Oman Postpones Gulf-Iran Summit Over Strait of Hormuz Dispute

The Government of Oman indefinitely postponed a regional ministerial meeting scheduled for September 14, 2026, in Salalah. The summit was intended to establish a legal framework and new maritime routes for tanker traffic through the Strait of Hormuz, a critical waterway currently subject to blockades by both the United States and the Government of Iran. While Oman and the Government of Iran had finalized a bilateral understanding on these routes, the broader regional gathering collapsed due to a lack of consensus.

Diplomatic friction drove the postponement, with the Government of Bahrain boycotting the event until diplomatic relations with Tehran are restored. The Government of Saudi Arabia also requested the delay after submitting amendments to the proposed agreement, citing concerns over the long-term implications for Gulf Cooperation Council countries. The United States declined to participate, with President Donald Trump and Vice President JD Vance asserting that U.S. military escorts already maintain control of the waterway.

The diplomatic failure occurs amid heightened volatility, including Houthi advances in Yemen and attacks on Saudi Arabian energy infrastructure. The Government of Iran has tied the full reopening of the strait to the U.S. returning to commitments under the Islamabad memorandum. Iranian officials further characterized the seizure of a U.S. submarine as lawful war booty and blamed U.S. and Israeli strikes for regional insecurity.