Panama Canal Restrictions 2027: A Resin Buyer's Dry-Season Checklist

What do Panama Canal restrictions mean for resin buyers heading into 2027?

The Panama Canal Authority (ACP) eased its limits on September 28: it raised the Neopanamax draft to 49.0 ft and set 33 daily reservation slots from October 15. ACP still reports a water deficit, and NOAA expects a strong El Niño through January–March 2027. Get Canal dates in writing now for orders sailing into the January–April 2027 dry season.

Your RFQ has a resin grade, a price and a delivery date that fits your first-quarter production schedule. The supplier writes “via Panama.”

Now ask what connects that route to your plant’s arrival date. Geography has done its part; the booking still needs proof.

October is the easy month to ask: the Canal has more room than in late September. Orders placed in November and December sail into the dry season, when ACP will again set draft and slots from Gatun Lake’s level and its hydrological projections.

This checklist follows resin from Asia to the US East and Gulf coasts. Buying US resin for South America’s Pacific coast? The same RFQ fields apply, and that lane gets its own section.

Apply these checks to Panama-routed PE, PP, PVC and PET bookings. The delivery sheet holds the full timing and landed-cost comparison; the checks below add the Panama lines it is missing.

What changed at the Panama Canal since September?

ACP reversed course on September 28. Advisory A-36-2026 raised the Neopanamax draft from 48.0 ft to 49.0 ft with immediate effect and added a tenth Neopanamax reservation slot for booking dates from October 15. The 47.5-ft step planned for October 1 never took effect. On October 5, ACP announced advance slot allocation for the 2027 dry season.

How many Panama Canal transit slots are available each day?

For booking dates from October 15, ACP offers 33 daily reservation slots: 10 at the Neopanamax locks and 23 at the Panamax locks. A customer may hold Neopanamax reservation slots on consecutive dates with no weekly cap. Actual traffic averaged 32.63 transits a day in September, below the 36–38 a day ACP calls the Canal’s maximum sustainable capacity.

“While the water deficit within the Canal watershed continues, the Transit Reservation (Booking) System remains the only mechanism to guarantee a transit date. Vessels without a reservation may therefore experience indefinite delays.”

— Panama Canal Authority, Advisory to Shipping No. A-36-2026, September 28, 2026

Today the squeeze costs hours. ACP’s September operations summary puts average time in Canal waters at 37.97 hours, up from 34.90 hours in August, with 134 Neopanamax reservation slots used against 125 available (107.2%, auction slots excluded). The dry-season question is whether it starts costing days.

What is the Neopanamax draft limit now?

The Neopanamax limit is 49.0 ft as of October 14, 2026, and the Panamax locks remain at 39.5 ft. Gatun Lake stood at 85.6 ft on ACP’s October 14 dashboard, near the five-year October average of 85.5 ft, and ACP’s October 13 projection estimates a 50.0-ft draft through December 14. Only an advisory makes a projection official.

December 14 is where that projection ends, so it says nothing yet about January. The same dashboard puts the variable freshwater surcharge at 0.19%.

Save the advisory your quote relies on. A quote built on September’s 48.0-ft rule describes a real rule and is still the wrong document for your shipment.

Will Panama Canal restrictions return in the 2027 dry season?

Possibly. ACP still describes a water deficit, NOAA’s October 8 discussion rates a strong-to-very strong El Niño likely through January–March 2027, and ACP is already offering January–April slots in advance. Plan first-quarter orders as if capacity could tighten, and get Canal dates in writing while there is still room.

“Depending on how much rain falls in September, October and November – the three critical months – that will determine whether I need to lower any slots further in January, February or March.”

— Ilya Espino de Marotta, Administrator, Panama Canal Authority, to Reuters, as reported by Al Jazeera, September 8, 2026

One of her three months is in: ACP credited close-to-average precipitation and water-saving measures for the September 28 easing. In early September she had warned that a worst case could cut transits to 27 a day in early 2027 (Lloyd’s List, Kuehne+Nagel); ACP has since moved the other way.

El Niño and low Canal water have met before: NASA links El Niño years to a drier Central America and to low-water limits on large ships at the Canal in 1998, 2015 and 2023. In the 2023–24 drought, ACP cut daily transits from about 36 to as low as 22 (Seatrade Maritime), with the Neopanamax draft at 44 ft in October 2023 (ACP Advisory A-48-2023).

For your vessel, the lake is the number to watch, and even an average year drains it: ACP’s dashboard five-year averages fall from 86.5 ft in January to 83.8 ft in April.

Meanwhile, Advisory A-37 offers LoTSA packages for transit dates from January 3 to April 3, 2027, “[t]o facilitate customer planning for the 2027 dry season”: an average of three Neopanamax slots a day, bid on November 17, plus a first-ever Panamax pilot of three more, by sealed bid on November 24.

What should a resin buyer do now about Q1 2027 orders?

Work backward from the plant date. If your line needs resin in February or March, the order and the ocean booking probably go in during November or December, while the Canal still has room.

1. List your Panama-routed Q1 orders with supplier, origin port, sailing week and the plant date each one protects.
2. Ask how each carrier will secure January–April transit dates. Operators bid for LoTSA, and A-37 pitches the Neopanamax packages as “continuity for customers with recurring itineraries”: liner services. If the service carrying your resin holds LoTSA or other advance slots for your sailings, your Panama risk narrows to weight, surcharges and rollovers; if it holds none, the transit date itself is at risk. No reservation reference on offer? Accept at minimum a written statement that the service holds advance slots for that sailing week. That answer is your dry-season reservation plan.
3. Set the alternate-route decision date for each order, using the arithmetic below, and agree it now so nobody improvises in February.
4. Put the dates in your 2027 plan as a lane risk on the 2027 PE sourcing map.

Scarce Canal capacity already has a price this year: our Hormuz analysis recorded Canal slot auction prices jumping from $130,000 (October–February average) to $385,000 (March–April average). At that price, your carrier decides whether your sailing is worth the bid. Send the order list and each carrier’s answer to Syntex’s resin trading team now.

How can Panama Canal limits change a resin shipment’s cost and arrival date?

Panama limits reach a resin shipment in three places: the cargo a vessel can load, its confirmed transit date and the carrier surcharges on your freight bill. The September 28 easing relieved the first two; the surcharges stayed. The January–April 2027 dry season can tighten all three.

Freight rates are splitting. Drewry’s World Container Index put Shanghai–New York, a Panama lane, at $10,220 per 40-ft container on October 8, up 7.5% from the $9,507 gCaptain reported on August 20; the composite fell 3.9% over the same span.

The first three rows below are how Canal limits reach your shipment; the fourth, a changed gateway, is your response when they bite. Each lands in one landed-cost field:

Does a lower vessel draft limit the weight of a resin container?

Not directly. ACP limits how deep the loaded ship sits; the carrier then decides, box by box, which heavy containers still fit a lighter stow plan. Resin is dense, so a draft cut reaches you there. Get written acceptance for the named voyage, its payload limit and VGM cut-off, and an inland leg rated for that gross weight.

IMO guidance treats a Verified Gross Mass as a prerequisite for loading, then adds that it “does not constitute an entitlement for loading”: the master decides. Payload limits vary by container type and size, and each booking has its own VGM cut-off. If ACP cuts the draft again in the dry season, have the carrier sign off again against the new limit.

Which Panama surcharges and quote terms should resin buyers verify?

As of October 14, 2026, CMA CGM, MSC, Hapag-Lloyd and ONE bill Panama charges of $130 to $500 per TEU on Asia–US cargo routed via Panama, and none of the carrier notices we reviewed names an end date. Check carrier, trade, direction, amount, unit, equipment and effective date: gate-in and sailing dates can bill one box differently.

Panama charges on Asia–North America cargo, from each carrier’s published notice:

• CMA CGM: Panama Canal Adjustment Factor, $500/TEU from September 10, Far East to the US East and Gulf coasts via Panama, Bangladesh–US East Coast excluded.
• MSC: Panama Canal Surcharge, $149 per 20-ft, $297 per 40-ft and $376 per 45-ft container from Southeast Asia, China, Korea and Japan to the US East and Gulf coasts, billed by gate-in date from September 12.
• Hapag-Lloyd: Panama Canal Surcharge, $130/TEU, Far East to North America via Panama, billed by sailing date.
• ONE: Panama Canal Transit Fee, $150/TEU from August 10 on the EC1, EC2 and EC4 transpacific eastbound services that transit via Panama.

“The surcharge is applicable to all equipment types for sailings commencing on August 15, 2026, and is valid until further notice.”

— Hapag-Lloyd, Panama Canal surcharge notice, July 2026

“Until further notice” is the clause to negotiate. The MSC and Hapag-Lloyd Asia notices both cite Canal draft limits as the reason for their charges, and ACP has since raised the draft. On September 30, Tradlinx had seen none of the four carriers it tracks on Asia–US East and Gulf cargo (CMA CGM, MSC, ONE and Hapag-Lloyd) announce a change after the September 28 advisory. On October 14, 2026, we re-checked the CMA CGM, MSC and Hapag-Lloyd notices: none cut or withdrawn.

Ask what event moves the charge (an ACP advisory, a date or a scheduled carrier review) and, in reverse, how much notice precedes a dry-season increase on boxes already booked.

Carry the charge that applies into your delivery sheet; fuel stays in the resin diesel-risk dashboard.

What should a resin buyer put in an RFQ during Panama Canal restrictions?

Eight Panama fields turn an ocean quote into a delivery plan you can check: named-vessel transit evidence, a dry-season reservation plan, voyage-specific cargo acceptance, route disclosure, the surcharge trigger, a surcharge withdrawal rule, a rollover procedure and an escalation owner. Add them to the RFQ in your delivery sheet, and make the supplier answer each one in writing.

Get the reservation plan in writing for every November and December order. ACP announced a late-cancellation surcharge before: A-28 set one for September 1 and A-32 postponed it. From October 15, A-37 applies it at 250% of the reservation fee, on top of the cancellation fee, with the window cut from seven days before the required arrival time to four. Ask your carrier whether any of it can reach your invoice after a rollover.

What proves that the vessel has a Panama transit date?

A written statement from the carrier or NVOCC that gives your vessel’s confirmed Canal transit date and reservation reference. ACP’s booking rules let only vessel agents request reserved transits, so that proof reaches you through the carrier or your forwarder. A generic ocean booking number shows space on a ship and nothing about its Canal date.

Write the statement into your booking terms, because ACP’s reservation system and booking rules leave the cargo owner out of the loop. Ask your freight forwarder to mark it “requested” or “confirmed”, reissue it whenever the vessel changes, and keep every version for your supplier-reliability review.

What do Panama Canal limits mean for US resin shipped to South America’s Pacific coast?

US resin bound for South America’s Pacific coast already carries Panama surcharges. CMA CGM has billed a $150/TEU Low Water Surcharge since October 1 on US East and Gulf Coast cargo to Chile, Peru, Ecuador, Bolivia and Buenaventura, citing Canal water levels; Seaboard Marine charges $150/TEU on Chile, Ecuador and Peru cargo when the route requires a Canal transit.

King Ocean’s Panama Crossing Surcharge, from October 14 on Ecuador and Peru cargo in both directions, is $275 per 20-ft and $550 per 40-ft container: $150 and $300 more than the freshwater surcharge it replaced. Seaboard says its charge “will be reviewed as Panama Canal operating conditions evolve”; ask what that review means in dates.

The checklist carries over unchanged: put the same eight RFQ fields to the producer’s logistics desk or your forwarder, and ask every carrier on the lane the same withdrawal question.

How should Panama transit uncertainty change an existing resin reorder point?

Keep the formula and feed it Panama data. How long the carrier takes to confirm a Canal date belongs in your planned lead time; how widely your arrivals spread belongs in σ(LT), the lead-time variation that sets safety stock. Decide before placing November–December orders whether dry-season cargo needs earlier placement or pre-positioned stock.

Your October and November bookings, confirmed under the September 28 easing, set the baseline. If the same lane takes longer to confirm a Canal date in December, act on that change, whatever the headlines say that week.

Our supplier-reliability scorecard supplies the formula, safety stock = Z × σ(LT) × average daily use, and a mid-size case: 10 t a day at a 95% service level (Z = 1.65). Its cover above quoted lead time is 2.0 days of planned slip + 1.65 × 5.31 days ≈ 10.8 days, about 11 days (110 t).

Illustration on those numbers: each extra day of arrival spread on your Panama lane adds 1.65 days of cover, or 16.5 t; each extra day the carrier takes to confirm the Canal date adds a day to the reorder point, or 10 t. Measure the spread on your own lane: Sea-Intelligence put global schedule reliability at 49.9% in August 2026, the lowest since September 2022.

Which Panama booking and arrival data should change the resin reorder point?

Your lane’s own history: days from booking request to a confirmed Canal date, reservation status, rollovers and their reasons, departure-to-arrival variation, boxes refused for weight, discharge-to-plant variation and cash exposure. Tag each order by whether its Canal transit falls in the January–April 2027 dry season. These numbers replace generic lead-time assumptions; none of them supports a universal stock target.

Pre-positioned stock needs a storage plan and a release rule for the day the Panama cargo lands; without the rule, the buffer quietly becomes permanent inventory. It also ties up cash early, and Syntex’s Resin Supply Credit Program ties payment to your operating cycle, so review stock and payment timing together.

When should a resin buyer compare another route or supply origin?

Compare another route when the documented Panama plan no longer meets your plant date or commercial conditions; evaluate another origin only after technical and customs qualification. Keep Panama in the comparison. For Q1 2027 orders, the alternate-route decision date is the last day you can drop Panama and still meet the plant date another way.

The decision date is arithmetic. Start from the plant’s need date, subtract the alternative’s quoted door-to-door time and the days your team needs to approve it, and write the result into the purchase file. If the carrier still hasn’t confirmed the Panama sailing’s Canal date in writing by then, the alternative goes ahead without another meeting.

Should you use Panama, a US West Coast gateway, Suez, or another resin origin?

Stay with Panama while the carrier’s written dry-season reservation plan and your landed cost hold. For US imports, the first backup is a West Coast port plus rail, with every inland leg rated for your weight. Price Suez once a carrier confirms a running service on your lane; start a new origin only if qualification ends before the plant date.

The Port of Los Angeles documents on-dock rail and the Alameda Corridor; Union Pacific runs intermodal trains from those ports to inland ramps such as Phoenix. Your provider still has to confirm the service, the ramp and that every inland leg accepts the container weight approved for the ocean voyage.

Run the material decision separately; a new port leaves grade approval where it was. Find source alternatives in the 2027 sourcing map and the PE trade-realignment analysis, frame a PE or PP substitution with the material-selection guide, and get the data sheet, sample and certificate of analysis from the trading team. For US imports, have your customs provider check origin, classification and duties against CBP’s country-of-origin guidance before you compare landed offers.

Which Panama Canal signals should resin procurement monitor each week?

Seven signals, in one shared sheet: ACP’s draft notices, its slot and booking rules, the LoTSA outcome for your carrier’s service, NOAA’s monthly El Niño update, carrier surcharge notices, your vessel’s confirmed transit date, and stock cover with cash exposure. Give each an owner and a threshold that triggers a specific buyer action.

A dashboard earns its place only when it triggers a decision. Five of the seven buyer actions below reopen a field from Table 4, an answer your supplier already gave; the other two go back to the alternate-route decision date and the reorder point.

Share one sheet across procurement, logistics, finance and the plant, and archive each weekly snapshot with the purchase order. It catches the familiar failure: the voyage rolled, but only one team updated its spreadsheet.

How can Syntex protect resin supply when routing changes?

Bring Syntex your Panama-routed Q1 orders now. Our teams handle resin trading, freight forwarding, customs clearance, inland transport and supply credit, so the grade, the route, the Canal date and the payment terms sit in one plan. Start while the Canal has more room than it did in late September and dry-season slots are still being allocated.

Resin trading keeps your approved grade and origin on the quote. Freight forwarding gets the named service and its Canal date in writing. Customs clearance checks classification and origin before a new route or source changes your duty. Transportation covers the last inland leg, and our integrated logistics centers can hold dry-season stock against your production schedule.

The Resin Supply Credit Program follows three steps:

1. We supply. Syntex coordinates the resin order against your qualified grade and delivery plan.
2. You produce and sell. Your team converts the material and sells the finished goods.
3. You pay after your operational cycle. Payment follows your production and sales schedule.

Apply for the Resin Supply Credit Program with the quantity, plant date and shipping details to hand; every credit line starts with a credit analysis of your operation. If your Panama addendum still has blanks, talk to us first about the two that decide whether a Q1 order is ready to place: the dry-season reservation plan and the surcharge trigger.