A tourist boat, Wonder Sea, capsized in Ha Long Bay, Vietnam
A tourist boat, Wonder Sea, capsized in Ha Long Bay, Vietnam. Source: Nga Pham

Vietnam’s Tourist Vessel Tragedy: 34 Killed When Wonder Sea Capsized Despite January 2025 Safety Certificate

July 20, 2025
2 mins read

A devastating incident struck Vietnam’s tourism industry on July 19, 2025, when the Wonder Sea tour boat capsized in Ha Long Bay during a sudden thunderstorm, claiming 34 lives with 8 passengers still missing. The tragedy raises urgent questions about maritime safety standards, weather monitoring protocols, and emergency response capabilities in one of Asia’s premier tourist destinations.

The 24-meter vessel, carrying 48 passengers and 5 crew members, encountered severe weather between 1:30 and 2:00 p.m. local time. According to VnExpress International, the boat “was sailing through Ha Long Bay” at 12:55 p.m., then “around 1:30 p.m., it was suddenly struck by a storm, causing it to tilt and overturn. By 2:05 p.m., the vessel had lost its GPS signal.”

An eyewitness told AFP news agency that “the sky darkened around 2 p.m.” with “hailstones as big as toes with torrential rain, thunderstorm and lightning.” The rapid deterioration of weather conditions overwhelmed the vessel despite its having received a certificate of technical safety and environmental protection from the Quang Ninh Department of Construction in January 2025.

Authorities immediately mobilized a comprehensive rescue response involving border guards, navy personnel, police, and port authorities. The operation deployed 27 boats and two specialized rescue crafts coordinated through a central command post. By evening, rescue teams had pulled 11 survivors from the water.

Among the survivors was a 14-year-old boy who remarkably endured four hours trapped in an air pocket within the overturned hull. Bui Cong Hoan, deputy head of the Ha Long Cruise Ship Association, described how rescuers broke a window to extract the teenager from the submerged cabin. A 10-year-old boy was also rescued and taken to Bai Chay Hospital with multiple injuries but in stable condition.

Most passengers were Vietnamese families from Hanoi, including more than 20 children. The youngest passenger was just 3 years old, with the eldest being 53.

Mai Van Khiem, director of the National Center for Hydro-Meteorological Forecasting, clarified that the thunderstorm responsible for capsizing the Wonder Sea resulted from local wind patterns rather than the approaching Storm Wipha. This tropical system is currently intensifying in the South China Sea and projected to make landfall around July 22 with winds potentially reaching 100-135 kilometers per hour.

The approaching storm may further complicate ongoing search and recovery operations in Ha Long Bay, as it has already disrupted air travel at Noi Bai airport in Hanoi, where several flights have been diverted or grounded due to deteriorating conditions.

This is not the first maritime disaster to strike Ha Long Bay. During Typhoon Yagi in September 2024, reports confirm at least 30 vessels sank in the area, including 27 tourist boats and 4 cargo ships. That storm, described by Vietnamese officials as “one of the most powerful typhoons to hit the region in the last decade,” caused widespread devastation across northern Vietnam.

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The recurrence of vessel incidents in Ha Long Bay raises serious concerns about the effectiveness of current maritime safety protocols, particularly during Vietnam’s unpredictable storm season. Despite the Wonder Sea having met regulatory requirements with its January 2025 safety certification, questions remain about whether existing standards adequately account for rapidly changing weather conditions in this UNESCO World Heritage Site.

Prime Minister Pham Minh Chinh has expressed condolences to victims’ families and called for thorough investigations. Deputy Prime Minister Tran Hong Ha is directly coordinating rescue and recovery efforts, ensuring what he described as “seamless coordination” among all agencies involved.

Vietnamese authorities have indicated they will “investigate and clarify the cause of the incident and strictly handle violations,” according to government statements. The findings may have significant implications for maritime safety regulations and tourism operations in Vietnam’s coastal regions.


This report contains verified information about the Wonder Sea capsize in Ha Long Bay on July 19, 2025, resulting in 34 confirmed deaths and 8 missing persons. Despite having proper safety certification from January 2025, the vessel was overwhelmed by a sudden severe thunderstorm between 1:30 and 2:00 p.m. local time. Rescue operations continue as Storm Wipha approaches Vietnam’s northern coast.

Govind Tekale

Embarking on a new journey post-retirement, Govind, once a dedicated teacher, has transformed his enduring passion for current affairs and general knowledge into a conduit for expression through writing. His historical love affair with reading, which borders on addiction, has evolved into a medium to articulate his thoughts and disseminate vital information. Govind pens down his insights on a myriad of crucial topics, including the environment, wildlife, energy, sustainability, and health, weaving through every aspect that is quintessential for both our existence and that of our planet. His writings not only mirror his profound understanding and curiosity but also serve as a valuable resource, offering a deep dive into issues that are critical to our collective future and well-being.

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