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If you import from South China and your customers are in Texas, the Southeast or the Midwest, the case for Houston keeps getting stronger. The case for reading Port Houston's tariff fine print just got stronger too.
STU Supply Chain · U.S. Lane Desk · October 2026 | 8 min read
Talk to enough U.S. importers and you hear the same story from the last two years: the West Coast gateway that used to handle everything now handles less of it, and volume is spreading across more U.S. ports. The Gulf has been one of the quiet winners. And no Gulf port illustrates the shift better than Houston.
Port Houston's most recent monthly report, published August 20, 2026, puts numbers on it. Through July, the port had handled roughly 2.599 million TEU year to date, up 1% over the same period last year. Laden import boxes — the ones that matter to buyers — grew faster: about 1.211 million TEU, up 5%. The detail that should get an importer's attention is where that growth is coming from: laden imports from East Asia grew 10% and now account for 57% of all imports through the port.
Houston by the numbers (per Port Houston, Aug 2026 report)
~2.599M TEU handled January–July 2026, +1% year over year
Laden imports ~1.211M TEU, +5% year over year
East Asia laden imports +10% — now 57% of total imports
Largest U.S. port by waterborne tonnage; ~73% of U.S. Gulf Coast container traffic
Two container terminals: Barbours Cut and Bayport, both rail-connected by Union Pacific and BNSF
For an American importer, that growth is a double-edged piece of news. More direct services and more capacity make Houston a genuinely better routing every quarter. But rising volume also means the port's rules — the ones that only show up on your invoice when something goes late — deserve a place in your landed-cost spreadsheet. One fee in particular.
Start with geography, because Houston's advantage is not a marketing claim — it's a map. The port sits a few hours' sail inside the Gulf of Mexico, at the head of the Houston Ship Channel. That position makes it the natural entry point for cargo destined for Texas, the Southeast and the Central United States. A container discharged at Houston can move inland on Union Pacific and BNSF rail toward Dallas, Atlanta and Chicago — no cross-country rail leg from the Pacific, no second drayage market to negotiate.
For a consignee in Dallas or Atlanta, that usually means lower inland cost and fewer handoffs than routing through Los Angeles or Long Beach and trucking or railing the box 1,500 miles east. For a West Coast customer, the math runs the other way — which is exactly why port choice should be a delivery-ZIP decision, not a habit.
The infrastructure backs it up. Barbours Cut, in La Porte, runs six berths over 300 acres with 29 truck gates and more than 8,000 feet of working track connecting to off-dock warehouses. Bayport, the newer of the two container terminals, offers five berths (two more planned for 2027) across 314 acres with EDI-based container tracking. Direct services from South China call both terminals — Evergreen and OOCL at Barbours Cut; Evergreen, ZIM, Yang Ming, CMA CGM, HMM, Hapag-Lloyd, MSC and ONE at Bayport. Add weekly sailings out of Yantian and Shekou and the all-water option via the Panama Canal, and a Houston routing that used to feel like a niche choice is now a schedule you can build a replenishment calendar around.
So far, so good. Now the part that shows up after your container is on the ground.
As of September 1, 2026, Port Houston's Sustained Import Dwell Fee is $48.53 per container per day — up from the $45 figure still circulating in most market summaries. The update came through the port's latest Tariff No. 14, and it applies at both Bayport and Barbours Cut.
Three mechanics make this fee worth respecting. It starts on day 8 after your free time ends. Scheduled gate closures count as chargeable days. And critically, it does not replace terminal demurrage — it stacks on top of it. The combined balance has to be settled before the container can leave the terminal.
This isn't a new charge introduced to catch anyone off guard — Port Houston has operated a sustained dwell mechanism since 2023, and it is charged to the cargo interest. But the September 2026 tariff update is new, and a lot of the planning spreadsheets floating around importer Slack channels still carry the old $45 number. If your free-time terms, drayage window and warehouse appointment were budgeted against outdated assumptions, the gap is now yours to fund.
The honest way to think about a late container in Houston is not "a daily fee" but a stacking chain:
Cost layer | What drives it |
|---|---|
Terminal demurrage | Container at the terminal past free time — keeps accruing |
Sustained Import Dwell Fee | +$48.53/day from day 8 after free time ends (Tariff No. 14, eff. Sept 1, 2026) |
Carrier per diem / detention | Late return of the box to the steamship line |
Drayage rebooking & waiting | Trucker reschedules, chassis and driver time |
Warehouse fallout | Missed appointment window, storage, second delivery attempt |
Run a simple scenario: a container slips into sustained-dwell territory and sits five extra days. The dwell fee alone adds $242.65 (48.53 × 5). But that's one line of the bill. Add a carrier per diem that kept running, a drayage appointment that had to be rebooked, and a warehouse that couldn't take the container on the original day, and a five-day delay can realistically move from a few hundred dollars to four figures. Container delays rarely bill politely, one fee at a time.
So the question worth asking before you book isn't "what does Houston cost per day?" It's: "if my container is three, five or seven days late, what does my total logistics cost become?" That question has a different answer for different importers.
Building materials, furniture, appliances — the categories Houston handles best are exactly the ones where destination-side charges bite hardest. When your margin per unit is thin, $340 of avoidable port charges isn't an annoyance; it's the profit on part of a pallet.
Platform warehouses run on appointment windows. If your delivery appointment gets pushed because the container wasn't out of the terminal in time, the reschedule often costs another week — and the meter at the port doesn't pause while you wait for a slot.
The most common failure mode isn't "no trucks available." It's "the container is available Tuesday, but the warehouse can't receive until Friday." When pickup capacity and receiving capacity aren't locked to the same calendar, free time burns quietly in the background.
Three things to lock before the vessel sails
1. Confirm your free time in writing. Free time varies by carrier, contract and business conditions — never carry an assumption from another port onto Houston. Know the exact day the clock starts and stops.
2. Back-plan your last pickup day. Work backward from ETA against terminal availability, weekends and holidays, and set the latest-safe pickup date. Don't start looking for a truck when free time is nearly over.
3. Match the truck to the warehouse before the box moves. Drayage capacity and the warehouse's receiving window must land on the same days. For FC and 3PL deliveries, get the appointment window confirmed early — ideally before the vessel arrives, not after customs release.
None of this is complicated. All of it is scheduling. And all of it is dramatically cheaper to do in Shenzhen, while your container is still a booking confirmation, than in Houston, while it's a line item accruing $48.53 a day.
STU Supply Chain runs weekly FCL and LCL services from Shenzhen (Yantian / Shekou) and across Guangdong to Houston, with direct all-water and via-LA/LB rail options. For Houston routings specifically, we put three commitments in writing with every quote: your free-time terms as they actually apply to your carrier and contract; FBA and warehouse delivery appointments requested before the vessel arrives, not after customs release; and a DDP boundary that states plainly which charges — exams, demurrage, detention, overweight — bill at actual cost. We're an FMC-licensed ocean transportation intermediary (FMC No. 030310) and licensed NVOCC (MOC-NV09192).
A container's real cost is rarely decided on the water. It's decided in the days after discharge — by whoever planned the destination side before the ship left China.
Send us your supplier's city in China, the delivery ZIP or FBA code in Texas, and rough carton details. We'll come back with FCL and LCL priced side by side, the free-time terms in writing, and a pickup-and-appointment plan that starts before your container sails — get a Houston quote.
Sources: Port Houston monthly report (published August 20, 2026, data through July 2026); Port Houston Tariff No. 14, effective September 1, 2026 (Sustained Import Dwell Fee $48.53/container/day, Bayport and Barbours Cut terminals). Terminal figures and carrier calls per Port Houston public information; ocean rates and schedules change weekly — verify current terms at booking.
