Experts warn of an intense sargassum season this 2026 on the beaches of Quintana Roo: When does it start?

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The sargassum season is about to begin in Quintana Roo, and since March 4th, environmental experts and even NASA have warned authorities that 2026 will be a particularly intense season in terms of the arrival of this macroalgae to the coasts due to the weather conditions that already caused problems in February.

Since the beginning of the year, unusual sargassum arrivals have been reported on the beaches of Cancún, Tulum, and Playa del Carmen. Actions against this brown seaweed recently began, sending a clear message to tourists that this year will see even more of it.

And although many feared this news, this week the University of Florida joined other satellite monitoring specialists to explain that a large wave of macroalgae is approaching, and that it will be more abundant than in recent years. In February alone, authorities collected 5,700 tons.

Installation of anti-sargassum barriers is progressing; The first stage will conclude before March 15th.

When does the 2026 sargassum season begin in Quintana Roo?
The 2026 sargassum season in Quintana Roo will officially begin at the end of March and will end in November of the same year. Authorities have already implemented sargassum collection plans in anticipation of its arrival, which include the following:

For this reason, the municipalities of several towns may be requesting volunteers to help clean the beaches of sargassum at dawn so that tourists and locals can enjoy the Caribbean Sea without problems.

Cancun, Playa del Carmen, Tulum, Cozumel, and Mahahual will be the areas most directly affected by the sargassum arriving at the beginning of the season. The rest of the state should be alert for sightings, which will be monitored by the authorities.

One of the recommendations we can give you to enjoy the sea without worrying about sargassum is to wait a little while in the mornings to go into the sea completely clean; if for some reason they haven’t collected it, just walk a little and you’ll find a free space.

¿Cuándo llegará el sargazo a Quintana Roo?

Source: quintanaroo.heraldodemexico