Will sargassum affect east coast of Florida?

That's because the seaweed will follow the Gulf Stream current, which moves around Cuba, past the Florida Keys and then makes its way around Miami and the east coast of Florida, its those beaches where the seaweed will likely wash ashore. It's a natural plant is not an invasive species.



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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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The concern is the belt will leave large amounts of stinky sargassum seaweed on beaches in the Caribbean, Mexico and along the east coast of Florida. The brown seaweed, which can carry flesh-eating bacteria and make you sick, is known for its smell.

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As summer is now in full swing, however, scientists with the University of South Florida Optical Oceanography Lab found a drop in the amount of sargassum blooms. Sargassum seaweed on a Fort Lauderdale beach. May 2023. They noted that the amount of seaweed dropped by about 9 million metric tons between May and June.

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no matter how much Sargassum we'll land on the east coast beaches, the west coast of Florida is largely spared every year [and] this year is no exception, Dr. Hu says. Nevertheless, they still anticipate there will soon be an impact on beaches in South Florida where the brown seaweed washes ashore.

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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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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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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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“Sargassum normally does not accumulate in places like Sarasota Bay or Tampa Bay,” says Tomasko. “The biggest problem has been around the resort beaches in the Caribbean and Southeast areas, like Miami Beach.”

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Piles of sargassum seaweed are accumulating on the beaches of Florida's Key West. Scientists say the seaweed is expected to increase even more over the next few months.

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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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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. What is this?

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As of mid March 2023, satellite observations indicate that some of this Sargassum has already reached the northern coast of Cuba.

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A 5,000-mile-wide blob of seaweed is headed for Florida, threatening tourism across the Caribbean. “This is an entirely new oceanographic phenomenon that is creating such a problem — really a catastrophic problem — for tourism in the Caribbean region where it piles up on beaches up to 5 or 6 feet deep,” Lapointe added.

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Learn about sargassum (seaweed) on Miami-Dade County beaches It provides crucial habitat for many marine species, including endangered sea turtles, which, upon hatching on our beaches, make their way out to the sargassum to spend their juvenile years feeding and growing amongst the seaweed mats.

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