California · ChartNav curated ground

Tanner Bank

Cortez's neighbor — a hard-bottom bank holding yellowtail, rockfish and calico bass, with tuna in warm years.

SST 71°F · charted 1500 ft · NOAA-designated EFH here
NOAA ENC + BlueTopo seafloor relief — the same layers as pressing Fish in the app. Toggle layers above; tap the map to pan.
Open on the live nautical chart →

What's biting here — right now

Prime water for Striped Marlin & Swordfish — 71°F on top, water moving now.
Today's bite
6:19 PM – 10:33 PM · dusk bite
Days ahead
Today GO 10 kt Mon OK wind 13 kt Tue OK seas 4.5 ft Wed OK seas 4.6 ft Thu ROUGH seas 5.3 ft
Striped Marlin identification illustration
In season (Oct)
SST 71°F in the prime band (70–81°F prime)
Charted 1840 ft suits this species (328–6560 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
Look for tailers and sleepers on a warm blue break, then bait-and-switch with a live mackerel.
Swordfish identification illustration
In season (Oct)
SST 71°F in the prime band (64–81°F prime)
Charted 1840 ft suits this species (1148–8200 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
In NOAA-designated Essential Fish Habitat
Deep-drop a rigged bait 350-500 m by day along canyon walls.
Yellowfin Tuna identification illustration
In season (Oct)
SST 71°F workable (72–84°F prime)
Charted 1840 ft suits this species (197–4920 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
In NOAA-designated Essential Fish Habitat
Troll skirted lures on blue-water edges, rips and canyon walls; chunk at night.
Shortfin Mako identification illustration
In season (Oct)
SST 71°F in the prime band (63–72°F prime)
Charted 1840 ft suits this species (131–1640 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
Chum slick on temperature breaks near bait concentrations.
Pacific Bluefin Tuna identification illustration
In season (Oct)
SST 71°F workable (61–70°F prime)
Charted 1840 ft suits this species (328–6560 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
Glide the boat to foamers and sonar marks; flat-falls at night.
Common Thresher Shark identification illustration
In season (Oct)
SST 71°F workable (59–70°F prime)
Charted 1840 ft suits this species (98–1312 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
Slow-trolled bait or a chum slick where bait stacks on a break — they stun with the tail, so hook-ups run tail-first.
Opah (Moonfish) identification illustration
In season (Oct)
SST 71°F workable (57–68°F prime)
Charted 1840 ft suits this species (656–3280 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
A deep-drop bycatch of the offshore swordfish drops rather than a target you can plan on.
Blue Shark identification illustration
In season (Oct)
SST 71°F workable (55–68°F prime)
Charted 1840 ft suits this species (131–3280 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
They find the chum slick on their own — circle hooks and a wire bite leader, then let them go.
Mahi-Mahi identification illustration
In season (Oct)
SST 71°F outside preference (75–86°F prime)
Charted 1840 ft suits this species (131–6560 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
Better near weedlines and floating debris, not bottom structure if you can find it
Run and gun to weedlines, boards and birds; pitch ballyhoo or jigs.
California Yellowtail identification illustration
In season (Oct)
SST 71°F in the prime band (64–73°F prime)
Charted 1840 ft marginal for this species (49–295 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
Better near kelp paddies offshore, high spots and island ridges if you can find it
Surface iron or live sardines at kelp paddies and high spots.
Pacific Bonito identification illustration
In season (Oct)
SST 71°F in the prime band (63–73°F prime)
Charted 1840 ft marginal for this species (20–197 ft ideal)
Temperature break nearby (1.1°C across ~15 nm)
Small jigs or a fly-lined bait through a boiling school; they show under working birds.
Sablefish (Black Cod) identification illustration
In season (Oct)
Bottom temp 47°F at 984 ft in the prime band (39–48°F prime)
Charted 1840 ft suits this species (984–2952 ft ideal)
Outside its usual range — a stray this far south (regular south to about 36.0°N)
Deep-drop bait on the slope in 1000-3000 ft — a long haul up for the best-eating fish out there.
Live habitat-envelope scoring at this exact cell — SST, charted depth, charted structure and seabed, NOAA-designated habitat. The same engine and cards as tapping the spot in Fish mode.

Today's bite windows — moving water

Moving water right now — easing
6:19 PM – 10:33 PM
peak 8:26 PM · ebb
1:51 AM – 5:41 AM
peak 3:46 AM · flood
8:21 AM – 11:01 AM
peak 9:41 AM · ebb
Derived from the tide at Wilson Cove, San Clemente Island — flow peaks near mid-tide, goes slack near high and low. No tidal-current station within 10 nm of this spot. Timing only — it never changes the habitat scores above.

The week ahead — full forecast

Drag the graph for any hour — wind, gusts, seas & period, rain, predicted current. The pale band around the wind line is model disagreement; the day chips carry the verdict and the number that caused it; the moons are real phases.
Sea state right now — every train
Combined
3.2 ft @ 14 s
from SSW
Wind sea
0.0 ft
Swell 1
1.8 ft @ 12 s
from NW · long-period groundswell
Swell 2
1.7 ft @ 11 s
from SE · long-period groundswell
Swell 3
1.6 ft @ 13 s
from SSW · long-period groundswell
Buoy check — 46047 (TANNER BANK - 121 NM West of San Diego, 29.6 nm): 5.8 kt observed vs 6 kt forecast, seas 4.6 ft vs 3.2 ft · model agrees with the water
Wind: NBM 2.5km direct (68 h) → GFS 0.25° direct (4 h) → Open-Meteo blend (96 h) · Waves: GFS-Wave 0.16° (12Z cycle), full train decomposition · Confidence band: GEFS ensemble spread · Bite windows: CO-OPS tidal predictions

Water temperature — last 10 weeks

2026-07-25 → 2026-10-03 · 68–73°F

Best months here

J
F
M
A
M
J
J
A
S
O
N
D
Species in season by month for California (from the knowledge base). In season now: Coho (Silver) Salmon, Cabezon, California Halibut, Kelp Greenling, Pacific Sanddab, Black Rockfish, Canary Rockfish, Copper Rockfish, Lingcod, Sablefish (Black Cod).
Other grounds in California
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