Iran’s IRGC Navy threatens tanker crews near Kuwaiti and Bahraini ports

Two near-contemporaneous reports identify the same concrete warning: the IRGC Navy reportedly told oil-tanker crews near Kuwaiti and Bahraini ports hosting U.S. forces to evacuate and threatened to target vessels in retaliation for reported U.S. strikes on Iranian oil tankers. This is new, forward-looking geopolitical information rather than market commentary because it can change vessel-routing decisions, war-risk insurance, shipping capacity and energy-flow expectations. The importance score is below the level of a confirmed attack or closure because this is a reported warning, but the potential maritime and energy-market consequences are material; the surprise score reflects a meaningful escalation although retaliation was not wholly unforeseeable. Confidence is high on the core facts because two sources corroborate the warning, but is reduced because the supplied material does not include independent official confirmation. The first report timestamp is used as the best estimate of occurrence, although it may reflect reporting time rather than the exact time the warning was issued. The development is distinct from the earlier tanker-strike report but is a continuation of the same U.S.-Iran maritime-escalation storyline represented by event 4049. Approved stakeholders are limited to companies with direct Gulf shipping, tanker, Gulf-feedstock, or marine-war-risk exposure; broader defense, brokerage, chemical and refining beneficiaries without event-specific operational evidence are excluded.