Posted on 05/18/2026 5:44:45 PM PDT by nickcarraway
Large amounts of sargassum have already been detected across parts of the Atlantic and Caribbean earlier than in previous years.
South Florida beaches are once again dealing with large blooms of sargassum seaweed, and scientists say the 2026 season could become one of the worst on record.
Large amounts of sargassum have already been detected across parts of the Atlantic and Caribbean earlier than in previous years.
The large blooms are attributed to warmer ocean temperatures and more nutrients in the water.
Trade winds and ocean currents are pushing the floating brown algae from the Atlantic Sargassum Belt through the Caribbean and into our local beaches.
The brown seaweed has already started piling up along beaches in Miami-Dade and Broward counties, creating strong odors and frustrating beachgoers heading into the busy summer season.
Once sargassum washes ashore and begins to decay, it releases hydrogen sulfide gas, often described as smelling like rotten eggs.
While sargassum plays an important role in the open ocean by providing habitat for marine life, heavy beach accumulations can hurt tourism, impact marine ecosystems, and cost coastal communities millions of dollars in cleanup efforts each year.
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Most Caribbean islands discharge their sewage and wastewater directly into the ocean, often completely untreated. An estimated 85% of domestic wastewater in the Wider Caribbean Region enters the sea partially treated or entirely untreated.
- Just sayin’ AI
FR experiences sarcasm blooms at times.
GLOW BULL WARMING! Its steaming out there....😂😵

Sargassum
Why do the ‘nature’ lovers always end up hating ‘nature’... It’s seaweed... Get over it.
How is the seaweed by Bradenton/Sarasota? Heading there in a few weeks or so.
If that is the stuff that gets huge and looks like a space monster when fresh and wet, then it is the stuff that I put in an apartment swimming pool in Encinitas, Ca. one time, it looked great and won much admiration.
Nobody gets my sargassum.
Turn it into fuel.
https://pmc.ncbi.nlm.nih.gov/articles/PMC9819324/
It’s full of sugars and anaerobic bacteria love sugars they make methane for you as the munch munch it. Mix it with sewage sludge or cow manure for extra flavaahh.
https://cbe.rutgers.edu/news/transforming-troublesome-seaweed-feedstock-future
https://pulitzercenter.org/stories/can-sargassum-be-turned-caribbean-gold
You need to remove the sand first a simple seawater wash can do this it’s a business opportunity the cities pay to have it hauled off so it’s a waste stream.
I remember that episode! Wasn’t that the very first one? It was a great series.
Leave it to the big brains at MIT to make lumber out of seaweed it is a natural polymer after all.
https://solve.mit.edu/solutions/101251
Or make building blocks good for 120 years like cinder blocks but no cement the seaweed is the binder.
Waste not.want not
Yes, it was the first episode. The image I posted was from a comic book adaptation that followed a bit later.
We’re in the Bahamas on our sailboat heading north and have seen a few patches, even though we are inside the Exumas chain.
It’s gonna get stinky if they don’t clean this up if it hits the beaches.
My submarine did a swim call once in the Sargasso Sea. It was a truly amazing thing to witness. A floating ecosystem all on its own. A tiny world unto itself.
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