Ocean container bookings from China to the United States have experienced a significant decline in recent weeks, reflecting the effects of tariffs imposed by the Trump administration. Data from SONAR’s Container Atlas indicates that daily bookings on this key trade route have fallen by 25% compared to the same period last year, suggesting notable shifts in trans-Pacific trade flows.
Container Atlas, which tracks container bookings ahead of vessel departures, reveals that the full impact of the tariffs is beginning to affect the supply chain. The data, which captures bookings made over a week before ships set sail, shows that current shipping volumes are still adjusting, as the average lead time between booking and sailing is approximately nine days. This indicates that the complete ramifications of the trade dispute have yet to fully emerge.
The decline is not confined to the China-U.S. route alone. Global ocean container bookings have also seen a marked drop, falling by 18.4% between March 30 and April 8. At present, booking levels are 13% lower than those recorded in 2024, reversing the growth seen in the previous year. Much of this decrease is attributed to the tariff measures, including a 104% tariff on Chinese imports. With the window for “pulling forward” inventory to avoid tariffs now closed, many businesses are adjusting to the new trade environment.
In typical years, container volumes on the eastbound trans-Pacific route rise before the Lunar New Year and then decrease, followed by a gradual recovery leading into the peak season in August and September. However, this year’s pattern has been disrupted by escalating trade tensions between the U.S. and China.
According to Container Atlas data, bookings peaked on March 19 but have since dropped by 31%, highlighting the immediate effect of the new tariffs. Some importers have paused shipments to reassess their strategies, though these disruptions may be temporary. However, for businesses dependent on goods targeted by the new tariffs, the effects could persist for a longer duration.
While the data shows a clear immediate impact, it is still too early to assess the long-term consequences. Experts are monitoring whether the current drop in bookings is due to temporary adjustments or indicative of more permanent shifts in trade practices.
The reduction in container bookings follows a period of higher-than-usual activity in 2024, when many importers rushed to ship goods ahead of potential tariff increases. This “pull-forward” effect contributed to strong volumes last year but has now led to a sharp decline in bookings as the tariffs take hold. The effects of this downturn will likely extend through the global supply chain, with shipping companies potentially adjusting their capacity and routing strategies, and ports and logistics providers facing reduced activity. Additionally, the long-term impact on consumer prices and product availability in the U.S. remains uncertain, as businesses contend with rising costs and potential supply chain disruptions.
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