Where is all the seaweed coming from in Cancun?

Sargassum seaweed is a type of macroalgae that forms over the Atlantic Ocean each year in large quantities. The foul-smelling but harmless seaweed is a perennial issue for Caribbean destinations like Cancun, which see huge quantities of the macroalgae wash up on their shores yearly.



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Sargassum is at its worst between April and August, peaking in July and August, although this year saw the seaweed arrive early, with some beaches being hit heavily in March.

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While exposed eastern shores are most likely to get hit by surges of sargassum, some beaches in Mexico have no sargassum. This includes Playa Norte on Isla Mujeres, Quintana Roo and Cozumel's western shore. They're generally seaweed-free. However, much depends on winds and ocean currents.

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Sargassum seaweed is a type of macroalgae that forms over the Atlantic Ocean each year in large quantities. The foul-smelling but harmless seaweed is a perennial issue for Caribbean destinations like Cancun, which see huge quantities of the macroalgae wash up on their shores yearly.

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Since 2011, 2023 still ranks in the top half of the worst sargassum seaweed seasons. With the latest data, USF researchers say in June, sargassum will likely decrease in the Gulf of Mexico, meaning beachgoers may not have such a smelly experience. The USF lab forecasts the decrease to continue through August.

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The best bet for beaches near Cancun with no seaweed is to head to the island of Isla Mujeres or to the leeward coast of Cozumel by ferry. The beautiful north beach on Isla Mujeres itself is almost always clear of seaweed.

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If you don't have any open wounds, you should be OK to swim in oceans with sargassum, since that environment is moving saltwater instead of brackish water, he added. But if you see a clump go by, stay away from it.

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From October to May to avoid seaweed If you want to dip into sargassum-free beaches, the best season is from October to May.

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Grace Bay Beach in Providenciales, Turks and Caicos Grace Bay in Providenciales, Turks and Caicos is definitely a destination to consider if you're looking for Caribbean beach without seaweed for a family, couples or group vacation.

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Short Summary. Cancun is generally safe for travelers but take necessary precautions and take government website travel alerts into consideration. Follow safety tips like avoiding walking alone at night and sticking to well-known establishments.

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Avoid the sargassum on Yucatan's islands Due to the currents, sargassum usually only affect the east coasts. In the Riviera Maya, most of the beaches are east-facing coast. As the islands of Yucatan have beaches in all four directions, there you might almost always find beaches free of brown algae.

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Popular resort hubs, including Playa del Carmen and Tulum, have ramped up efforts to deter sargassum from affecting travelers. What is this? Both destinations have set up temporary barriers and hired more cleaners in an effort to attract more travelers.

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Playa Norte, Isla Mujeres, Mexico Playa Norte is a dazzling beach in the Caribbean without sargassum seaweed. This beach is a perfect white sand haven for vacationers to take a break from their busy lives.

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While exposed eastern shores are most likely to get hit by surges of sargassum, some beaches in Mexico have no sargassum. This includes Playa Norte on Isla Mujeres, Quintana Roo and Cozumel's western shore. They're generally seaweed-free. However, much depends on winds and ocean currents.

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In Mexico, sargassum seaweed season is generally between May and October each year. If you travel to the Caribbean coast of Mexico outside of that time period you can generally avoid large mats of seaweed on the beaches. Cancun to Tulum seaweed map in March 2022.

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Marama Beach has the clearest water in Mexico - Picture of El Dorado Maroma, Playa Maroma - Tripadvisor.

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You can swim peacefully! There are no dangerous species near the coasts of Cancun and the Riviera Maya. No shark attack, no jellyfish schools, no sea snakes! Beware of stingrays in the Caribbean Sea.

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The beaches in Playa del Carmen experience a seasonal seaweed influx that can change throughout the year. While efforts are being made to address the situation, visitors should know that the seaweed may impact their beach experience.

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