King Tide Photo Surveys coming up! July 3rd and 4th, 2023

Help us document the impacts of King Tides (the highest high tides of the year). Documenting King Tides can give us a snapshot of what our future shorelines may look like with rising sea levels. Visit the project website,, for peak high tide times at locations across the Hawai'ian Islands on King Tide photo survey dates.

2023 Photo Survey Dates

  • July 3rd & July 4th
  • July 31st & August 1st
  • August 28th & August 29th

Photo Database

Website screenshot of Hawai'i and Pacific Islands King Tides Project Database
You can explore the database of photographs to see all of the new photos submitted.

About the Project

The University of Hawaiʻi Sea Grant College Program’s Hawaiʻi and Pacific Islands King Tides Project needs your help to document today’s high water level events, also known as King Tides, to better understand tomorrow’s impacts from sea-level rise and other coastal hazards. King Tides provide a window into our future because today’s high tides are tomorrow’s average sea levels. You – our community scientists – can add to our free, publicly accessible and crowd sourced dataset by photographing King Tides at places important to you throughout Hawai‘i and Oceania. Photos, observations, date, time, and location can be submitted through our Hawaiʻi and Pacific Islands King Tides Project web platform which you can access through your smartphone or desktop computer.

Your images and data are a significant contribution to community efforts to understand and adapt to rising seas



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