IRAN FIRES ON INDIAN SHIPS — "YOU GAVE ME CLEARANCE TO GO!" ◆
IRGC: Approaching the Strait "will be considered cooperation with the enemy" ◆
CEASEFIRE EXPIRES APRIL 21 — no deal reached, second round of talks under discussion ◆
Iran briefly reopened Strait April 17 — closed again April 18 after Trump kept naval blockade ◆
Two Indian ships fired on by IRGC gunboats — India summons Iranian ambassador ◆
US proposed 20-year uranium enrichment pause — Iran countered with 5-year suspension, US rejected ◆
23 vessels forced to turn back by US blockade since April 13 ◆
Iran: no date set for new US talks — Strait stays closed until blockade lifted ◆
~20% of global oil trade transits the Strait of Hormuz ◆
Quote of the Day
"In war, events of importance are the result of trivial causes."
The Strait remains closed. Iran briefly announced a reopening on April 17 tied to an Israel-Lebanon ceasefire, but reversed course within hours after Trump confirmed the US naval blockade of Iranian ports would continue. Iran says the Strait will stay closed until the blockade is lifted. The ceasefire expires April 21 with no deal in sight — a second round of US-Iran talks is under discussion but nothing is scheduled.
The Strait of Hormuz is the world's most critical oil chokepoint — the sole maritime passage from the Persian Gulf to open ocean. Saudi Arabia, Iraq, UAE, Kuwait, and Iran all export through it. Very few alternatives exist if it stays closed.
The two-week ceasefire brokered by Pakistan expires tomorrow with no permanent framework agreed. The US proposed a 20-year pause on Iranian uranium enrichment; Iran countered with five years — rejected by Washington. VP Vance, who led talks in Islamabad, called a fully reopened Strait a "red line." Pakistan has offered to host a second round. Iran's FM says the two sides were "inches away" before hitting US "maximalism." Second-round talks are under discussion but nothing is scheduled.
This isn't just an oil crisis. It's a food crisis in slow motion.
The Strait carries not only oil and LNG but enormous volumes of fertilizer — the inputs that feed the world's spring planting season. The International Crisis Group notes global fertilizer prices could run 15–20% higher in the first half of 2026 if the closure continues. That means food inflation — hitting the world's poorest hardest — will arrive months after the energy shock, and with less warning.
The US munitions problem nobody wants to say out loud.
CSIS analysts noted before this campaign began that US precision munitions stocks — Tomahawks, JASSMs, interceptors — were already drawn down by Ukraine resupply and prior Middle East operations. Sustaining the current operational tempo for weeks carries real risk of constraining US options in a simultaneous contingency. The most critical of those: Taiwan.
China is the only major power winning right now — without firing a shot.
Beijing continues to buy Iranian oil at a steep discount, transit the Strait under IRGC approval, and watch as US munitions and credibility erode. The longer this drags, the stronger China's hand in future negotiations over Taiwan, trade, and the dollar's reserve status. The war is costing the US far more in strategic terms than the daily headlines suggest.
StraitWatch is an independent monitor tracking the operational status of the Strait of Hormuz — the world's most consequential energy chokepoint. In a fast-moving crisis, we cut through the noise with a single clear answer: open or closed, updated daily from verified sources, with curated links to the best available coverage.
StraitWatch is not affiliated with any government, military, or financial institution. Views expressed are those of the editor alone.
About the Editor
Gregory McNiff
Gregory McNiff is a Managing Director in the New York office of the Blueshirt Group, with more than 25 years of experience in technology and telecom. Prior to Blueshirt, he was a sell-side equity research analyst at Nomura covering communications infrastructure, and has worked in early-stage venture capital, investment banking, and corporate strategy.
Greg has been drawn to military history since first reading Thucydides' History of the Peloponnesian War in high school, and is consistently fascinated by the scale of World War II and the depth of human drama it produced. He also founded and runs the World War II Discussion Forum, a free public lecture series featuring leading military historians.
Support StraitWatch
StraitWatch is independent and free. If you find it useful, a small contribution helps keep it updated daily. Questions or tips: wwiidf.info@gmail.com