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Group Description


Seasonal high tides occurring within the San Francisco Bay and along the outer coast on January 19th and 20th and February 16th to 18th will provide a preview of what residents might experience regularly in the future as a result of rising sea levels. We invite you to participate in the “King Tide” photo initiative. This is the first year for the initiative in the Bay Area. Its objectives are to:

1. Identify and catalogue coastal areas currently vulnerable to tidal inundation; and
2. Gather compelling graphics and pictures, so we can promote awareness of the specific potential impacts of sea level rise on the region to support climate change mitigation and adaptation.

This initiative is part of a West Coast partnership with Washington State (website, flickr) and others in Oregon and British Columbia (website, flickr).

E-mail us at
Find us on the web at


This table only includes a sample of San Francisco Bay Area and coastal locations with tide information (click on table to enlarge). If your location is not included in the table, you can access a comprehensive list at NOAA Tides and Currents.

Bay Area Tides and Currents by hassrick

Logos by hassrick

Submission details: Please include your contact information and geographically reference the photos with specific locations (GPS position, if possible), orientation, date and time of day. Consider what kind of licensing to add to your photos. We suggest the Attribution-NonCommercial-ShareAlike License. This license will allow us to feature your photography in presentations, websites, publications, etc.

Be sure to read and agree to our Group Rules


You are invited to share photographs of areas that are known to flood and erode and / or areas where the high water levels can be gauged against sea walls, jetties, bridge supports, dikes, buildings or other coastal infrastructure around the Bay Area. Members of the public who photograph these high tide events along beaches, roads, parks and estuaries are invited to submit their images to this Flickr site maintained by the San Francisco Bay National Estuarine Research Reserve (NERR). The NERR and its partners are interested in using the images to document the coastal impacts Bay Area residents are likely to face with increasing frequency as sea level continues to rise. "Before and after" pictures showing average water levels and the extreme high water levels for the same location will be particularly useful.

Group Rules

By joining this group, you agree to the following rules:

1. Join this Flickr Group.

2. Take some photos.
- Be careful during high water and/or stormy conditions
- Make sure your camera is set to the correct DATE and TIME (so metadata is accurate)
- Turn on the camera's GPS if it has one (all King Tide Photos must be referenced to geographic locations)

3. Upload photos to your Flickr Photostream.
- Add descriptions to your photos and make sure to note: DATE AND TIME TAKEN, and GEOGRAPHIC LOCATION
- If the information is available to you, it would also be helpful to know which direction the camera was facing, whether the photo is a low-tide comparison, and what the tide height was above chart datum (e.g. 3.7 m)
- Please TAG your photos as appropriate. We suggest "Bay Area King Tide," "King Tide SF," "King Tide 2010/2011," and others indicating specific location, such as "Bolinas" or "Fisherman’s Wharf."

4. We will use photos submitted to this group according to the"Attribution-NonCommercial-ShareAlike License."
This will allow us to feature your photography in presentations, websites, publications, etc.

5. Add King Tide photos to the Group.
- "Send to group" option, then wait for us to approve it

6. Tune in to see your photo added to the Group.

Additional Info

  • Members can post 20 things to the pool each month.
  • Accepted content types: Photos, Videos, Images
  • Accepted safety levels: Safe
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