California King Tides Project

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The next California King Tide Project dates are
November 15-17 and December 13-15, 2024.

Join #KingTides:
         

Sign up to receive email about King Tides.

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The California King Tides Project helps us visualize future sea level by observing the highest tides of today. You can help by taking and sharing photos of the shoreline during King Tides to create a record of changes to our coast and estuaries.

Explore a map of photos from recent King Tides.

Find out what time and how high the King Tides will be near you. Learn how to participate by uploading your photos via a web browser or with a free app. Your photos will be added to a map of this season's King Tides photos. As always, please be cautious and respect the power of the ocean, and don't disturb shorebirds that may be much farther upland than usual.

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Join a King Tides event:

Observe and document King Tides on your own or join a group event. Events will be posted throughout the season, so check back for more. If you would like to organize an event, please email us at kingtides@coastal.ca.gov. Each respective hosting organization is responsible for the following events. Please contact them for further details.

Saturday, November 16, 2024

• King Tide Ride to Ravenswood Preserve
  Meet at Redwood City Public Library
  1044 Middlefield Road, Redwood City, San Mateo County
  Nov. 16, 11am-3pm
  Presented by Silicon Valley Bicycle Coalition.
  Join a beginner- and family-friendly group bike ride to Ravenswood Preserve to witness the highest tides of the year! Register for the ride.
• King Tide Hike
  Tijuana Estuary
  Imperial Beach, San Diego County
  Nov. 16, 9am
  Presented by Tijuana River National Estuarine Research Reserve and California State Parks.
  Details to come.

Saturday, December 14, 2024

• King Tide Day in San Rafael
  711 Grand Avenue, San Rafael, Marin County
  Dec. 14, 9am-noon
  Presented by Canal Alliance, Multicultural Center of Marin, UC Berkeley, City of San Rafael, and Canal Arts.
  Join your neighbors and local scientists to document the highest tides of the year! Teams will use community science kits to explore how low-lying spots along the waterfront are affected by king tides. Measure flooding and take pictures alongside local experts. San Rafael is one of the Bay Area's most vulnerable cities to sea level rise, and the information you collect will help our community prepare. Please register in advance for this free event. Waterproof boots recommended!