Why is the water so blue in Hawaii?

Hawaii's ocean water is nutrient deficient. This is common in tropical areas with warm surface water temperatures. A lack of nutrients means there are fewer phytoplankton and algae in Hawaii's water, which makes it more blue.



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Hawaii has less algae and other organisms such as zooplankton and other particles which is one reason why the water appears bluer. Other reasons for the blue appearance of Hawaii's waters are: The warmth of the tropical waters is conducive to less chlorophyll which reduces the algae content making the waters bluer.

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The ocean acts like a sunlight filter. The ocean is blue because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the blue part of the light spectrum for us to see.

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They are not comparable. If you want gin clear water and white sand, the Pacific Ocean is not for you. Hawaii has many beautiful beaches, and there is good off shore snorkeling at some of them, but they are not like the white sand beaches of the sheltered Caribbean. Hawaiian waters are colder, wilder, and less clear.

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The lens-shaped body of fresh water that exists within Oahu's porous volcanic rock is called an aquifer, or fresh water lens. This water is among the cleanest anywhere, having been purified through years of percolating downward through soil and volcanic rock.

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20 Bluest Waters In the World
  • The Maldives. The Maldives, located in the Indian Ocean, have around 1,190 islands and sandbanks. ...
  • Palawan, Philippines. Palawan is an archipelago with 1,780 islands. ...
  • Crater Lake, Oregon. ...
  • Exuma, Bahamas. ...
  • Hanauma Bay, Oahu, Hawaii.


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Be it a honeymoon in Bora Bora, a friends-only weekend away in the Bahamas, or a family trip to the Greek Islands, that blue water has us all hooked. But how, exactly, does it get to be that unbelievable hue anyway? The reason the ocean is blue is due to the absorption and scattering of light, NASA explains.

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Kauna'oa (Mauna Kea) Beach, Hawaii Island The beach is a pristine beauty with turquoise waters, gentle waves, and plenty of marine life, including turtles and the occasional manta ray.

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1. Blue Hole – Santa Rosa, New Mexico. Approximately a two-hour drive from Albuquerque, the sapphire cenote is located in eastern New Mexico in the middle of a desert oasis.

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Waters in places like the Caribbean, South Pacific like in Bora Bora, and Greece are shallower and almost free of plankton, causing them to be a specific shade of azure blue. These waters are also usually home to heavier sand and sediment, which churn up less, leaving waters more clear.

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The Bora Bora Lagoon offers a magnificent vista with lush vegetation, white sand beaches, and soaring mountains. Its crystal-clear waters allow for activities like swimming, snorkeling, and exploring coral reefs, where visitors can encounter diverse marine life, including colorful tropical fish and sea turtles.

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Hawaii's No. 1 ranking comes from various factors, including a relatively low obesity rate, a large percentage of adults engaging in leisure-time physical activites, a relatively low percentage of adults with high cholesterol and good eating habits.

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