State Sea Level Rise Resources

State Report Summary Reference

Disclosure Requirement for Residential Real Estate in the Sea Level Rise Exposure Area Flyer

 

The State of Hawaiʻi enacted a new update to the Mandatory Seller Disclosures in Real Estate Transactions Law in 2021, codified within Hawaiʻi Revised Statutes §508D-15, requiring that real estate transactions within the State of Hawaiʻi must disclose any risk of sea level rise to the property.

Risks to oceanfront properties from shoreline erosion and coastal flooding are increasing with sea level rise as documented in scientific and government studies around Hawaiʻi.

Disclosure Requirement for Residential Real Estate in the Sea Level Rise Exposure Area Flyer (2022) Hawaiʻi Climate Change Mitigation and Adaptation Commission, prepared by the University of Hawai’i Sea Grant College Program with the Hawai’i Department of Land and Natural Resources, Office of Conservation and Coastal Lands.

Guidance for Using the Sea Level Rise Exposure Area in Local Planning and Permitting Decisions (2020)

supplement to the Hawaii Sea Level Rise Vulnerability and Adaptation Report and the Hawaii Sea Level Rise Viewer. Intended to assist state and county planners, natural resource and infrastructure managers, and others on utilizing the Sea Level Rise Exposure Area (SLR-XA) from the Report and Finder in day to day planning and permitting decisions.  Guidance for Using the Sea Level Rise Exposure Area in Local Planning and Permitting Decisions (2020) Hawaiʻi Climate Change Mitigation and Adaptation Commission, prepared by the University of Hawai’i Sea Grant College Program with the Hawai’i Department of Land and Natural Resources, Office of Conservation and Coastal Lands.
Hawaiʻi Sea Level Rise Vulnerability and Adaptation Report (2017) This report provides the first state-wide assessment of Hawaii’s vulnerability to sea level rise and recommendations to reduce our exposure and sensitivity to sea level rise and increase our capacity to adapt. Hawaiʻi Sea Level Rise Vulnerability and Adaptation Report (2017) Hawaiʻi Climate Change Mitigation and Adaptation Commission, prepared by Tetra Tech, Inc. and the State of Hawaiʻi Department of Land and Natural Resources, Office of Conservation and Coastal Lands, under the State of Hawaiʻi Department of Land and Natural Resources.
State Tool Summary
HDOT Asset and Hazard Assessment This web map viewer is a supplement to HDOT’s Hawaiʻi Highway Climate Adaptation Action Plan: Exposure Assessments.
How to Use the SLR-XA for Planners
This interactive guide helps planners navigate through the Sea Level Rise Viewer on how to identify sea level rise risks associated with sites of interest.
Sea Level Rise Viewer The Hawaiʻi Sea Level Rise Viewer (Viewer) is intended to provide an online atlas to support the Hawaiʻi Sea Level Rise Vulnerability and Adaptation Report (Report) that was mandated by Act 83, Session Laws of Hawaiʻi (SLH) 2014 and Act 32, SLH 2017. 
Relative Sea Level Rise Trends in Honolulu, HI The plot shows the monthly mean sea level from NOAA Tides and Currents. The graph shows data collected from 1905 to 2019.