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Shipping firms seek clarifications before crossing Hormuz

Published by Global Banking & Finance Review

Posted on April 17, 2026

3 min read

· Last updated: April 18, 2026

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Shipping firms seek clarifications before crossing Hormuz
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By Jesus Calero April 17 (Reuters) - Shipping companies have cautiously welcomed Iran's announcement that the Strait of Hormuz is open but said they would require clarifications before vessels move

Ships test Strait of Hormuz after opening, seek assurances on safety

Shipping Response and Ongoing Security Concerns

By Jesus Calero and Gus Trompiz

PARIS, April 17 (Reuters) - A group of ships made an unsuccessful attempt to exit the Gulf on Friday evening, ship tracking data showed, as shipping companies cautiously welcomed Iran’s announcement that the Strait of Hormuz is open.

Iranian officials said on Friday that the key waterway was open to all commercial traffic during a 10-day ceasefire in Lebanon, triggering a drop in oil and other commodity prices and lifting stock markets.

Initial Attempt to Transit the Strait

Around 20 vessels began sailing towards the Strait of Hormuz on Friday evening but soon halted, with some turning back, MarineTraffic data showed. It was the largest group of vessels to attempt the transit since Iran effectively closed the strait in response to U.S.-Israeli strikes that began on February 28.

It was not immediately clear why the ships stopped. The group included three container ships operated by French shipping group CMA CGM, which declined to comment.

As of 2100 GMT, most vessels in the group had turned back, but tracking data showed several new ships, mainly tankers, heading towards the strait.

Shipping Companies' Reactions

Shipping companies cautiously welcomed Iran's announcement but said they needed further clarifications before resuming transits, particularly around security risks such as the presence of sea mines.

All commercial ships, including U.S.-flagged vessels, can pass through the strait, but transit plans must be coordinated with Iran's Islamic Revolutionary Guard Corps, a senior Iranian official told Reuters.

Ships would be confined to lanes deemed safe by Iran, while military vessels would remain barred, the official said.

International Maritime Organization's Statement

"We are currently verifying the recent announcement related to the reopening of the Strait of Hormuz, in terms of its compliance with freedom of navigation for all merchant vessels and secure passage," said Arsenio Dominguez, secretary-general of the U.N.'s shipping agency, the International Maritime Organization.

Uncertainty Persists Over Safety

UNCERTAINTY PERSISTS

Norway's Shipowners' Association said key issues remained unresolved, including the presence of mines, Iranian conditions and how the measures would be implemented in practice.

"If this represents a step towards an opening, it is a welcome development," said CEO Knut Arild Hareide.

Warnings and Cautions from Industry Groups

Shipping group BIMCO cautioned members against returning too quickly, citing uncertainty over mine threats. A U.S. Navy advisory seen by Reuters also warned about the danger of mines.

German shipping firm Hapag-Lloyd, however, said it was working to resume transit "as soon as possible" but noted that several outstanding questions remained.

Its Danish peer Maersk said it was closely monitoring the situation. Norwegian oil tanker group Frontline declined to comment.

Challenges with New Routes and Insurance

Matt Wright, lead freight analyst at data intelligence firm Kpler, also said it remained uncertain which sea lanes the ships could take to exit the Gulf.

A recent route imposed by Tehran through its territorial waters near Larak Island would present navigational challenges even if vessels were not required to pay a toll and would raise questions regarding compliance and insurance, he added.

(Reporting by Jesus Calero in Gdansk, Christoph Steitz in Frankfurt, Stine Jacobsen in Copenhagen, Gus Trompiz in Paris; writing by Louise Rasmussen and Nerijus Adomaitis, editing by Terje Solsvik, Louise Heavens, Jason Neely and Nia Williams)

Key Takeaways

  • Shipping stakeholders welcome the potential reopening, but require clarity on mine removal and access corridors before resuming operations.
  • Traffic remains highly restricted: Iran may cap daily transit to a fraction of pre‑war levels, impose tolls (possibly in cryptocurrency), and require IRGC‑coordinated routes.
  • Markets reacted swiftly: oil prices plunged (~10‑13%) and stock markets rallied on news, though shipping volumes remain near zero pending concrete navigation protocols.

Frequently Asked Questions

Why are shipping companies cautious about crossing the Strait of Hormuz?
Companies seek clarity on the safety of passage, presence of mines, Iranian conditions, and practical implementation before resuming transit.
What caused the fall in oil prices mentioned in the article?
Iran's announcement to open the Strait of Hormuz led to a fall in oil and commodity prices as market concerns eased.
Are all vessels permitted to cross the Strait of Hormuz now?
All commercial ships, including U.S. vessels, can cross, but their plans must be coordinated with Iran and restricted to designated safe lanes.
Is the threat from sea mines in the Strait of Hormuz fully understood?
No, the threat from mines is not fully understood, and the U.S. Navy advised ships to consider avoiding certain areas.
How did the closure of the Strait of Hormuz impact global shipping?
The disruption forced companies to suspend sailings, reroute cargo, and rely on more expensive shipping workarounds.

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