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Surface Current Mapping

Interface to HFRADAR Derived Surface Currents

Data access is available in a number of formats and protocols: Learn more about data access.
Regional abbreviations used and their definitions:
  • AKNS - Alaska, North Slope
  • GAK - Gulf of Alaska
  • PRVI - Puerto Rico and US Virgin Islands
  • USEGC - US East and Gulf Coast
  • USHI - US Hawaii State
  • USWC - US West Coast

Station status is monitored in near real-time.
There is a kml station status file that provides basic metadata for reporting stations.

Metadata for the stations is available here.

Disclaimer: This is a research project and may contain errors. Please contact with the providers of this data to ensure accurate values before making any critical judgements.

New beta product:
Advanced mapping application
COCMP Logo California Coastal Conservancy

Ocean current maps are a product of the Coastal Ocean Currents Monitoring Program (COCMP). The project is funded by California State Coastal Conservancy and the State Water board with resources from California Clean Water, Clean Air, Safe Neighborhood Parks, and Coastal Protection Act of 2002 and the Water Security, Clean Drinking Water, Coastal and Beach Protection Act of 2002. COCMP is managed by the California State Coastal Conservancy.

Site: TRES To learn more about using radio waves to track ocean surface currents, view our site reference here. You can learn more about how HF radar works, and how it's used to track oil spills, coastal discharges, and marine populations in California's coastal waters. You can also view a comprehensive listing of all of the HF radar sites along the California coastline. Check out your region and find out what sites are nearby. To request a hard copy, please contact us at info@sccoos.org.

SoCal Map