Predicted High Tides
The following list shows predicted high tides at or above 6.4 feet through January 2025 at the San Francisco tide gauge.
2024:
December 11, 7:32 AM, 6.4 feet
December 12, 8:12 AM, 6.7 feet
December 13, 8:54 AM, 7.0 feet
December 14, 9:37 AM, 7.1 feet
December 15, 10:22 AM, 7.0 feet
December 16, 11:08 AM, 6.8 feet
December 17, 11:54 AM, 6.5 feet
December 30, 10:11 AM, 6.4 feet
December 31, 10:53 AM, 6.4 feet
2025:
January 1, 11:35 AM, 6.4 feet
January 28, 9:58 AM, 6.5 feet
January 29, 10:42 AM, 6.5 feet
January 30, 11:28 AM, 6.4 feet
Above image of the Mill Valley-Sausalito Multiuse Pathway was taken during the November 2024 King Tides event.
Preparing for King Tides in December and January
Seasonal high tides often cause flooding in Marin County’s shoreline communities and low-lying roads, especially during winter storms. Flooding from tides can happen even without rain and is expected to occur over the next few months.
Based on tide predictions from the National Oceanic and Atmospheric Administration (NOAA), high tides that could flood roads, mainly in coastal areas, are expected from December 11-17 and 30-31, as well as January 1 and 28-30. If a high tide happens during a storm, water levels can be even higher than predicted. Accuweather is predicting rain on December 13, 14 and 16, so water levels may be higher on those days.
Drivers should plan extra time for trips and be ready to take different routes to avoid flooded roads. Never drive through standing water—just six inches can stall your car.
MORE INFO
To prepare for king tides, you can:
• Check for road closure information on Caltrans' QuickMap.
• Plan ahead and take action to reduce flood risk on your property
• Clear dead leaves from gutters, driveway pipes, and storm drains
• Allow extra time for trips and use alternative routes
• Avoid driving through standing water
• Take and share photos of the shoreline to document changes to the coast
• Be cautious and respectful of the ocean
• Be aware of your surroundings and the weather conditions
• Don't turn your back on the ocean
Flooding and Winter Storm Resources
Being prepared in the event of an emergency is important for your safety, as well as the safety of your community and first responders. Please review these flooding and winter storm resources from the County of Marin Emergency Portal as well as from the Southern Marin Fire District.
Sign up for Emergency PSPS Notifications
It is a good idea to be signed up for PG&E, AlertMarin and Nixle alerts if your power goes out due to a Public Safety Power Shutoff.
California King Tides Project
The California King Tides Project asks for your help to photograph the highest predicted high tides of the year, Dec. 13-15, 2024. It's easy to help:
- Choose where along the coast or bay you'd like to go.
- Find the high tide time closest to your chosen location.
- Learn how to upload your photos here. You can photograph King Tides on your own, or join one of the community events being organized by local partners in Corte Madera, Sonoma Coast, San Rafael, Palo Alto, Elkhorn Slough, Santa Monica, San Diego, San Francisco, or online with California State Parks.
Your photos help the California King Tides Project understand what's vulnerable to flooding today, plan for future sea level rise, and get us all talking and thinking about the impacts of the climate change and what we can do to make a difference.
You can also view past King Tides photos on the California King Tides Project website.
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Lower Half of Manzanita Park and Ride Lot in Mill Valley
Closed Due to Projected High Tides
Caltrans maintenance is scheduled to close the lower half of the Manzanita Park and Ride lot, along with the shoulder parking on State Route 1 (Shoreline Highway), in the city of Mill Valley from Tuesday, Dec. 10 through Tuesday, Dec. 17 due to forecasted hightide flood warnings.
The projected high tides are expected during the daytime hours.
The lower half of the park and ride lot will be closed 24 hours per day during this period to prevent overnight parking in the lot, and to ensure the safety of motorists that frequent this park and ride lot.
High tides alone can flood the lot at certain times of the year. Caltrans closes parts of this lot when rains and/or tides are likely to produce problems.
Caltrans will activate Changeable Message Signs (CMS) in the park and ride lot to notify the public.
For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
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