Residents of the South East End of the Hamptons are in for a special treat as the normally green-tinted waters of the Atlantic Ocean have turned into a spectacular shade of turquoise.

This unique phenomenon is the result of an algae bloom, a unique phytoplankton known as coccolithophores. Because of this algae bloom, parts of the Atlantic Ocean and bays around the Hamptons and the North Fork have transformed into idyllic visions of Caribbean blue water. 

“The bloom is attributed to the recent bout of thunderstorms and heavy precipitation over the past few weeks across the region, which has caused a significant runoff of nutrients; mainly nitrogen into the waterways. The nitrogen surge is creating low-oxygen dead zones and a potentially harmful algal bloom just offshore in the Atlantic Ocean,” stated the National Weather Service. 

Coccolithophore blooms occur worldwide. However, what distinguishes them is their color, which differs from that of other phytoplankton.

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The long-term effects of the recent algae bloom in the Hamptons are yet to be determined. Scientists are closely monitoring the situation, observing the impacts it may have on the local marine ecosystem. 

These marine phytoplankton are believed to have a significant impact on the global carbon cycle due to the fact that they absorb carbon dioxide during photosynthesis. In addition, they contribute to the formation of marine sediments after they die and their remains settle on the ocean floor. Coccolithophores are able to thrive in coastal waters as well as the open ocean, with their blooms having the ability to affect the overall climate of the earth. While they may be small, they are a vital part of marine ecosystems as they are a primary food source for many marine creatures.

It is unclear how long the algae blooms will last, but it is believed to have peaked over the Fourth of July weekend. Satellite images from the National Atmospheric and Oceanic Administration show the bloom reaches from the Twin Forks to as far west as Long Beach. 

While the blooms give the water a striking turquoise color, it lacks the clarity of the water found on the beaches of the Caribbean. Regardless, the sparkling blue waters have caused a buzz throughout the Hamptons. Already known for its stunning beaches, this unique phenomenon is attracting more visitors to the Hamptons’ beaches. 

Dr. Christopher Gobler of Stony Brook University has classified the bloom for now as a “neutral to good” thing due to the fact that it is a natural phenomenon and serves as a food source for marine life. However, Gobler goes on to say that you can have too much of a good thing and the algae could lead to oxygen levels in the ocean dropping.

While many locals may be enjoying the beautiful blue waters, the phenomenon is not expected to last. It has attracted the attention of many beachgoers who are taking to social media to share the picturesque beach views. For now, residents and visitors alike can enjoy this unique experience.