Sea Level Rise

Sea level rise resulting from climate change is an issue that has far reaching consequences for California, including the lands under the jurisdiction of the Commission.  Lands within the Commission’s jurisdiction and adjacent properties are already vulnerable to a wide range of naturally occurring events, including storms and extreme high tides.  While some of these lands remain undeveloped, significant portions of California’s shoreline areas have been developed, including areas either pursuant to a lease from the Commission or pursuant to authorization from local government trustees of state tide and submerged lands.  The Commission has an important role to play in addressing the issue of sea level rise and assuring that those decision makers involved in proposed and existing development on the state’s Public Trust lands consider the impacts of sea level rise.

reference materials

  • Adapting to Rising Tides - the ART Project - is a collaborative planning effort to help San Francisco Bay Area communities adapt to rising sea levels.

  • Cal-Adapt - Sea Level Rise: Threatened Area Map - Global models indicate that California may see up to a 55 inch (140 cm) rise in sea level within this century given expected rise in temperatures around the world.  The following map tool displays areas that may be in threat of inundation during an extreme flood event (100 year flood).  
  • California Climate Adaption Planning Guide - These documents provide guidance to support regional and local communities in addressing the unavoidable consequences of climate change.

  • CA Coastal Commission (CCC) Global Warming and Climate Change Resources - On this page you'll find information useful for coastal development applicants, local governments, and the general public.
  • San Francisco Bay Conservation and Development Commission (BCDC) Climate Change Planning Program - The San Francisco BCDC provides valuable information on climate change impacts and adaptation strategies involving the Bay Area.

  • Ocean Protection Counci's (OPC) Climate Change Program - The OPC continues to work with the Coastal Conservancy, and Coastal Commission to promote coastal adaptation planning and science. This site contains grant availability, guidance and policy resources and a list of funded projects.

  • OPC’s Sea Level Rise Resolution - Resolution of the California Ocean Protection Council on Sea Level Rise adopted on March 11, 2011.

  • OPC's Update to the Sea Level Rise Guidance Document - March 15, 2013 - OPC staff presented an update to the State of California Sea Level Rise Interim Guidance Document. The purpose of the SLR Guidance remains the same, to help state agencies incorporate future sea level rise impacts into planning decisions, but has now been updated to include the best current science, as summarized in the final report from the National Academy of Sciences, Sea-Level Rise for the Coasts of California, Oregon, and Washington.

  • Minute Item 49 - A one-year status update on implementation of the recommendations of the Report on Sea Level Rise Preparedness adopted by the Commission at its December 17, 2010 meeting.

  • Sea Level Rise Resurvey - This is a follow-up survey report dated July 23, 2010 that assessed the extent to which the state’s major local government trustees of state tide and submerged lands and the Commission’s major lessees had considered the potential impacts of sea level rise on facilities located on state Public Trust lands.

  • Minute Item 39 - Commission action on December 17, 2009 in response to the staff’s report entitled, “A Report on Sea Level Rise Preparedness”.

  • Sea Level Rise Report - This December 2009 staff report was prepared at the request of the Commission to address concerns on the issue of sea level rise, the extent to which major local government trustees of state tide and submerged lands and the Commission’s major lessees had considered the potential impacts of sea level rise on facilities located on Public Trust lands. The report also included a summary of the efforts of California, federal agencies, and other coastal states, and a set of recommendations to lessen the impacts of sea level rise.

  • Governor’s Executive Order S-13-08 - Governor Schwarzenegger signed this order on November 14, 2008 to create statewide consistency in planning for sea level rise. The executive order calls for, among other things, the completion of a Sea Level Rise Assessment Report, the consideration of sea level rise scenarios for the years 2050 and 2100, and the development of a Climate Adaptation Strategy.