Observing the California Current since 1949 to understand and predict the effects of climate change on marine ecosystems
The California Cooperative Oceanic Fisheries Investigations (CalCOFI) is an oceanographic and marine ecosystem research program off the coast of California that holistically studies the physics, biogeochemistry, and biology of the marine environment to inform the sustainable management of marine resources in the context of climate change.

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, Luke Irza, CalCOFI’s new Research Associate
We are excited to welcome Luke Irza to the CalCOFI team. Luke will serve as a nutrient and seagoing technician. He will carry out the

Welcome, Rachel Pound, CalCOFI’s new Research Associate
We are excited to welcome Rachel Pound to the CalCOFI team. Rachel will serve as a sea going technician and data analyst. She will carry

Next Cruise:
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.



