What parts of Florida will be affected by seaweed blob?

In April, the seaweed set a record, with scientists identifying 3 million tons of sargassum in the Caribbean Sea. 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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There are reports that the typically clear blue waters of Marathon, Florida have been inundated by the seaweed. Additionally, beaches on Florida's east coast, including Palm Beach, Fort Lauderdale, and the Miami Beach area, are also seeing mounds of sargassum wash ashore.

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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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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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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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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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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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At this time, red tide is not present on St. Pete/Clearwater's beaches. Although many national news outlets reported about a massive seaweed or sargassum blob coming to Florida this summer, this is not affecting the beaches of St. Pete/Clearwater in any way.

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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.

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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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Over the past several years, South Florida and the Caribbean have experienced high levels of sargassum in coastal waters and on local beaches.

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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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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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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 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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Currently, beach cams in Fort Myers Beach and Naples show clear shorelines with little to no sargassum. It is noted that 'Seaweed Season' just ended, which tends to appear on Florida beaches in the spring, with a peak in June.

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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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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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DAYTONA BEACH, Fla. The seaweed called sargassum has been showing up for the last few weeks. Those on the beach in Volusia County think it could help rebuild the dunes and beaches after last year's hurricanes took several dozen feet of sand back to the ocean. “A lot of people think we move it. We don't move it.

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Study: Sargassum on beaches can hide notable amounts of Vibrio bacteria. COCOA BEACH, Fla. — The sight of bountiful seaweed coating parts of the shoreline of Florida's Atlantic coast is nothing new for the late spring and early summertime. What is new to researchers is what may be within the sargassum.

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