that holiday-season inventory is already in domestic warehouses or on final transit legs, given that the primary import window has passed.
• Logistics providers should stress-test fuel surcharge assumptions and route plans for any escalation in the Strait of Hormuz, which could quickly reverse the benign volume outlook.
• Port terminal operators can plan for reduced throughput in late summer and fall, but should maintain labor flexibility to handle any last-minute order rushes if consumer spending exceeds expectations.
• Supply chain strategists should note that year-over-year import comparisons will turn negative from July, complicating performance benchmarks; focus on the cumulative annual volume of 25.5 million TEU as the baseline.