USGS Monitors California Beaches for Erosion Hazards

Researchers are surveying coastal conditions in anticipation of potential impacts from the 2026-2027 El Niño.

Updated on Oct. 20, 2026 in Geography

A weathered wooden survey stake stands in the sand at a California beach under a grey, overcast sky. — The USGS has begun comprehensive coastal monitoring across California beaches to assess erosion hazards posed by the upcoming El Niño season. AI Illustration. Upload story photo >

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Is your community doing enough to prepare for potential coastal damage from severe weather patterns?

The USGS is conducting coastal monitoring across California to assess erosion hazards. The agency plans to survey several locations this fall and next spring to better understand how potential floods and increased wave energy affect the coastline.

Why it matters

These surveys are critical for improving seasonal and long-term coastal planning. By analyzing sediment delivery and beach changes, officials can better prepare for storm-related risks.

The USGS collects extensive bathymetry data from watercraft and beach elevation measurements via aerial platforms, foot surveys, and all-terrain vehicles. This research quantifies the effects of floods and wave energy on the California coast.

The players

USGS

The United States Geological Survey is a federal scientific agency that studies the landscape of the United States, its natural resources, and the natural hazards that threaten it.

The details

Monitoring programs such as those at Ocean Beach and the San Lorenzo River mouth provide vital data on sediment delivery from local watersheds. The collected metrics help researchers assess how specific landforms respond to dynamic weather events.

2004: The Ocean Beach monitoring program began.
2005: Monitoring began in Santa Barbara.
2024: The Santa Barbara monitoring program ended.
Fall 2026: Short-term coastal surveys are scheduled to begin.
Spring 2027: Additional short-term coastal surveys are scheduled.

The Big Picture

The current California monitoring effort follows the data collection patterns established by the USGS Coastal Change Hazards program. This consistent methodology allows researchers to bridge gaps in historical data and improve predictive models for coastal resilience.

Enhanced monitoring provides data that can guide local storm planning and coastal management strategies. These findings may eventually influence infrastructure decisions and public safety protocols for residents living near erosion-prone beach areas.

The takeaway

Understanding seasonal coastal changes is essential for community preparedness as climate patterns fluctuate. Residents in coastal areas should remain informed on local hazard reports and follow guidance from emergency management officials.