Join an expert birder as the King Tide goes out to watch the birds flock to the mudflats to feed!

Experience the extraordinary phenomenon of king tides at China Camp State Park. This guided, family-friendly walk will explore how these exceptionally high tides shape our shorelines, wetlands, and wildlife—and what they can teach us about future sea-level rise.

Come out to the Refuge in Alviso to observe & record the King Tides event!

The January 2026 King Tides event is being held concurrently in two different locations on the Refuge: Ravenswood Unit and Alviso.

Stop by during your lunch or morning break and watch as the 7.6-foot-high king tide flows into the marine protected area. Participate in community science and take photos to help document this tidal event!

Join Friends of Sausal Creek (FOSC) and I Heart Oakland–Alameda Estuary (IHOAE) for a guided King Tides Walk and Talk along the Oakland–Alameda Estuary.

Become a community scientist for the day on this discovery walk. Help protect our wetlands from the impacts of sea level rise by documenting what you see, learn what causes the annual King Tide event, and how conservation can help preserve the wetlands from future sea level rise.  

King Tides are the highest tides of the year - pedal with us to explore and learn about the Guadalupe River and the San Francisco Baylands!

What are King Tides? How do they affect plants and animals, and what can we learn from them? Find out the answers to these questions and participate in the community science King Tides Project on this easy walk along the San Francisco Bay shore.

What are King Tides? How do they affect plants and animals, and what can we learn from them? Find out the answers to these questions and participate in the community science King Tides Project on this easy walk along the San Francisco Bay shore.

Ever heard of a “king tide” and wondered why they're so special? Join us to find out and see a high king tide for yourself!

Winter ducks on Lake Merritt and other birds usually means easy viewing from the sidewalk. The lake is one of the few places in the Bay Area where Barrow's Goldeneyes can be seen. An entry fee past the gate at Children's Fairyland is usually required.

Ride the biggest tide of the year from Petaluma to San Pablo Bay!  Shuttle service will be coordinated.

Come out to the Refuge's Pond SF2 to observe & record the King Tides event!

Come out to the Refuge in Alviso to observe & record the King Tides event!

Join the EV in a fun (free!), interactive learning experience which will teach you about what King Tides are and why they are exciting! The event will include a brief hands-on science talk about the tides, and then a gentle walk through the Baylands. Highest of the high tides is at 12:24pm. Walks go RAIN or shine! Be prepared for some wet trails and maybe some puddle-jumping.

Stop by and watch as the 7.8-foot-high king tide flows into the marine protected area.

Come join your neighbors and local scientists to document the highest tides of the year!

Join your neighbors and local scientists to document the highest tides of the year!

Late fall during high tide is a beautiful time to walk the shoreline, with great views, lots of wildlife to see, and some interesting history to discuss. 3.5 miles of flat walking through diverse landscapes.

King tides and storms often dump loads of floating trash onto the shoreline this time of year. We can protect wildlife and make our beach a more beautiful place by picking up some of it!

Join us for beginner- and family-friendly group bike rides to Ravenswood Preserve to witness the highest tides of the year!

Join Naturalist Melissa as we hike through Dotson’s Marsh to witness this season’s King Tides

Join us on the water during one of the highest tides of the year. We'll start with dry land instruction, then paddle our steady and stable craft on a group exploration of this lovely, rich shoreline.

We'll gather between Pier 3 and Pier 5 on the Bay side of San Francisco's Embarcadero.

Stay tuned for a photography workshop, tidepooling with volunteers, and guided walks on February 9th! 

Learn about this beautiful protected space, and join us for a walking tour of Bair Island during the King Tide!

Come experience one of the highest tides of the year and a glimpse into the future.

Join a stroll along the Bay to observe, photograph, and discuss the king tide. Find out what causes the tides and why we have king tides this time of year, and learn about sea level rise and resilience projects.