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Shasta Lake fishing conditions

California · Northern California / Sacramento River · 30,000 acres · max 517 ft

Four arms, deep clear water and a strong spotted bass population

Sample dataUpdated October 19, 2026 — 12:04 AM
8.5out of 10

Current conditions

Excellent

Fishing score 85/100

How this score is calculated

Water temperature18.4 / 20

66°F and stable (+0.3°F / 3 days) against a 58–82°F active band.

Barometric pressure15.0 / 15

29.99 inHg and falling (-0.09 / 24 h).

Wind10.0 / 10

7 mph out of the N. Ideal chop on wind-blown structure.

Water clarity8.2 / 10

8.1 ft of visibility. Very clear — downsize line and lengthen casts.

Water level3.0 / 10

-13.6 ft from normal pool and falling (-0.4 ft / 7 days).

Moon & solunar5.2 / 10

56% illumination. Quarter moon — weaker feeding periods, rely on light change.

Seasonal pattern10.0 / 10

Fall pattern is fully established.

Sky & rain15.0 / 15

34% cloud, 64°F air, 0 in of rain in 24 h.

What should I do today?

The single highest-percentage pattern for the conditions right now.

TargetLargemouth Bass
Depth4–14 ft
LocationSubmerged grass edges, main-lake points, laydowns and dock lines
TechniqueTexas rig / swimbait
Lure4.5 in paddle-tail swimbait
ColorGreen pumpkin / natural shad
RetrieveSlow to moderate, bottom contact every few feet
Best window6:08 AM – 8:53 AM
WhyWater temperature is holding near 66°F, so the fall pattern is stable, falling pressure ahead of a change usually triggers a feeding window.

Backup pattern

Jerkbait on wind-blown rock for smallmouth bass — Rock points in the upper arms.

Right now

Current conditions

Water temp

66°F

▲ +0.3°F / 3 days

Air temp

64°F

34% cloud cover

Wind

7 mph

Out of the N

Pressure

29.99"

▼ Falling pressure — a change is moving in

Water level

-13.6 ft

▼ -0.4 ft / 7 days

Clarity

8.1 ft

Light flow

Rain (24 h)

0"

No meaningful runoff

Moon

56%

First Quarter · solunar 12/100

Sunrise

6:33 AM

Low-light window opens 25 min earlier

Sunset

5:15 PM

Evening window runs the last 2 hours

Season

Fall

Pattern driving today's plan

Best window

6:08 AM

Through 8:53 AM

Timing

Today's fishing windows

12 AM6 AM12 PM6 PM11 PM
  • Solunar minor 212:21 AM – 1:21 AM
  • Solunar major 25:51 AM – 7:51 AM
  • Morning prime window6:08 AM – 8:53 AM
  • Sunrise6:33 AM
  • Solunar minor 112:21 PM – 1:21 PM
  • Evening window3:15 PM – 5:50 PM
  • Sunset5:15 PM
  • Solunar major 15:51 PM – 7:51 PM

Structure

Lake structure and depth zones

Today: 4–14 ft — Largemouth Bass0 ft30 ft60 ft90 ft120 ftShoreline / bankShallow flatDrop-offOffshore humpLedgeMain channelSecondary point
Typical structure profile for Shasta Lake: steep rock banks and bluff points, flooded brush lines during high water, submerged creek channels, standing timber in the pit arm. Average depth 140 ft, maximum 517 ft.
  • Steep rock banks and bluff points
  • Flooded brush lines during high water
  • Submerged creek channels
  • Standing timber in the Pit arm
  • Bridge pilings and the dam face

Substrate

Bottom composition and why it matters

  • Rock 40%

    Holds heat in spring and crayfish year-round — the first place smallmouth and staging bass set up.

  • Gravel 22%

    Primary spawning substrate. Fish stack on gravel transitions when water hits the 58–66°F band.

  • Sand 12%

    Clean bottom for bait schools and sight-feeding fish, but little cover — look for the edge where sand meets something else.

  • Clay 8%

    Holds hard bottom in stained water and dumps the most colour after rain. Crankbait banks.

  • Mud 8%

    Warms fastest in late winter and holds wintering bait, but goes dead in the summer heat.

  • Timber 6%

    Vertical cover fish use to change depth without leaving structure — key on standing timber during frontal swings.

  • Vegetation 4%

    Oxygen, shade and ambush cover. The outside grass edge is the highest-percentage line on most lakes.

Depth

Depth guide for today

Depth bands for today — adjusted for the fall pattern, current water temperature, cloud cover and wind.
SpeciesDepth todayActivityWhere they are here
Largemouth Bass4–14 ftHighSpotted bass are the main event: drop shot 20–40 ft banks, or throw a topwater over deep water in low light.
Smallmouth Bass10–25 ftHighRock points in the upper arms.
Rainbow Trout5–25 ftModerateTrolled near the surface in spring, then 30–60 ft through summer.
Catfish12–30 ftHighChannel cats in the coves of the Pit arm.

Targets

Target species at this water

Largemouth Bass

Spotted bass are the main event: drop shot 20–40 ft banks, or throw a topwater over deep water in low light.

Active temp
58–82°F
Structure
Submerged grass edges, main-lake points, laydowns and dock lines
Technique
Texas rig / swimbait
Bait
Live shiners
Lure
4.5 in paddle-tail swimbait (3.5"–5")
Color
Green pumpkin / natural shad
Retrieve
Slow to moderate, bottom contact every few feet
Best time
First 3 hours after sunrise and the last 2 before dark

Stages from wintering creek channels to secondary points at 52–58°F, spawns on hard bottom at 62–68°F, then slides to grass edges and ledges once surface water passes 78°F.

Smallmouth Bass

Rock points in the upper arms.

Active temp
52–74°F
Structure
Rock transitions, gravel flats, current seams and offshore humps
Technique
Ned rig / drop shot
Bait
Crayfish, leeches
Lure
2.75 in Ned-rig finesse worm (2.5"–4")
Color
Green pumpkin / smoke purple
Retrieve
Drag and pause, 3–5 second pauses
Best time
Mid-morning on cold fronts, low light in summer

Holds deep rock until water hits 48°F, moves to gravel spawning flats at 58–64°F, then splits between shallow current and 20–30 ft humps through summer.

Rainbow Trout

Trolled near the surface in spring, then 30–60 ft through summer.

Active temp
45–65°F
Structure
Inflows, spring seeps, rip-rap banks and the thermocline in summer
Technique
Small spoons / inline spinners
Bait
Nightcrawler or dough bait off bottom
Lure
1/8 oz casting spoon (1"–3")
Color
Silver / rainbow pattern
Retrieve
Steady with occasional stalls
Best time
First light and overcast afternoons

Cruises the surface layer whenever water is under 60°F and drops to the oxygenated band just above the thermocline in mid-summer.

Catfish

Channel cats in the coves of the Pit arm.

Active temp
60–85°F
Structure
River channels, holes below points, flats adjacent to deep water
Technique
Anchored cut bait / drifting flats
Bait
Cut shad, skipjack, chicken liver
Lure
Circle hook 6/0–8/0 on a Santee rig (Palm-size bait chunks)
Color
n/a — scent driven
Retrieve
Static or 0.5–0.8 mph controlled drift
Best time
Sunset to midnight; all day when water is stained

Pushes shallow to spawn in rock and bank holes at 70–78°F, then feeds on channel edges at night through summer and gorges on shad in the fall.

Patterns

Season-by-season patterns

Winter

48–52°F

Vertical presentations on steep rock; spotted bass school in 30–60 ft and can be caught on a spoon.

Spring

56–68°F

Rising water floods brush: flip it. Spots spawn on shallow rock flats and pockets.

Summer

72–78°F

Deep drop shot on main-lake points and a topwater walker at sunrise; trout hold at the thermocline.

Fall

58–70°F

Falling water pulls fish to main-lake structure; shad schools bring surface activity.

Outlook

7-day fishing forecast

DayScoreWaterWindPressureLevelClarityBest speciesTechniqueBest window
Today85Excellent66°F7 mph N29.99"-13.6 ft8.1 ftLargemouth BassTexas rig / swimbait6:08 AM – 8:53 AM
Tue88Excellent65°F9 mph NW30.28"-1.2 ft6.7 ftLargemouth BassTexas rig / swimbait6:09 AM – 8:54 AM
Wed83Excellent63°F9 mph SW29.67"-14.5 ft11.1 ftLargemouth BassTexas rig / swimbait6:10 AM – 8:55 AM
Thu90Excellent66°F9 mph E29.82"+2 ft11.8 ftLargemouth BassTexas rig / swimbait6:11 AM – 8:56 AM
Fri84Excellent65°F11 mph NE29.77"-7.4 ft11.8 ftLargemouth BassTexas rig / swimbait6:12 AM – 8:57 AM
Sat83Excellent65°F9 mph NW29.89"-16.5 ft8.4 ftLargemouth BassTexas rig / swimbait6:13 AM – 8:58 AM
Sun75Very Good64°F3 mph SW30.16"+10.6 ft11.5 ftLargemouth BassTexas rig / swimbait6:15 AM – 9:00 AM

The water

About Shasta Lake

Shasta is a deep, steep-walled reservoir with four major arms — Sacramento, McCloud, Pit and Squaw Creek. Water level swings enormously between spring and fall, which exposes and floods entire bands of shoreline brush. Spotted bass dominate the bass fishery, with trout and kings in the open water.

Surface area
30,000 acres
Max depth
517 ft
Average depth
140 ft
Elevation
1,067 ft
Typical clarity
10 ft
Annual level swing
60 ft
Coordinates
40.800, -122.350
Region
Northern California / Sacramento River

Local knowledge

Expert notes

  • Shasta spots suspend over deep water constantly. If your graph shows fish at 35 ft over 150 ft, a drop shot on a long line or a spoon is the answer — not a bottom bait.
  • When the lake is dropping 1 ft per day in August, the fish move out with it daily. Yesterday's spot is often 10 ft too shallow today.

Logistics

Access, ramps and boating

boat ramp

Packers Bay

Central access to the Sacramento arm.

marina

Bridge Bay Marina

Fuel, houseboats and ramp near the I-5 bridge.

boat ramp

Jones Valley

Access to the Pit and Squaw Creek arms.

Rules

Regulations

  • California fishing license required.
  • Black bass: 5 per day, 12 in minimum (verify current rule).
  • Trout and salmon limits differ from bass limits — check the inland regulations booklet.
  • Ramp availability changes dramatically with lake level; call ahead in late summer.

Always verify current regulations with the relevant state wildlife agency before fishing. California Department of Fish & Wildlife

Transparency

Data sources

Where this data comes from

Conditions are modelled from each water's documented climate, structure and seasonal patterns. Modules marked “Live data integration pending” are not yet pulling from their API, so those values are clearly labelled as sample data rather than presented as real-time readings.

  • Weather API

    Pending

    NOAA / National Weather Service — Air temperature, wind, cloud cover, rainfall and barometric pressure with a 7-day forecast.

  • Water Level & Flow API

    Pending

    USGS Water Services — Reservoir stage, discharge and 7-day level trend from the nearest gauge.

  • Water Temperature

    Pending

    USGS / NOAA buoys — Surface water temperature and its multi-day trend.

  • Tide & Current API

    Pending

    NOAA CO-OPS — Tide predictions, current direction and speed for coastal zones.

  • Moon & Solunar

    Live

    Computed on-site — Moon phase, illumination and solunar major/minor periods are calculated from date and coordinates.

  • Water Clarity

    Pending

    Satellite imagery + angler reports — Visibility estimates by lake arm, refined by submitted fishing reports.

  • Fishing Regulations

    Pending

    State wildlife agencies — License, size and creel rules, linked to the official agency page for verification.

  • Map Data

    Pending

    Bathymetry + access point database — Depth zones, structure locations and boat ramps for the lake infographic.

Keep reading

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