Climate change is accelerating sea level rise. During the 20th century, sea levels rose 0.71 feet in San Diego. By 2100, San Diego could experience another 3.6 to 7 feet of sea level rise.

Sea level rise will mean more flooding and faster rates of erosion along the coastline.

• Coastal Resilience Master Plan - This plan will identify potential nature-based solutions for locations along San Diego's coast to improve the resilience of our coastline and communities to sea level rise while also benefiting wildlife, habitat and natural coastal resources.
• De Anza Natural - Amendments to the Mission Bay Park Master Plan will incorporate nature-based solutions to create a more resilient space to be enjoyed into the future.

The National Weather Service issues Coastal Flood Watches and Coastal Flood Warnings. Large storm events could also result in coastal flooding, particularly if the peak of the storm coincides with high tides. Coastal flooding can be driven by high tides, strong wave action, wave height, wind and other factors.

• A Coastal Flood WATCH means that seawater spillage over dune lines and sea walls will occur if the weather develops as expected. People in the watch area should be ready to move to safe ground if flooding occurs or if warnings are issued.
• A Coastal Flood WARNING means that seawater spillage over dune lines and sea walls is occurring, is imminent or is expected within the next 12 hours. People in the warned area should take immediate action to protect lives and property.

Be aware of these events by visiting the City’s Hazard Dashboard.