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Tariff Pause Triggers Surge in Ocean Freight Rates – But Legal Roadblocks Lie Ahead

Container shipping lines are driving spot rates sharply higher, with the 2025 transpacific peak season likely to begin earlier than usual, fuelled by a surge in US imports from Asia.

Spot rates on key routes are rising faster than during the pandemic-era boom. Carriers implemented general rate increases (GRIs) on 1 June and plan further hikes for mid-June and 1 July, seizing the moment while demand is high.

According to the WCI, Shanghai–Los Angeles rates surged 57% week-on-week, while Shanghai–New York climbed 39%. Since mid-April, West Coast rates are up 173%, and East Coast rates have more than doubled. For comparison, rates rose just 20% over the same period in 2021. Asia–Europe lanes are also rallying, with the Shanghai–Rotterdam index up 32% and Shanghai–Genoa rising 38%, the highest weekly increases in many months.

But this momentum may be short-lived, as a wave of new capacity is entering the market. On Asia–West Coast routes, supply will grow by 13% in June and 16% in July. This additional capacity is expected to blunt the impact of further rate hikes, and limit the length of the current rally.

At the same time, the legal outlook for Trump ‘reciprocal’ tariffs remains highly uncertain. On 29 May, a federal appeals court temporarily reinstated the tariffs, just one day after the US Court of International Trade ruled that the former president had exceeded his authority and ordered an immediate block. The Court of Appeals for the Federal Circuit in Washington paused that decision to consider the government’s appeal, with final briefs due by 9 June.

However, legal experts suggest that the original court ruling is on strong footing. Under the current framework, principally the International Emergency Economic Powers Act (IEEPA), presidential authority to impose broad-based tariffs is limited. The Court of International Trade ruled that Trump’s use of IEEPA to impose tariffs on non-emergency, peacetime imports likely overstepped constitutional bounds.

If the appeal fails, Trump’s tariffs will face two remaining paths: either a legislative push to expand presidential tariff authority through Congress, or a ruling from the Supreme Court. The latter remains a real possibility if the administration persists and seeks to test the constitutional limits of executive trade powers.

In the meantime, the legal limbo is prompting importers to accelerate orders while the tariffs remain suspended, adding further pressure to ocean freight markets. But with front-loading already well advanced, this year’s peak season is expected to be earlier and shorter than the usual August–October window. While carriers are determined to ride the wave of high rates, fundamentals suggest the next one or two GRIs may be the last before rates begin to level off.

With legal uncertainty surrounding US tariffs and ocean freight markets under intense pressure, early planning and expert guidance are more critical than ever.

Metro’s experienced sea freight and customs brokerage teams are here to support your transpacific and Asia–Europe supply chains, with in-market expertise and local operations in the US.

Whether you’re juggling critical shipments, reviewing tariff exposure, or seeking end-to-end compliance support, Metro has the insight and capability to keep your cargo moving.

EMAIL our managing director, Andrew Smith, today to stay ahead of disruption and secure your space at the best possible rates.

Maersk

Global Schedule Reliability Rises Again

Container shipping schedule reliability improved for the second consecutive month in April 2025, reaching its highest level since November 2023. According to the latest industry data, 59% of vessel arrivals were on time in April, up from 58% in March and 6% higher than April 2024.

While still far from pre-pandemic levels, the trend reflects a clear focus among carriers on restoring service integrity.

The standout performer remains the Gemini Cooperation, formed by Maersk and Hapag-Lloyd, which continued to dominate on-time performance metrics across key global trades. In April, Maersk posted the highest reliability among the top 13 carriers at 73%, followed closely by Hapag-Lloyd at 72%. MSC placed third with 61%.

Gemini achieved an average of 91% on-time reliability across all port calls and 87% when measured by final destination arrivals, well above its 90% performance target on several major lanes, including Asia–US West Coast and US East Coast–Europe services. On the Asia–North America West Coast route, Gemini achieved a perfect 100% score. Meanwhile, MSC led on the Asia–North America East Coast trade, recording 92%.

At the other end of the spectrum, the Premier Alliance and Ocean Alliance continued to struggle. Premier averaged 53% reliability, while Ocean Alliance fell to 51%. Among individual members, Evergreen recorded the lowest schedule performance at 47%.

Market impact of improving reliability
Improving schedule reliability is more than just operational, it’s strategic. Consistent service performance enables shippers to reduce safety stocks and better manage inventory, improving overall supply chain efficiency. Simply, reliability allows companies to remove weeks of buffer stock from their planning.

In contrast, low-reliability carriers may find themselves at a competitive disadvantage, particularly if freight buyers begin to prioritise predictability over price alone in an increasingly complex market environment.

Rates hold firm as carriers manage capacity
As we report in this week’s newsletter average global spot freight rates have also shown moderate upward movement. The Drewry World Container Index reported a 2% rise in global average rates in mid-May, bringing the benchmark to a level that is 60% above the pre-pandemic average, but still far below the 2021–22 peak.

Shanghai–Genoa and Shanghai–New York spot rates both increased by 4% week-on-week, while Shanghai–Los Angeles edged up 2%. Backhaul rates out of Europe remained stable, indicating strong front-haul demand and tight outbound capacity from Asia.

The rate resilience is partly attributed to carriers’ continued capacity discipline and their renewed focus on reliability. As cargo volumes from Asia increase, partly driven by front-loading ahead of potential tariff changes, shippers are placing greater value on stable schedules and transit times.

With the full rollout of the new alliances not expected until July, further improvements in reliability may still lie ahead. For now, Gemini’s strong performance is setting a new service benchmark, while the broader market appears to be shifting in favour of predictability and performance over sheer price competition.

With carrier reliability still fluctuating across trade lanes, dependable sea freight solutions requires more than just a booking, it requires real-time insight and agility. Metro’s MVT platform continuously tracks shipping line KPIs, comparing actual performance across alliances and enabling us to dynamically adjust your supply chain around real arrival data, not published schedules.

Combined with our expert sea freight team and strategic carrier partnerships, this data-driven approach helps reduce delays, optimise inventory planning, and protect your service levels.

Partner with Metro for smarter, more reliable ocean freight, powered by MVT and built around your business. EMAIL Andrew Smith, managing director, today.

Indian port congestion looms

Cargo Rush Sparks Port Congestion and Equipment Shortages

The recent 90-day pause on US tariffs on Chinese imports has sparked a dramatic surge in demand, as American importers scramble to front-load shipments ahead of the 14 August deadline. The demand spike is now placing considerable pressure on supply chains across Asia and Europe, threatening to disrupt global freight flows into the traditional peak season.

Freight bookings from China to the US rocketed 300% in just one week, marking the highest volume levels of the year so far, as US importers use the temporary reprieve to push through previously delayed shipments.

While the tariff rate remains high at 30%, it is significantly lower than the 145% rates imposed earlier in the spring. Importers are moving quickly to take advantage of this limited window of cost certainty, but the consequences are already being felt far beyond China’s borders.

With ships now flooding back into Chinese ports, congestion has rapidly intensified:

  • Shanghai and Qingdao are experiencing berth waiting times of 24–72 hours.
  • Ningbo reports delays of 24–36 hours, while the congestion there is now worsening due to diverted volumes.
  • Busan is reporting 72-hour waits at the PNIT Terminal.
  • Singapore and Yokohama are also affected, with waiting times up to 36 and 24 hours, respectively.

Carriers are reporting widespread bunching and missed berths, forcing some vessels to skip port calls entirely. Simultaneously, container availability is tightening, especially in Shanghai and Ningbo, where carriers have begun rationing equipment based on rate levels and space commitments. Maersk and HMM are among those limiting container release in an attempt to balance capacity with available slots.

Further down the line, ports in southern China, Southeast Asia, and even intra-Asia trades are also reporting backlogs. Shenzhen, Hong Kong, Ho Chi Minh City, and Port Klang have all seen yard utilisation rise and service delays build.

Strain Spreads to Europe as Container Flows Disrupt
The congestion is not limited to Asia. As carriers reposition vessels and adjust service rotations to meet surging demand on eastbound transpacific routes, European ports are beginning to feel the knock-on effects.

In northern Europe:

  • Hamburg is facing 5–6½ days of berth delays,
  • Southampton and London Gateway are seeing 3-day waits,
  • Antwerp is experiencing severe disruption with delays extending to 15½ days,
  • Piraeus and Tangiers are also impacted, each facing waits of up to 4 and 3 days, respectively.

Labour shortages, reduced barge capacity on the Rhine, and tight schedules are compounding these delays. Meanwhile, rerouted vessels from Asia–Europe services are creating bunching at key transhipment hubs such as Bremerhaven and Hamburg, which in turn serve Scandinavia and the Baltic.

Equipment Shortages and Capacity Gaps Ahead of Peak Season
Container availability is expected to worsen in the coming weeks. With vessels already departing China at high utilisation levels, the return of empty containers and the repositioning of ships to Asia may not keep pace with demand.

If previously produced goods held in bonded warehouses are added to this surge in volumes during May, demand could increase by nearly 50%. A delay to June would ease the burden, but it could still be over 15%, which still represents a steep challenge ahead of the summer peak.

This front-loading of cargo to the US may lead to a sharp, compressed peak season starting now and stretching into mid-July, followed by potential equipment shortages and service volatility in August and beyond.

We are closely monitoring port performance, vessel schedules, and rate volatility across all major trade lanes, to support customers with:

  • Priority bookings and space management on transpacific and key routes
  • Equipment selection and container allocation strategies
  • Alternative routing and scheduling options to avoid bottlenecks
  • Global shipment visibility to SKU

EMAIL Managing Director Andrew Smith to discuss current conditions, risk mitigation, and booking options tailored to your business priorities.

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Tariff Pause Triggers Early Transpacific Peak Season

The 90-day suspension of US-China tariffs has delivered a sharp jolt to transpacific ocean freight, triggering an unseasonal spike in demand and pushing spot rates up significantly.

This unexpected policy reprieve has not only created a narrow window of predictability for US importers, but also accelerated peak season behaviours months ahead of the traditional schedule.

With booking volumes surging and available capacity still constrained, shippers are entering a period of extreme competition for space and elevated freight costs, especially on Asia–US West Coast lanes.

Since the announcement of the tariff pause, transpacific spot rates have climbed steeply. The Shanghai Containerised Freight Index (SCFI) rose by 14% last week, with further gains expected. This marks the largest weekly increase of 2025 so far and reflects mounting pressure on space and capacity across eastbound transpacific routes.

  • Shanghai–Los Angeles FEU rates have climbed 16% in just one week.
  • Shanghai–New York DEU rates jumped 19%.

While these levels remain well below pandemic highs, they are trending upward quickly, particularly as US importers race to bring in goods during the tariff pause window, which expires on 14 August.

Sudden and Significant Capacity Crunch
The spike in demand has exposed a capacity shortfall that many believed had stabilised. Carriers had withdrawn substantial tonnage from Far East–US West Coast services in April and May, anticipating a slower season. Now, those services are being rapidly reinstated in full as bookings rebound sharply.

Carriers have responded with unusual speed, with suspended loops returning across multiple alliances, vessels are being upsized to handle growing volumes, additional services are being announced and blanked sailings reversed.

Despite these adjustments, near-term capacity remains tight, especially due to ongoing vessel redeployments, congestion at Chinese ports, and bottlenecks at container freight stations (CFS) in China.

Adding to the live bookings, is a wave of previously manufactured cargo stored in bonded warehouses, which is expected to enter the market imminently.

If this stored cargo flows into the system during the remainder of May, demand could spike by 16% to 48% on top of normal levels. If shipments are delayed until June, the increase would ease to a more manageable 5% to 16%, but that assumes no further acceleration from early peak season orders.

Importantly, this analysis does not yet account for traditional peak season volumes, which are expected to surge in the coming weeks as US importers seek to front-load shipments ahead of the 14 August tariff deadline.

Challenges and Considerations
The rapid resurgence in volumes is pushing logistics networks to their limits. Shippers can expect tight space availability, higher rates, with ongoing volatility through June and July, possible rollovers, even on confirmed bookings, and longer dwell times, with delays at origin due to congestion

While carriers are acting quickly to rebalance networks, the sheer speed and scale of the demand rebound mean constraints are likely to persist through Q3.

As always, Metro is working closely with clients to minimise disruption and capitalise on available capacity. With robust freight forwarding capabilities, deep ocean carrier relationships, and on-the-ground presence in the United States, we’re helping customers:

  • Secure space and locked-in rates on core transpacific lanes
  • Prioritise high-value or time-sensitive cargo
  • Adjust routing strategies to reduce risk and maintain delivery schedules

With early peak season now well under way, proactive planning is essential. Space is already tightening, and costs will likely continue to climb in the lead-up to August.

If your business relies on Asia–US trade flows, EMAIL Andrew Smith today and learn how we will keep your supply chain running smoothly, despite the disruption.