Middle East — 2026-06-25

Rubio Warns Gulf Allies Hormuz Tolls Would Spread Like Contagion as IRGC Threatens Non-Compliant Ships Will Be Dealt With

BLUFIRGC enforcement of unauthorized transit will likely produce a boarding, seizure, or disabling of a commercial vessel in the Strait of Hormuz or Gulf of Oman before July 31.

Secretary of State Rubio, at a GCC ministerial in Bahrain on Thursday, said Gulf states offered "zero support" for any Iranian Hormuz transit fee and warned the precedent would spread "like a contagion" to other international waterways 123. The IRGC issued a statement the same day declaring only Iran-designated routes authorized and warning noncompliant vessels "will be dealt with," branding Oman's newly announced coastal corridor "unacceptable and completely dangerous" 34. Bloomberg reported three ships including two supertankers reversed course on the Oman corridor after IRGC radio warnings, and a UKMTO advisory flagged an apparent vessel attack near Oman's coast 3. The Wall Street Journal, cited by ZeroHedge, reported Iran estimates a toll scheme at $40 billion annually and is pitching the arrangement to Beijing and regional neighbors 3.

Analysis
An IRGC boarding or seizure of a commercial vessel before July 31 is likely. High analytic confidence rests on three converging indicators: supertanker course reversals under radio pressure, a same-day UKMTO attack alert near Oman's coast, and IRGC broadcasts on the international distress channel mandating prior authorization. Tehran's pitch to Beijing for a $40 billion annual toll scheme reinforces the incentive to demonstrate physical strait control is operational rather than declaratory. Gulf states' unanimous rejection removes the diplomatic pressure valve that might otherwise moderate IRGC tempo. The enforcement posture may instead reflect hardliner coercion of Tehran's negotiating team, with the revenue figure serving as domestic political cover for a policy that lacks operational coherence. Whether a seizure materializes before July 31 determines whether CENTCOM and GCC navies activate convoy escort protocols and whether ceasefire provisions are read as binding or advisory.

5 sources