Is there a sargassum forecast for 2023?

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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There's been a record-breaking sargassum seaweed bloom in 2023 in the Caribbean Sea. In order to help you plan your beach vacation, we've created a list of Caribbean beaches not affected by sargassum seaweed historically. This article was originally published in 2019.

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A giant mass of brown seaweed called Sargassum is heading toward North America. Experts estimate it is over 5,500 miles (8,851 km) long and weighs around 10 million tons. The seaweed is expected to wash ashore on beaches in the Caribbean and Florida in late spring or early summer of 2023.

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2023 is shaping up to be a banner year for sargassum, a type of brown macroalgae now starting to wash up on beaches across the Caribbean. The thick dead tangled heaps of seaweed stink like rotten eggs and could cost many millions in holiday revenues this summer.

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However due to ocean currents, the amount of seaweed landing on beaches in the Caribbean and the Gulf of Mexico in June and July 2023 was lower than expected. There's more good news! The sargassum seaweed forecast for September 2023 is minimal seaweed in the Caribbean Sea.

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The amount of sargassum seaweed in Cancun varies by season and even daily. Generally the worst months for seaweed are July and August.

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In the Caribbean, seaweed season is generally May to October. The worst time for seaweed in Cancun, the Dominican Republic and much of the Caribbean is during the summer months.

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Sargassum inundations occur mainly on the windward coast of Saint Lucia like most Eastern Caribbean Island States, with occasional landings occurring on the southwest coast. This influences which assets are impacted.

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7 September 2023 Update: The Turks and Caicos is experiencing medium levels of sargassum at this time. Grace Bay, Leeward Beach, Sapodilla Bay, Taylor Bay, and the Bight Beach remain largely free of sargassum. Sargassum that washed onshore in late August has largely dissipated.

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In 2018 Antigua and Barbuda recorded its worst year to date resulting in several hotels being forced to close due to piles of the stinking seaweed amassing on beaches. Conditions have however improved in the last couple of years, with a significant decrease in 2021.

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Palm Beach in Aruba, Dutch Caribbean It's one of the most reliable Caribbean islands without sargassum. While there are several small, boutique-sized hotels in Aruba, here are two of our favourite large resorts on Palm Beach and Eagle Beach.

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While the 2023 sargassum bloom isn't as large as originally expected, it will still be a major year for the algae and the lab expected it to continue increasing in the Caribbean Sea and Gulf of Mexico in March. It is expected to travel west from the Caribbean Sea and become a hazard on some beaches in Florida.

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- by Barbados Today March 10, 2023. Barbados is losing vast tracts of beachland annually due to the almost continuous influx of Sargassum Seaweed on its shores.

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Varadero is actually on the Atlantic Ocean, not the Caribbean. Sargassum has never, to my knowledge, been a problem in Varadero. It is, indeed, a beautiful beach, and I would have no worries at all, on that particular score.

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USF reports it remains difficult to predict exact timing and location for individual beaching events but substantial amounts of the seaweed are expected in May in both the Caribbean Sea and Gulf of Mexico. June is forecast to be the likely peak of the 2023 season, but impacts are expected to continue into July.

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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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