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River Grande Prairie Creek (Alberta) — a spot well known among anglers. About 33 km long. The town of Grande Prairie is nearby. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.
Nearest towns and cities
Alberta: 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Bull trout | fair | slow | slow | slow | fair | peak | peak | active | active | peak | peak | active |
| Cutthroat trout | fair | slow | slow | slow | fair | active | peak | active | active | active | active | active |
| Grayling | fair | slow | slow | slow | fair | peak | peak | active | active | active | active | active |
| Mountain whitefish | fair | slow | slow | slow | fair | peak | peak | active | active | peak | peak | active |
| Brook trout | slow | slow | slow | slow | fair | active | peak | active | active | active | 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 |
| Sauger | slow | slow | slow | slow | fair | active | active | active | active | active | active | fair |
| Walleye | slow | slow | slow | slow | fair | active | active | active | active | active | active | fair |
| Brown trout | slow | slow | slow | slow | fair | peak | peak | peak | peak | active | fair | slow |
| Burbot | peak | active | fair | fair | slow | slow | slow | slow | slow | slow | active | peak |
| Lake sturgeon | slow | slow | slow | slow | fair | active | active | active | fair | fair | fair | fair |
| Yellow perch | slow | slow | slow | slow | fair | active | active | active | fair | fair | fair | fair |
| Goldeye | slow | slow | slow | slow | fair | fair | active | active | fair | fair | fair | fair |
Other nearby places to fish
Other nearby waters
The course meanders heavily: the current digs a pool on the outside of every bend and builds a bar on the inside. Those pools under the undercut bank are where pike typically sits.
Wednesday, October 21
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses. The water's cold — fish it more delicately and slowly.
Grande Prairie Creek — Wednesday, October 21
The bite is strong — fish are active. Pressure is dropping — this usually boosts the bite. Peak 08:00–10:00 and 18:00–20:00.
The computed water temperature is around 3 °C — colder than the 7–16 °C comfort range for Brook trout: the fish conserves energy and takes more cautiously.
Going by this year's frosts the ice hasn't formed yet: the season says it should have, but it hasn't been cold enough. This is an estimate from the weather across the whole region, not a measurement on your water.
Brook trout works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is dropping 6 hPa over the day — fish are usually more active ahead of a weather change.
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 active season for Brook trout here.
These are the same values the bite curve above was computed from. How the forecast works
Clear · feels like -5°
The day is 4 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 forecast. 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?Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses. The water's cold — fish it more delicately and slowly.
Grande Prairie Creek — Wednesday, October 21
The bite is strong — fish are active. Pressure is dropping — this usually boosts the bite. Peak 08:00–10:00 and 18:00–20:00.