How much of Hawaii will be underwater?
Ava Arnold
Updated on January 04, 2026
As much as 40% of Hawaii's beaches could be lost to sea level rise by 2050, a new study predicts.
sea level rise
Between 1901 and 2018, the globally averaged sea level rose by 15–25 cm (6–10 in). More precise data gathered from satellite radar measurements reveal an accelerating rise of 7.5 cm (3 in) from 1993 to 2017, for an average rate of 31 mm (11⁄4 in) per decade.
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Will Hawaii be underwater by 2050?
By 2050, sea level in Hawaii could rise by as much as 1 foot.Is Hawaii gonna be underwater?
Because the rate of ice melt has been increasing significantly since 1992 and the land is sinking due to a process called subsidence, Hawaii is particularly vulnerable to an increased rate of sea level rise in the future.How many years until Hawaii is under water?
Slowly, slowly, the Big Island of Hawaii is sinking toward its doom.Will Hawaii be underwater with climate change?
Sea levels are also rising about one inch every four years, threatening 70% of Hawaii's coastline, according to Hawaii's state website. Owens said that in Maui alone, 85% of shorelines are eroding and beaches are "narrowing" as a result.Timeline: What If Toys Became Alive?
What will happen to Hawaii in 2050?
HONOLULU (KHON2) — A federal report warns that sea level along America's coastline is projected to rise about a foot, on average, in the next 30 years. That's as much as the rise measured over the last 100 years.Can a tsunami wipe out Hawaii?
SAN FRANCISCO — Huge tsunamis with waves as high as a four-story building could inundate the island of Oahu, washing out Waikiki Beach and flooding the island's main power plant, a new study finds.What cities will be underwater by 2050?
There are numerous heavily populated sinking cities like Mumbai, Shanghai, NYC, and Miami at risk. With a population of 10 million, Jakarta is considered by some to be “the fastest-sinking city in the world” and is projected to be “entirely underwater by 2050”.Will the Hawaiian Islands disappear?
The island erodes and the crust beneath it cools, shrinks and sinks, and the island is again submerged. Millions of years from now, the Hawaiian Islands will disappear when the edge of the Pacific plate that supports them slides under the North American plate and returns to the mantle.Which cities will be underwater by 2030?
Cities that could be underwater by 2030
- Amsterdam, the Netherlands. There's a reason they're called the Low Countries. ...
- Basra, Iraq. ...
- New Orleans, USA. ...
- Venice, Italy. ...
- Ho Chi Minh City, Vietnam. ...
- Kolkata, India. ...
- Bangkok, Thailand. ...
- Georgetown, Guyana.