In 2025, the seaweed season in the Cancun Area is slowly starting and sargassum is already invading some beaches across the Mexican Caribbean coast. Based on the latest satellite images (see below) experts predict 2025 could be another major bloom year, depending on nutrient availability.
Generally, the beaches most affected by high concentrations of algae include Cozumel, Playa del Carmen, Tulum, Sian Ka’an, and certain areas between Cancun and Puerto Morelos.
However, accurately predicting which beaches will be affected and to what extent is extremely difficult, as conditions change almost daily and often without notice.
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Read on for the latest information on the sargassum situation at Mexicos’ beaches.
What is the seaweed sargasso and what is causing it?
Sargassum is a floating brown seaweed known for its leafy appearance and air-filled bladders that help with buoyancy.
Recent surges in sargassum blooms, especially in the Caribbean and Atlantic, are linked to nutrient pollution from agriculture and waste, climate change, and shifting ocean currents. These conditions fuel rapid growth, causing major environmental and economic problems for coastal areas.
When Does Seaweed Season Start In Cancun (Mexican Caribbean)?
According to the data from the last 2 years, seaweed season in Cancun starts in February and peaks between April and August. Some parts close to Cancun, such as Playa del Carmen, Cozumel, and Puerto Morelos see the start of the peak already in February.
Sargassum Seaweed Cancun Right Now (January 29, 2025 Update)
Levels of sargassum seaweed have been low / to none around the Cancun Hotel Zone during the first month of 2025, but the latest satellite images already predict another heavy sargassum seaweed season.
Latest News: Could South Florida see a major seaweed event by spring 2025? Satellite imagery suggests so (NBCMiami.com)
Dr. Dennis McGillicuddy recalls fishing off Miami with his grandfather, searching for sargassum because it signaled abundant marine life. Sargassum provides habitat for various species, including juvenile mahi-mahi, but excessive blooms can cause problems.
Satellite images from the University of South Florida (USF) show an unusually high amount of sargassum in the Central and East Atlantic as of December 2024—ranking above the 75th…
Read full article: Cancun Sargassum Season 2025 – Predictions, Updates, MAP, etc.
The post “Cancun Sargassum Season 2025 – Predictions, Updates, MAP, etc.” by Viktor Vincej was published on 01/29/2025 by www.travelinglifestyle.net