Mexico and Honduras face “a more aggressive sargassum avalanche than ever”

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Mexico and Honduras face “a more aggressive sargassum avalanche than ever”

Mexico and Honduras face “a more aggressive sargassum avalanche than ever”

In recent weeks, several countries bordering the Caribbean Sea have been experiencing an increase in cases of sargassum seaweed on their beaches. This is a worrying situation for local ecosystems and also for the tourism industry, a vital sector in the region.

Tourists sit on a beach covered in sargassum seaweed, in Cancun, Mexico, June 4, 2025. Paola Chiomante/REUTERS

While we often hear in France about the scourge of sargassum seaweed invading the coasts of Martinique and Guadeloupe, the phenomenon is also affecting several Latin American countries bordering the Caribbean Sea, such as Mexico and Honduras. And, according to the local press, the year 2025 is shaping up to be particularly worrying.

In Mexico, although these brown algae are already familiar, researchers from the National Autonomous University of Mexico (UNAM) estimate that the quantities washed up on the country's beaches could exceed the 2018 record of 522,000 tons, reports El País América . Mexican media outlet Aristegui reports a 40% increase compared to previous years, particularly in the states of Quintana Roo and Yucatán, on the front line of this invasion.

Further south, in Honduras, concerns are just as acute. Interviewed by La Prensa , the director of the Cuyamel-Omoa National Park (near Belize), Gustavo Cabrera, warns of “an avalanche of sargassum more aggressive than ever”. According to international projections relayed by the daily, some 31 million tonnes are expected to wash up on the beaches of Florida , the peninsula

Courrier International

Courrier International

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