One Day of Strikes, Two Weeks of Queues: What to Check Before the Oct 30 Port Action
This Friday, October 30, port workers across Europe and the Mediterranean will stage a coordinated international action. Italy's transport ministry strike register already lists a nationwide 24-hour walkout by port-sector workers for that date, with Genoa, Livorno, Trieste, Civitavecchia, Ancona, Ravenna and Gioia Tauro among the named ports. In a notice published on October 21, the Italian grassroots union USB said participation and support had spread to more than 100 ports in 17 countries across four continents. For anyone shipping to Europe, the question that matters is not how large that number sounds, but how far a single lost day pushes everything behind it.
Start by separating the headline from the mechanics. The exposure comes in three tiers. First, action already written into law: Italy's nationwide 24-hour port strike, which will affect cargo handling, gate operations and inland connections. Second, action announced but not yet detailed: France's CGT ports and docks federation has called a nationwide 24-hour stoppage on October 30 covering roughly 24 port areas, including Le Havre, Dunkirk, Marseille-Fos and Calais; the union says 95 percent of French ports will be at a standstill, but that is a union figure, not a harbour authority figure. Third, solidarity: unions in Hamburg, San Francisco and Oakland, and Veracruz have signalled participation or support, yet public notices do not establish full terminal shutdowns. Lumping all three together as "a hundred ports closed" invites overreaction. Treating the whole thing as a demonstration underestimates Italy and France.
A berth window is an exclusive resource, and that is where shipping differs most from road transport. When a weekly vessel misses its window, the next one is seven days away, not one day. If a mainline ship skips a port, containers either come off at the next call and get carried back, or they wait for the following sailing. Either way the box sits longer, storage accrues, and the trucking and customs work has to be re-sequenced. Port operations are also serial: one day without gantry cranes pushes yard stacking, gate release, rail loading and truck pickups back in sequence. Recovery rarely tracks the length of the stoppage. It front-loads easy moves and then jams, and the jam is worst at the hub ports.
The names to watch on this list are the transshipment hubs. Gioia Tauro handled about 4.49 million TEU in 2025, making it one of the Mediterranean's largest transfer points. Marseille-Fos moved roughly 1.45 million TEU and 75 million tonnes of total cargo in 2025. Piraeus is the eastern Mediterranean's front door. When these nodes stop, the damage is not confined to the vessels that call there; it runs down the feeder network behind them. Much of the cargo from China to inland Italy, the Greek islands, the Balkans and North Africa moves mainline-to-hub, then hub-to-feeder. One skipped mainline call breaks a feeder link, and inland delivery dates are measured in weeks, not days.
The timing is unfortunate. The Suez Canal has already logged 982 transits in October, a daily average of 46.8, and Drewry counted 55 container ships passing in both directions last week, more than double the same week last year. Mediterranean volumes are coming back. At the same time, Rotterdam's transshipment box volume fell 20 percent in the first three quarters, which the port attributes to deep-water berth constraints and cargo diverting elsewhere. Flows are rising while transfer capacity is tightening, and there is little slack in between to absorb a sudden stoppage.
Costs stack on top of that. A batch of carrier surcharges takes effect on November 1. CMA CGM is applying a tiered peak-season surcharge from Asia to Africa: USD 900 per TEU to the southern West Africa range, USD 700 to the middle range and USD 300 to East Africa and Mombasa, plus a USD 300 overweight charge on 20-foot dry boxes above 18 tonnes gross. Diversion fees, demurrage and second-leg trucking from the strike will land on the same invoice as those surcharges. If a quotation does not itemise them, the customer sees one number nobody can explain.
Four things are worth finishing before the weekend.
Check the vessels. Go through every booking on ships calling Italy, France, Greece, Morocco and Turkey this week and ask the carrier three questions: will the call be skipped, will it be delayed, will it be shifted to another port. The usual alternatives run through Valencia, Algeciras and Tanger Med, but those ports get crowded too, so confirm slot and feeder connections early.
Check the cut-offs. Gates are busiest the day before a strike, and cargo cut-off, port cut-off and VGM deadlines may move earlier. Trucking slots may also be gone. If a container is packed and ready, get it through the gate on the 29th rather than the 30th.
Check the cargo. Sort by delivery commitment. Time-critical shipments should look at direct routings or a rail or air bridge for part of the journey. The rest should carry three to five days of buffer. Do not divert everything at once; diversion fees and slot prices will rise together.
Check the terms. When free time starts, who bears demurrage, and whether diversion fees are negotiable should all be written into the booking confirmation. If the contract has a port-disruption clause, this is the week to find out whether it actually works.
One caveat on the numbers. Organisers estimate some 40,000 containers could be delayed and say the unions involved represent workers handling about 40 percent of Mediterranean container traffic. Both figures come from the unions, with no published methodology and no independent verification. Plan for that order of magnitude, but when you explain the situation to a customer or file a claim, rely on written notices from carriers and terminals rather than union estimates.
A one-day strike is not the real problem. The real problem is planning the following two weeks as though only one day is lost. October 30 itself is a day for waiting on written carrier notices. The work belongs on October 29.
