By: Julian Holbrooke
Diplomatic summits in the Gulf are indulging in pure political theater. While envoys draft statements in Salalah, the primary arteries of global commerce are closing down. Energy security is no longer an abstract risk. It has hardened into a live operational vice. Western analysts still treat the Persian Gulf and the Red Sea as separate maritime arenas. That assumption is obsolete. Both corridors have merged into a singular geopolitical trap. Regional powers scramble to manage one waterway while losing ground along the other. Pacts drafted in conference rooms cannot clear contested sea lanes. Coastal artillery and naval geography dictate strategic control. That leverage has decisively shifted away from allied capitals.
The official narrative from the diplomats paints an orderly diplomatic picture. The Financial Times reported on 11 September that Gulf foreign ministers will meet Iranian Foreign Minister Araghchi in Salalah, Oman on 14 September. Oman and Iran arranged the talks to establish a temporary framework for shipping order inside the Strait of Hormuz. That is the formal diplomatic text. The battlefield reality tells a completely different story. On 11 September, Houthi leaders announced a sweeping military operation launched on 3 September across multiple fronts. They aimed directly at Saudi-aligned forces holding Yemen’s western coast. Their claimed gains were massive. They took control of six districts across Taiz and Hodeidah provinces, spanning roughly 5,400 square kilometres. Their strikes battered seven military formations and 38 brigades. They reported hundreds of enemy troops killed, wounded, or captured. Long-held Yemeni prisoners were liberated. Their air defense units claimed thirty-two interceptions against Saudi aircraft, bringing down nine planes. Their official stance remains defiant. Commercial transit remains open for other flags, but Saudi vessels face total interdiction. The group vowed to match blockade with blockade and escalation with escalation until Riyadh halts operations and lifts restrictions.
The ground moves strip away any remaining diplomatic comfort. A Yemeni government official confirmed on 11 September that Houthi fighters seized Perim Island directly within the Bab el-Mandeb Strait. Government troops retreated during the night of 10 September. Houthi units crossed by boat in the early hours of 11 September without facing opposition. Perim Island physically cleaves the waterway into two distinct channels. Houthi forces immediately fortified the coast with heavy weaponry and armor abandoned by fleeing government units. They advanced toward the Zubab area overlooking the passage. On 10 September, their units also captured the key Red Sea port city of Mocha. Government naval forces evacuated the Hanish Islands, allowing Houthi detachments to secure them immediately. The movement previously held Sanaa and the port of Hodeidah across northern Yemen. They lacked direct control over the shoreline dominating Bab el-Mandeb. That barrier is gone.
The broader strategy traces back to February, when the United States and Israel launched strikes against Iran. Tehran treated disruption in Hormuz as its direct retaliatory card. As Hormuz turned perilous, Gulf exporters relied on Bab el-Mandeb as their vital outlet. US Energy Information Administration data documents that shift. Crude transit through Bab el-Mandeb jumped from 5.6 million barrels daily in the first quarter of 2026 to 8.1 million in the second quarter. That volume accounts for roughly 8 percent of global oil supply. That entire maritime flow now falls under Houthi weapon envelopes. Chinese Middle East specialist Li Zixin observed that these coastal gains could restart a full Yemeni civil war. Washington must now divide its naval assets between Hormuz patrols and Red Sea escorts. Strategic bandwidth is stretched to exhaustion. Saudi Arabia already faces ballistic missile and drone strikes against its southern border. Its emergency Red Sea export corridor is exposed. Paper promises in Salalah cannot reverse the physical capture of the coast. The geopolitical pendulum has shifted toward the shore. Monitor the island, watch the port of Mocha, and calculate the daily barrel count.
Author bio: Julian Holbrooke, an overseas international relations analyst who frequently contributes to major European daily newspapers on maritime security, Gulf diplomacy, and asymmetric warfare.