The Détente and Its Limits: What the Saudi-Iranian Normalization Means for the Strait
The March 2023 agreement restoring Saudi-Iranian diplomatic relations, brokered in Beijing over four days of talks that surprised most Western analysts by the speed and apparent completeness of their outcome, was described at the time as a potential transformation of Gulf security dynamics. The more accurate framing is that it was a managed reduction in operational hostility between two states whose fundamental interests remain incompatible and whose competition for regional influence has been paused, not resolved. The strait has been somewhat quieter since the agreement. The conditions that make it dangerous have not changed.
The agreement’s terms were limited and specific: restore ambassadors, reopen embassies, refrain from supporting hostile activities against the other. There was no security guarantee, no comprehensive normalization of the full range of disputed issues, no resolution of the proxy conflicts in Yemen, Lebanon, Iraq, and Syria where Saudi and Iranian clients continue to compete. The Yemen ceasefire that preceded and outlasted the agreement has been fragile. Houthi attacks on Saudi territory have continued at reduced levels. The Lebanese political paralysis in which Hezbollah plays a central role has not been broken. The agreement normalized diplomatic relations. It did not normalize the strategic competition.
For China, the brokering role was an investment in regional influence that has produced returns in terms of credibility and diplomatic standing even as the agreement’s durability has been tested. Beijing’s interest in Gulf stability is direct — its oil supply depends on the Gulf producers — and its willingness to spend political capital on a mediation role that Washington had not prioritized was a demonstration of an activist Gulf diplomacy that was new. Whether the demonstration will produce a sustained Chinese role in managing Gulf security issues, or whether it was a one-time opportunity that Beijing seized without the follow-through infrastructure to sustain a mediating role, remains to be determined.
The Hormuz implications of the normalization are real but bounded. The primary mechanism through which Saudi-Iranian hostility had elevated strait risk was the episodic escalation cycle in which Iranian attacks on Saudi oil infrastructure, Houthi attacks on Saudi territory using Iranian weapons, and Saudi financial support for Iranian opposition — all combined to create conditions in which the Iranian political incentive to threaten the strait was higher than it would have been in a less hostile bilateral relationship. A reduction in the overt hostility reduces, at the margin, the immediate political incentive for Iran to demonstrate coercive leverage over Gulf energy flows. The margin matters. It is not transformative.
What the normalization has not changed is Iran’s military posture in the strait. The IRGCN has not reduced its operational tempo, its forward deployment of fast attack craft, or its mine warfare readiness. The anti-ship missile batteries along the Iranian coast remain in place and operational. The islands with their military facilities have not been demilitarized. The doctrine that underlies all of this — that the ability to threaten the strait is Iran’s primary strategic asset in the Gulf security competition — has not been revised. The normalization was a diplomatic decision made by states with nuclear programs and proxy networks and naval doctrine that are set by different actors on different timescales than ambassadorial appointments.
The realistic assessment is that the 2023 normalization reduced the probability of a near-term Iranian-initiated incident in the strait during a period when neither side wanted a crisis. It did not reduce the probability of a future incident when one or both sides calculates that a crisis serves its interests. It created a diplomatic channel through which escalation can be managed if both sides want to manage it. Whether they will want to manage it during the next acute crisis depends on the political conditions that crisis produces.
The strait is calmer. It is not safe. The distinction is consequential and should not be obscured by the diplomatic language that surrounded the normalization announcement.