By SteadyState Commerce. Published 2026-08-21.
Container rates on the transpacific lane have moved twice in three weeks, and if you booked freight based on the number you saw on August 5th, you probably overpaid.
Carriers pushed a general rate increase in early August that took published China-to-West Coast rates up to $7,200-$7,300 per 40ft container. That GRI didn't hold. Forwarders were quoting mid-$5,000s within days, some spot deals as low as $4,900, mostly through blended pricing and multi-container consolidation deals (Source: FreightRight, https://www.freightright.com/news/august-ocean-rate-increase-begins-to-unravel-as-importers-hold-back-tfx-update-wk-august-3-2026).
Then rates turned again. Drewry's World Container Index climbed for a third straight week, hitting $4,526 per 40ft as of August 20th, up 4% week over week. The move is being driven almost entirely by the transpacific: Shanghai to Los Angeles jumped 9% to $6,802, and Shanghai to New York jumped 9% to $9,507. Asia-Europe lanes went the other direction, down 1-2% (Source: Drewry World Container Index, https://www.drewry.co.uk/supply-chain-advisors/supply-chain-expertise/world-container-index-assessed-by-drewry).
So you've got a headline GRI that got walked back, followed by a genuine week-over-week climb on the exact lanes most FBA sellers use. Two different things happening on the same route in the same month. That's the part that trips people up.
Carriers are also rolling out a $150 Panama Canal surcharge for the second half of August. The stated purpose is to build a price floor around $5,500-$6,000 without leaning entirely on base rate hikes (Source: FreightRight, same link above). We've started seeing this show up as a line item on quotes from forwarders who weren't mentioning it two weeks ago. If your freight contract or NVOCC quote doesn't list it separately, ask. It's easy to miss when it's folded into an "all-in" rate.
Higher tariffs are compounding this. An additional 2.5 percentage points on top of already-elevated China tariffs is part of why some importers are holding off on accelerating shipments rather than rushing to beat further increases. That hesitation is itself keeping demand soft enough that carriers can't make the August GRI stick.
West Coast capacity is currently abundant, which is exactly why the discounted rates exist and why carriers are leaning on ancillary fees instead of base rate to protect margin. That abundance won't last through peak season buildup. If you're placing POs for a Q4 restock right now, the mid-$5,000s window on West Coast lanes is worth locking in, not waiting on, because the pattern this month has been spike-then-partial-retreat, not a clean decline.
East Coast rates are falling more slowly because capacity there is tighter. If your fulfillment network leans East Coast or you're running mixed inbound placement, don't assume the West Coast discount applies to your lane. Get a quote specific to your port pair before you plan cash flow around it.
Rates on the transpacific are genuinely moving, not just noisy. Treat this month as a booking window, not a reason to wait for a bigger drop, and separate base rate from surcharges on every quote so you're not surprised by the Panama Canal fee showing up on your invoice. We handle freight booking and inbound placement for a number of sellers navigating exactly this kind of rate whiplash, and the sellers who come out ahead are the ones who lock in capacity before peak season demand tightens it back up.