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California

Lake Berryessa

Lake Berryessa is a lake in Napa County, California, where largemouth bass move between shallow cover and deeper water through the year.

Surface
15,873acres
Primary species
Largemouth
§ 01Today on the water · Lake Berryessavia Open-Meteo · 13:45 local
Air temp
60.3°F
Barometric
29.93″
↑rising 24h(+0.12)
Wind
1mph
from NNE
Moon
Waxing Crescent
day 4.0 · 17% lit

Air conditions sampled near the lake center, not measured on the water · refreshed ~15 min

§ 03Next 3 daysvia Open-Meteo · interpretation
  1. 18
    julSat

    Stable window

    hi 94° · lo 61°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light sw wind · settled

  2. 19
    julSun

    Stable window

    hi 98° · lo 66°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light sw wind · settled

  3. 20
    julMon

    Stable window

    hi 94° · lo 65°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light sw wind · settled

§ 04Field notesCalifornia

Where it is

Set in Napa County, California, Lake Berryessa covers about 15,873 acres. Largemouth here move with the season rather than holding one zone.

Seasonal pattern

Spring. Warming water pulls largemouth toward shallow, protected areas where they stage and spawn; the quickest-warming pockets lead.

Summer. Warm water moves largemouth onto deeper structure and shade; the early and late hours are the better windows.

Fall. Dropping temperatures pull bait and largemouth back toward shallow water in a wider, roaming feed.

Winter. Activity slows and fish hold deeper near stable water; a slow, deliberate presentation is the steadier read.

Key structure

  • Points where shallow water drops toward deeper water
  • Inside turns where a bank changes angle
  • Weed edges and the clean lines along them
  • Shoreline cover near quick depth changes

The seasonal read outweighs any particular area here.

Forage

Baitfish set the pace on Lake Berryessa; largemouth hold near the schools and go where they go.

Access

Public access is available around Lake Berryessa; check current ramp and launch conditions with local sources before a trip, since water levels change through the season.

Regulations

Check current state and local regulations before fishing; limits and seasons can change.

§ 05Sources & field guides

Field guides

Data & references

  • Today's conditions — Open-Meteo, refreshed every ~15 min
  • Moon phase — local astronomical calculation, no external API
  • Lake area, depth, structure — Identity, surface area, coordinates and county/state are from the ProjectD canonical waterbody index (snapshot conus-20260518-v1, group gnis:00255067). Maximum depth and regulation links were not available from an acceptable source and are intentionally omitted.
  • Regulations — verify current state and local regulations before fishing

Last revised · Back to Lake Guide