Yellowfin Tuna Fishing in California
Thunnus albacares
Also known as: Ahi, Yellowfin, Kihada, YFT
California quick take
Southern California yellowfin are a condition-driven fishery, so commit only when warm blue water and life are truly in range.

Max Length
239cm
Typical trophy size
Max Weight
200kg
Record class
Water Temp
64–88°F
Preferred range
Difficulty
4/5
Skill level
How to catch Yellowfin Tuna in California
Southern California yellowfin are a condition-driven fishery, so commit only when warm blue water and life are truly in range.
Where to fish for Yellowfin Tuna in California
Run from San Diego toward offshore paddies, porpoise schools, current seams, and warm blue-water lanes.
Check banks and edges where bait, birds, and floating structure cluster in late summer and fall.
Skip lifeless cold water and stay on the cleanest temperature break with visible signs of forage.
How to work the pattern in California
Troll small tuna lures until you locate traveling fish or a paddy zone with obvious life.
Fly-line a lively bait or cast a popper outside the school instead of dropping directly on top of them.
Use knife jigs when fish mark deep under the paddy or beneath the boat after the surface action fades.
Seasonal behavior in California
California yellowfin are mostly a late-summer into fall fishery because that is when warm offshore water most often pushes close enough to southern ports for efficient runs. Early season opportunities usually depend on unusually warm years, while the core window builds once paddies, bait, and tropical current lines settle offshore of San Diego. Fall can be excellent as long as the warm edge holds and the fish keep riding structure or porpoise schools. Winter usually sees the practical fishery fade quickly because the right water slips south and the local ocean cools.