America's Preparedness Report Card

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Hawaii Coastal Flooding

About 65,000 people in Hawaii live within the 100-year coastal floodplain; by 2050, the the state faces the greatest percentage increase in coastal flooding threat of any state. Even though the state has recognized the risk climate change poses for coastal flooding, it has not yet put adaptation plans in place.

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For more information on how prepared Hawaii is for its growing coastal flooding threat, read the detailed state report

Is Hawaii taking action?

  • Through a series of laws passed by the state legislature, Hawaii has recognized coastal flooding and sea level rise to be one of the primary threats to the state from climate change
  • In 2014, Hawaii’s governor signed the Hawaii Climate Adaptation Initiative Act, which calls the for a sea level rise climate vulnerability assessment to be conducted, and an adaptation planning report to be created by the end of 2017
  • So far, these actions called for by the Hawaii Climate Adaptation Initiative Act have not yet been finished