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Why is there so much seaweed on South Florida beaches?

Human activity and climate variability have caused sargassum blooms to get bigger since about 2011, according to Chuanmin Hu, a USF oceanography professor who is part of the sargassum observation team.



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Florida's seaweed season typically runs from April until October, peaking in June and July. The seaweed comes in waves, depending on currents and wind direction. The seaweed itself is not harmful to humans, but decaying sargassum on beaches releases hydrogen sulfide that can impact people with breathing issues.

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? Avoid touching or swimming near seaweed to avoid stinging by organisms that live in it. ? Use gloves if you must handle seaweed. ? Stay away from the beach if you experience irritation or breathing problems from hydrogen sulfide—at least until symptoms go away.

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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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Sargassum season in the Mexican Caribbean typically runs from May through October, with July and August generally being the worst months for its arrival.

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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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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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Florida's seaweed season typically runs from April until October, peaking in June and July. The seaweed comes in waves, depending on currents and wind direction. The seaweed itself is not harmful to humans, but decaying sargassum on beaches releases hydrogen sulfide that can impact people with breathing issues.

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Of primary importance is the condition that seaweed cannot be removed from the beach. Seaweed can only be hand raked to the toe of the dune. Anyone wishing to apply for a beach raking permit can apply at the Town's Building Department.

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Are experts sure sargassum seaweed will affect Florida? Sargassum seaweed around the Caribbean, along the ocean side of Florida Keys and east coast of Florida are inevitable.

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As a result of this, Fort Lauderdale crews are out daily, scooping up the fresh sargassum from the beaches. They take truckloads of it to a park where the city repurposes it and by the time it decomposes, it has very little smell and becomes fertile soil.

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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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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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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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Atlantic Beaches (North to South)
  • Jacksonville Beach (surfguru.com)
  • St. Augustine Beach (surfstationcam)
  • Flagler Beach Pier.
  • Ormond by the Sea.
  • Daytona Beach.
  • New Smyrna Beach.
  • Cocoa Beach (Jetty Park)
  • Cocoa Beach.


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