California · ChartNav curated ground

Nine Mile Bank

The nearshore San Diego bank — yellowtail, barracuda and calico bass, and the first stop on a tuna push.

SST 73°F · charted 300 ft
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 & Yellowfin Tuna — 73°F on top, slack now, moving 5:53 PM–9:53 PM.
Today's bite
dusk bite today
Days ahead
Today GO 10 kt Sun GO 9 kt Mon GO 12 kt Tue GO 10 kt Wed GO 7 kt
5:53 PM – 9:53 PM · dusk bite
0.6 kts at 8:23 PM
Striped Marlin identification illustration
In season (Oct)
SST 73°F in the prime band (70–81°F prime)
Charted 364 ft suits this species (328–6560 ft ideal)
Temperature break nearby (0.8°C across ~15 nm)
Look for tailers and sleepers on a warm blue break, then bait-and-switch with a live mackerel.
Yellowfin Tuna identification illustration
In season (Oct)
SST 73°F in the prime band (72–84°F prime)
Charted 364 ft suits this species (197–4920 ft ideal)
Temperature break nearby (0.8°C across ~15 nm)
Troll skirted lures on blue-water edges, rips and canyon walls; chunk at night.
California Yellowtail identification illustration
In season (Oct)
SST 73°F in the prime band (64–73°F prime)
Charted 364 ft suits this species (49–295 ft ideal)
Temperature break nearby (0.8°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.
Shortfin Mako identification illustration
In season (Oct)
SST 73°F workable (63–72°F prime)
Charted 364 ft suits this species (131–1640 ft ideal)
Temperature break nearby (0.8°C across ~15 nm)
Chum slick on temperature breaks near bait concentrations.
Vermilion Rockfish identification illustration
In season (Oct)
Bottom temp 56°F at 328 ft in the prime band (46–57°F prime)
Charted 364 ft suits this species (164–492 ft ideal)
No charted structure within 250 m — scored cautiously (charts don't mark all hard bottom)
Heavy jigs or bait on deep rock structure; the red one everyone hopes for on a deep drop.
Pacific Sanddab identification illustration
In season (Oct)
Bottom temp 56°F at 328 ft in the prime band (48–59°F prime)
Charted 364 ft suits this species (131–492 ft ideal)
Near the southern edge of its range (regular south to about 33.0°N)
Multi-hook rigs with squid strips dragged on soft bottom; they come up several at a time.
Common Thresher Shark identification illustration
In season (Oct)
SST 73°F workable (59–70°F prime)
Charted 364 ft suits this species (98–1312 ft ideal)
Temperature break nearby (0.8°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.
Mahi-Mahi identification illustration
In season (Oct)
SST 73°F workable (75–86°F prime)
Charted 364 ft suits this species (131–6560 ft ideal)
Temperature break nearby (0.8°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.
Pacific Bluefin Tuna identification illustration
In season (Oct)
SST 73°F outside preference (61–70°F prime)
Charted 364 ft suits this species (328–6560 ft ideal)
Temperature break nearby (0.8°C across ~15 nm)
Glide the boat to foamers and sonar marks; flat-falls at night.
Pacific Bonito identification illustration
In season (Oct)
SST 73°F in the prime band (63–73°F prime)
Charted 364 ft marginal for this species (20–197 ft ideal)
Temperature break nearby (0.8°C across ~15 nm)
Small jigs or a fly-lined bait through a boiling school; they show under working birds.
Blue Shark identification illustration
In season (Oct)
SST 73°F outside preference (55–68°F prime)
Charted 364 ft suits this species (131–3280 ft ideal)
Temperature break nearby (0.8°C across ~15 nm)
They find the chum slick on their own — circle hooks and a wire bite leader, then let them go.
Copper Rockfish identification illustration
In season (Oct)
Bottom temp 56°F at 328 ft in the prime band (46–57°F prime)
Charted 364 ft suits this species (49–295 ft ideal)
Near the southern edge of its range (regular south to about 34.0°N)
No charted structure within 250 m — scored cautiously (charts don't mark all hard bottom)
Bait or jigs right in the rock — a homebody that holds tight to one piece of structure.
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

Slack water right now
5:53 PM – 9:53 PM
0.6 kts · 8:23 PM
1:23 AM – 4:23 AM
0.6 kts · 2:53 AM
1:23 PM – 2:53 PM
0.4 kts · 1:53 PM
Tidal stream at Point Loma Light, 0.8 nmi. east of (9.4 nm away), peak today 0.9 kt — same arrows and curve as the current stations on the main chart. Shaded spans of the curve are the windows. Moving water concentrates bait and turns fish on; slack is the lull. 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
2.3 ft @ 15 s
from SW
Wind sea
1.0 ft @ 3 s
from E · wind chop
Swell 1
1.3 ft @ 15 s
from SW · long-period groundswell
Swell 2
1.1 ft @ 5 s
from WNW
Swell 3
0.9 ft @ 9 s
from SW
Wind: NBM 2.5km direct (69 h) → GFS 0.25° direct (3 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

2026-07-24 → 2026-10-02 · 71–77°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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