• Mojtaba Khamenei asserts Iranian control over the Gulf and Arabian Sea, claiming enemy forces do not dare enter and that the waters will soon be cleared of enemies.
  • The statement comes amid a seven-month U.S.–Iran conflict in which Iran has sought to restrict shipping, while international pressure mounts for full restoration of freedom of navigation.
  • Oil markets remain highly sensitive, with Brent crude recently spiking to $107.82 per barrel before settling near $99.25, as maritime traffic remains 75% below pre-conflict levels.

A Defiant Message from Tehran

Iran's Supreme Leader Mojtaba Khamenei said on Wednesday that enemy forces do not dare enter the Gulf and the Arabian Sea, and that those waters would soon be cleared of enemies, according to a statement carried by Iranian state media. The remarks are the latest in a series of assertions by Tehran of its control over the Persian Gulf, the Gulf of Oman, and the strategic Strait of Hormuz.

The statement should be viewed as Iranian state messaging rather than an independently verified operational outcome. It follows a pattern of increasingly defiant rhetoric from Iran's leadership, which has framed the ongoing conflict with the United States as a contest over who controls regional waters.

Conflict Enters Seventh Month

The declaration comes amid a seven-month U.S.–Iran conflict in which Iran has sought to restrict or manage shipping through the Strait of Hormuz, a chokepoint that carried roughly 20% of global oil supply before hostilities erupted. In early September, Iran announced plans for a Gulf "restricted" or exclusion zone, tying it to the U.S. blockade of Iranian ports and warning that vessels using unauthorized routes could face sanctions or interception.

The United States has reported strikes on Iranian tankers, while Iran claims to have attacked vessels and U.S. naval assets in response. The immediate picture is mixed: Iran continues to threaten and, according to reporting, attack or constrain vessels, but its ability to impose complete control over the waterway remains contested. A September analysis noted continued Iranian attacks on transiting ships even as traffic rose relatively from earlier lows.

Diplomatic contacts have resumed indirectly, with U.S. and Iranian representatives reportedly exploring a phased arrangement in which Tehran would permit navigation through Hormuz in exchange for a U.S. rollback of its blockade and potentially access to frozen Iranian assets. No settlement has been reached. On September 24, a coalition of roughly 80 countries called at the United Nations for Hormuz to be urgently reopened and condemned disruptions to navigation, trade, and energy security.

Oil Prices Stay Volatile

Oil markets have been whipsawed by the conflict. Brent crude reached $107.82 per barrel on September 14 after attacks and supply fears, then settled near $99.25 on September 22 as Saudi export routes and Hormuz movements improved. Prices remain highly sensitive to military escalation, tanker attacks, and signals of a diplomatic deal.

Shipping costs have skyrocketed, with Reuters (TRI) reporting VLCC spot rates recently exceeding $500,000 per day, versus roughly $132,000 in February. Higher freight, insurance, security, and rerouting costs are feeding into energy and consumer prices. Maritime traffic remains deeply depressed: the UK Maritime Trade Operations reportedly assessed late in September that commercial traffic was about 75% below its pre-conflict level, even though some oil flows had recovered.

There is substantial uncertainty in real-time flow figures. Kpler data cited by Reuters estimated August Hormuz crude flows at around 4.3 million barrels per day, increasing to nearly 5 million bpd in early September, while later official claims put flows far higher. These differing estimates reflect incomplete vessel tracking, altered routing, and uncertainty over cargoes moving through the chokepoint.

A Broader Maritime Front

The conflict overlaps with the Red Sea and Yemen, where Iranian-aligned Houthi forces have been portrayed as capable of opening a further maritime and energy front. Saudi facilities and Red Sea infrastructure have faced attacks and counter-strikes, creating a two-chokepoint risk: Hormuz for Gulf oil exports and Bab el-Mandeb for Europe–Asia trade. France has moved to support protection of Saudi Red Sea oil facilities, illustrating how the conflict has broadened beyond Hormuz.

Iran's leadership has warned that any renewed U.S. attack could widen the conflict into the Indian Ocean, a signal intended to increase the perceived cost of escalation for Washington and regional shipping interests. The UN maritime agency has warned that the Strait of Hormuz, Red Sea, waters off Somalia, and Black Sea are simultaneously dangerous theaters, placing unusual strain on international shipping networks and seafarers.

The human toll is mounting. The International Maritime Organization said it had verified 80 attacks on international shipping in and around Hormuz since February 28, with at least 22 seafarers killed and many others injured as of September 15. The IMO has stated explicitly that conflict cannot justify attacks on civilian ships or crews.

What to Watch

Near term, the key risk is continued miscalculation at sea. Further vessel attacks, U.S. or Iranian strikes on maritime assets, or expanded Houthi operations could quickly push oil prices and freight rates higher. Conversely, even a limited U.S.–Iran arrangement on escorted passage, routing, or phased sanctions relief could lower immediate risk premiums.

Medium term, Iran is likely to keep using maritime pressure as leverage in negotiations, while the U.S., Gulf states, and a broad international coalition seek to deny Tehran durable unilateral control over Hormuz. The outcome will determine whether shipping returns to normal commercial patterns or operates under a longer-term system of military escorts, restricted corridors, and elevated insurance costs.

As of September 27, Iran's foreign minister was reported to be maintaining demands for frozen assets to be released, sanctions on Iranian oil lifted, and the blockade ended. The U.S. and its allies have not commented publicly on the latest statement. Attempts to reach Iranian officials for further comment were unsuccessful.

Correction: An earlier version of this article misstated the date of the 80-country UN declaration. It was September 24, not September 14.