Understanding California's dynamic ocean, and assessing anthropogenic impacts on its marine environments
The California Cooperative Oceanic Fisheries Investigations (CalCOFI) is a long-term oceanographic and marine ecosystem monitoring and research program that that surveys the physical, biogeochemical, and biological dynamics of the marine environment with the goal of serving data and science in support of sustainable marine resource management.

Oceanographic Data
Temperature, salinity, dissolved oxygen, nutrients, dissolved inorganic carbon (DIC) and many more environmental variables from CTD sampling and underway systems

Marine Ecosystem Data
Marine mammals, seabirds, fish eggs & larvae, zooplankton, phytoplankton, primary production, bacterioplankton, and eDNA from net tows, CTD sampling, and underway systems
Latest News

Welcome Zack Gold, CalCOFI’s new Molecular Ecologist!
We are pleased to welcome Zack Gold to the CalCOFI team. Dr. Gold will serve in a collaborative role as

Data science team completes app to explore CalCOFI physical data
CalCOFI collaborated with the Central Coast Data Science Partnership at UCSB to develop an exploratory app to visualize seawater characteristics

Environmental Policy Masters team completes an assessment on integrated social and ecological management in CA agencies
The UC Davis Environmental Policy and Management Program team in partnership with California Sea Grant, Delta Stewardship Council, and CalCOFI

CalCOFI Coordinator presents at SCCOOS/CeNCOOS Stakeholder Workshop
The UC Davis Environmental Policy and Management Program team in partnership with California Sea Grant, Delta Stewardship Council, and CalCOFI

CalCOFI Conference 2021 explores Social ecological indicators to support marine management in a changing climate
The virtual CalCOFI Conference 2021 brought together over 500 researchers and practitioners to explore the theme, Social ecological indicators to

CalCOFI Hackathon
CalCOFI Hackathon brings together data science & marine science early career professionals to develop innovative data visualization tools using CalCOFI
Next Cruise:
2511SR
9 – 18 Nov 2025
R/V Sally Ride
San Diego to San Diego
Loading 7 – 8 Nov 2025 (Nimitz Marine Facility)
Offloading 19 Nov 2025 (Nimitz Marine Facility)
CalCOFI conducts four research cruises per year; typically in January, April, July, and October.
Cruises depart from and return to San Diego, CA and occasionally San Francisco, CA. Depending on the season and number of stations targeted, cruises are between 15 to 25 days.
Check the Cruises page for dates of upcoming cruises and summaries of completed cruises.



