Forty-eight hours ago, I wrote: “Iran doesn’t need to close the strait. It needs only to demonstrate, periodically, that it can.”

Today, Iran did.

On Saturday night, the IRGC Navy struck a vessel it says was running an unauthorised route with its tracking systems switched off — “struck and brought to a halt,” in Tehran’s words.

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Hours later came the declaration: the Strait of Hormuz is closed “until further notice,” and until “the end of US interference in this region.”

Washington’s response was immediate — a THIRD round of strikes in a week, hitting radars, missile stores, drone launch sites. And still the declaration stands.

Understand what you are watching. This is not a wall going up. This is the tollbooth demanding recognition.

This is Iran’s third closure declaration since February. Each one follows the same grammar: a strike on a “non-compliant” vessel, a proclamation, a spike in oil prices and war risk premiums — and then, underneath the thunder, negotiation.

Safe passage ‘mechanisms’
Even as the IRGC announced the closure, Iranian and Omani ministers were meeting in Muscat to discuss “mechanisms for the safe passage of ships.”

Qatar and Pakistan are working the phones. Oman has floated a draft: free navigation through a southern corridor in Omani waters, while the northern corridor — through Iranian waters — requires Tehran’s prior approval.

Now, your instinct will be to say: fine — then every ship simply takes the free Omani route, and Iran’s leverage evaporates.

Look at the map before you believe that.

The strait is 21 nautical miles wide at its narrowest point. There is no southern corridor beyond the reach of Iranian shore batteries, drones and fast boats sitting minutes across the water.

And look at where this month’s strikes actually landed: off Limah. Off Khor Fakkan. Nine nautical miles east of Oman. Every one of them in or near the very waters the proposal calls “free”.

The corridor is not safe because a document says so. It is safe only for as long as Iran chooses not to fire — and Iran has just demonstrated, three times in a week, that it can choose otherwise whenever it likes.

Not freedom of navigation
A passage that exists by the coastal power’s forbearance is not freedom of navigation. It is a licence — revocable at will.

And here is what 30 years in marine insurance taught me: the underwriters in London know this. War risk premiums do not price the legal regime. They price Iranian CAPABILITY — and the capability survives every settlement, every corridor, every ceasefire.

The day Iran wants leverage in the nuclear talks, one projectile anywhere near that “free” corridor resets the entire insurance market overnight. No cover, no cargo, no voyage. The closure enforces itself.

So read the Omani proposal again, because it is the entire game in one sentence. One lane requiring Tehran’s prior approval — and one lane requiring Tehran’s continued restraint.

Either way, Iran’s supervisory role over the world’s most important energy chokepoint gets written into the architecture of the settlement itself: formalised, internationalised, permanent.

Three rounds of American strikes have destroyed boats, radars and launchers. They have not touched THAT.

Every escalation has followed the same sequence: demonstration, declaration, negotiation. The bombs fall, the boats burn, and Iran’s position at the table grows stronger — because its leverage was never the boats. It was the geography.

And geography, as I said, does not negotiate.

Lim Tean is a Singaporean lawyer, politician and commentator. He is the founder of the political party People’s Voice and a co-founder of the political alliance People’s Alliance for Reform. He also hosts Lim’s Substack.