Every summer the Dominican Republic brace itself for a different attack by Sargassum – the growing of brown seaweed mats from the Great Atlantic Sargassum -Riem.
In 2025, this natural phenomenon reached unprecedented levels, with satellite data that reveals a record -breaking 38 million tons of Sargassum in the Atlantic Ocean and Caribbean in May in May– Double the previous high set in 2022.
While this seaweed plays a critical ecological role offshore, the arrival at beaches of tourism, the marine ecosystems of marine and risks public health through associated dirty scents and toxic gases such as hydrogen sulfide and ammonia
: Mexico Sargassum Daily updates 2024: Cancun, Tulum, PDC, etc.
🌍 Current situation in the Dominican Republic
The Sargassum season of 2025 started unusually early reports indicated that it landed in the middle of the afternoon, a month before the typical peak. By June and July, extensive beach cleansing and barriers were deployed along the coastline of the country, especially in tourism-heavy zones such as Punta Cana, where hotels and authorities smoke to keep resorts operational
Predictions suggest that the inflow can last until the end of the summer, although the circumstances can move, depending on currents, winds and coastal management.
Sargassum Seaweed Season 2025: The latest satellite images and photo reports from Dominican Republic
Based on the satellite images of the University of Florida, there is still a lot of seaweed from Sargassum to the Caribbean and the season will probably last longer this year.
Sargassum Seaweed June 2024 Outlook for the Dominican Republic
Unlike other parts of the Caribbean or MexicoThe Sargassum Seaweed situation in the Dominican Republic has not been very bad in the first two weeks of June. The morning clearances in Punta Cana seem to be very effective and leaves the beach in very good condition for most of the day.
Last Dominican Republic of Sargassum -card
Published by the Optical oceanography laboratory To the College of Marine Science of the University of Florida.
Recent seaweed updates of the Dominican Republic (Punta Cana)
Hoteliers and local authorities are on top of the problem, cleaning beaches every morning and installing ocean barriers to catch the algae before it washes ashore, to offer holidaymakers an unforgettable strander experience.
View this timeline to get a general picture of the current situation on some of the most popular beaches and how it evolves. This report is based on data from the Algues Sargasses Punta Cana And Sargassum Zeewier is a Dominican Republic FB groups.
June 1 – June 18: Latest news and photos
Popular Dominican Republic Beach Battles Sargassum Invasion together with waste problem – The popular local and tourist hotspot Boca Chica reports a constant battle with seaweed and waste problems. Local authorities say they are making more effort to clean up and warnings for the local population, because this can have a huge impact on the local economy. Unfortunately, the opposite is true and the small beach town still has many garbage nuclear points on the Rand, Schools, Center and beaches.
Latest photos of Punta Cana and other parts of DR
As you can see in the photos, the situation has been very volatile, but in general beaches look great, even though the seaweed of Sargassum peaks at this time of the year.
May 10 – May 30
Most popular hotspots in the Dominican Republic see an increase in the seaweed of Sargassum, but the cleansings in the morning are very efficient. It is currently a good time to be in the Dominican Republic. The arrival of Sargasso is expected to rise in the coming weeks.
A beautiful morning photo of Dreams Onyx Resort in Punta Cana
1 – May 9: Punta Cana has seen a Golf in Sargassum Seaweed
Photos uploaded on May 9 by Rick Ram shocked ‘Algues Sargasses Punta Cana’ FB community. It was the biggest arrival of the seaweed season 2024 in the Dominican Republic. After 4 hours of cleaning through a tractor, the beach was completely Sargassum-free, according to Rick’s next video post.
Viral video of Tractor cleaning Sargassum seaweed in the morning:
Is Sargassum seaweed harmful to people?
In most cases, Sargassum is harmless, but it can cause irritation and rashes for people with sensitive skin.
What causes Sargassum seaweed in the Dominican Republic?
The exact cause of the annual seaweed invasion in the Dominican Republic and the rest of the Caribben has not yet been scientifically proven. Various studies suggest that the growth of Sargassum is related to global warming, chemicals used in agriculture and human pollution in the ocean.
