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

CalCOFI California Current Conference 2020
CalCOFI California Current Conference 2020: Understanding unprecedented changes in marine & coastal environments of the California Current Ecosystem Last year’s CalCOFI California Current Conference brought

Farewell to Natalya Gallo: CalCOFI Postdoc
We would like to wish Natalya Gallo, the outgoing CalCOFI postdoctoral scholar, a fond farewell and best wishes on the next chapter of her professional

Welcome Julia Coates: CalCOFI Committee
We are excited to welcome Julia Coates, Senior Environmental Scientist and Specialist at the California Department of Fish and Wildlife (CDFW), to the CalCOFI Leadership

First All-Female Scientist CalCOFI Cruise
The Summer 2020 cruise made history for CalCOFI by having the first all-female science party in the 71 years of our program. See below for
Next Cruise:
2208BH
14 – 29 Aug 2022
R/V Bold Horizon
San Diego to San Diego
Loading 11 – 13 Aug 2022
Offloading 30 Aug 2022
10th Ave Marine Terminal
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.



