In deep water, the sun's rays are entirely absorbed by the particles present in the water itself, as sediments are located way down the ocean. Thus, deeper parts of the ocean have a darker hue to them.

Why is New York ocean water brown?

That's when the warmer surface temperatures of the ocean move further out to sea and are replaced with deeper, colder and more sediment-rich waters. The Pacific Ocean is huge and turns a lot of water brownish-gray as a result of upwelling.

Is the ocean water in New York dirty?

New York's beaches are among the dirtiest in the country, according to the latest report card by the Natural Resources Defense Council. The 20th annual "Testing the Waters" survey out Wednesday shows the state has slumped to 7th worst in the nation for the quality of its beach water; we were 9th worst the year before.