Pacific Money | Economy

Iran in Port Sudan? The Next Threat to Asian Markets

The Red Sea corridor Asian trade depends on has another volatile shore, and almost nobody is watching it.

Container lines began testing a return to the Suez route in early 2026, with the first Asia to Europe services shifting back to Red Sea sailings from mid-February on the condition that security conditions held. That condition is generally read as a question about Yemen. It is at least as much a question about the western shore of the same corridor, where a four-year war has left roughly 700 kilometers of Sudanese coastline under a government that depends on foreign weapons suppliers, principally Iran, Turkey, Russia and China, and that has been willing to discuss access to its ports as part of the price.

Port Sudan has been the seat of that government since Khartoum fell out of its hands in 2023, which makes the coast the asset that keeps the authorities supplied, solvent and diplomatically visible. It is therefore the asset most available for trade. Sudan’s frontage sits north of the Bab al-Mandab strait, along the stretch of water vessels enter after they consider themselves clear of the Yemeni threat envelope.

The Iranian supply relationship is documented, not merely inferred. Tehran and Khartoum restored diplomatic relations in October 2023, and in April 2026 the United States Department of Justice charged an Iranian national in Los Angeles with brokering it, describing a contract worth more than seventy million dollars for Mohajer-6 drones from Iran’s defense ministry to Sudan’s military, a letter of intent to the Islamic Revolutionary Guard Corps for bomb fuses, and payments routed through an Oman-registered company.

The traffic runs both ways, which is where the monitoring case becomes concrete. The United Nations Panel of Experts on Yemen has documented a smuggling network operating between Yemeni and Sudanese territory since 2023. Its final report of October 2025 describes the Houthis as the principal controllers of regional smuggling as interdiction tightened in the Arabian Sea. Analysts at the Italian Institute for International Political Studies, drawing on that reporting, identify a route between Port Sudan and Al Salif in Hodeidah governorate for weapons and personnel, and note Yemeni coast guard interceptions of shipments out of Sudan during 2025. Their own assessment is that indications of cooperation are growing while conclusive evidence lags. That gap is the point.

What Tehran wants in return remains contested. In March 2024 the Wall Street Journal reported that Iran had sought a permanent naval facility on the coast and been refused, an account both governments denied. In December 2025 the same newspaper reported that Port Sudan had offered Russia a twenty-five year arrangement covering up to three hundred personnel and four warships, prompting a warning from Washington. The pattern matters more than any single transaction. Coastal access is the currency a besieged government spends when its need for weapons outruns its ability to pay.

None of this requires a view on which belligerent deserves to prevail, and none of it requires Port Sudan to become a firing position. A government living off its own harbor has little incentive to make that harbor unusable, and the near-term risk lies in transfer, resupply and berthing rather than launch. The Yemeni precedent is instructive precisely because it shows how the first category converts into the second. At the latitude of Port Sudan the main shipping lane runs roughly 150 kilometers offshore, inside the reach of systems Iran already exports, and a threat from that shore would sit north of Bab al-Mandab, in the half........

© The Diplomat