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Lake Berkeley Pit (Montana) — one of the area's fishing spots. About 1.8 km² in area. Nearest town — Butte. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.
Nearest towns and cities
Montana: the months when each species peaks and when it goes quiet. The current month is outlined.
| Fish | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Black crappie | active | active |
Look for drop-offs and gaps in the weeds, retrieve slowly, lingering over promising spots.
Berkeley Pit — Tuesday, October 20
The bite is moderate — fish feed in short bursts. Pressure is dropping — this usually boosts the bite. Peak 08:00–09:00 and 18:00–20:00.
The computed water temperature is around 42 °F — colder than the 57–75 °F comfort range for Black crappie: the fish conserves energy and takes more cautiously.
Black crappie works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is rising 0.18 inHg over the day — the bite usually settles down after a rise.
One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.
October is an average month for Black crappie here.
These are the same values the bite curve above was computed from. How the forecast works
Cloudy · feels like +40°
The day is 3 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
Geomagnetic fieldG1 geomagnetic storm, Kp 4.7
Kp index — NOAA data. Not part of the bite score: catches show no link between geomagnetic storms and the bite.
The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.
What are solunar periods?| peak |
| peak |
| peak |
| active |
| fair |
| fair |
| fair |
| active |
| active |
| Lake trout | active | peak | peak | peak | peak | active | fair | fair | slow | fair | active | active |
|---|
| Whitefish | fair | slow | slow | fair | active | peak | peak | active | active | peak | peak | active |
|---|
| Cutthroat trout | fair | slow | slow | slow | fair | peak | peak | active | active | active | active | active |
|---|
| Brook trout | slow | slow | slow | slow | fair | active | peak | active | active | active | active | fair |
|---|
| Largemouth bass | slow | slow | slow | slow | fair | active | peak | peak | peak | peak | active | fair |
|---|
| Pike | active | fair | fair | fair | fair | fair | fair | active | active | peak | peak | peak |
|---|
| Rainbow trout | slow | slow | slow | slow | fair | active | peak | active | active | active | active | fair |
|---|
| Walleye | slow | slow | slow | slow | fair | active | peak | active | active | active | active | fair |
|---|
| Brown trout | slow | slow | slow | slow | fair | peak | peak | peak | peak | active | fair | slow |
|---|
| Yellow perch | slow | slow | slow | slow | fair | active | active | active | active | active | fair | fair |
|---|
| Burbot | peak | active | fair | fair | slow | slow | slow | slow | slow | slow | active | peak |
|---|
| Bluegill | slow | slow | slow | slow | slow | slow | active | active | active | fair | slow | slow |
|---|
| Carp | slow | slow | slow | slow | slow | fair | active | peak | active | fair | slow | slow |
|---|
| Smallmouth bass | slow | slow | slow | slow | fair | active | active | active | fair | fair | fair | fair |
|---|
| Channel catfish | slow | slow | slow | slow | slow | slow | fair | active | fair | fair | slow | slow |
|---|
Look for drop-offs and gaps in the weeds, retrieve slowly, lingering over promising spots.
Berkeley Pit — Tuesday, October 20
The bite is moderate — fish feed in short bursts. Pressure is dropping — this usually boosts the bite. Peak 08:00–09:00 and 18:00–20:00.
Other nearby places to fish
Other nearby waters
The basin is close to regular: the bank runs smooth and natural cover is scarce, so fish hold to the few anomalies — inflows, drop-offs and weed edges. Larger than 5 of the 6 waters nearby.
The longest fetch is 1 mi along the west — east axis: wind along it builds a wave on the open water and pushes silt and food towards the lee bank.