Norbert RuckerPete HegsethHarlan UllmanScott BessentBjarne SchieldropRichard BlumenthalThe Killowen GroupSEB ResearchAbu Dhabi National Oil CompanyInternational Crisis GroupUS Central CommandGeorgetown University in QatarJulius BaerNavy TimesStars and StripesUnited States NavyNewsmax

US threatens 'indefinite' naval blockade of Iran; oil prices set for weekly gains as Strait of Hormuz tensions persist

Oil prices are set for weekly gains as the U.S. threatens an indefinite naval blockade of Iran, raising concerns over crude supply disruptions from the Middle East. Brent crude rose to $87.19 a barrel, while WTI reached $81.75 amid escalating tensions in the Strait of Hormuz.

Reuters Reuters+1 source14 August 2026 · 13:03 UTC
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Oil prices are on the rise as the U.S. threatens an indefinite naval blockade of Iran, with Brent crude reaching $87.19 a barrel and WTI at $81.75. This escalation follows stalled ceasefire talks and ongoing tensions in the Strait of Hormuz, a critical oil transit route.45

On Thursday, U.S. Defense Secretary Pete Hegseth stated that the U.S. military could maintain a naval presence in the region “indefinitely” to enforce the blockade. He emphasized, “Indefinitely, the United States Navy can maintain a blockade like that because we’ll rotate ships in and out.” Treasury Secretary Scott Bessent warned of unprecedented economic measures against Iran, stating, “Watch this space for more announcements coming next week because we are going to apply measures that have never been seen in the history of economic isolation of a country.”23

The blockade has already cost Iran at least $6 billion since its implementation on April 13. Analysts suggest that Iran may retaliate by targeting U.S. naval assets or pressuring regional allies to disrupt energy exports. Ali Vaez from the International Crisis Group noted, “Iran could raise the stakes by targeting US naval assets or pushing the Houthis [in Yemen] to tighten the noose around regional energy exports.”

As tensions escalate, oil prices are projected to continue rising, with Brent and WTI set for weekly gains of approximately 4.3% and 4.6%, respectively. The situation remains fluid as both nations assert control over the vital Strait of Hormuz, which previously handled about one-fifth of global oil supplies.

Key Insight
“Brent futures rose to $87.19 a barrel, with weekly gains of 4.3%, as the US blockade and stalled ceasefire talks fuel supply concerns. Meanwhile, reports of declining morale on the USS Abraham Lincoln, including a sailor's attempted overboard, have sparked political backlash, with Senator Blumenthal citing a record 7-month deployment.”
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CuriousCats studied:
1
ReutersReuters
“Oil prices rose on Friday and were on track for ‌weekly gains after the United States threatened an indefinite naval blockade of Iran, raising concerns about disruptions to crude supplies from the Middle East.”
Reuters →
2
Al JazeeraAl Jazeera
“On Thursday, US Defense Secretary Pete Hegseth told reporters that the US military can maintain a naval presence in the region “indefinitely” to enforce its blockade of Iranian ports.”
Al Jazeera →
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