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Thornbrough Bay (British Columbia) — one of the area's fishing spots. About 13 ha in area. Salt water, not fresh — so this page carries its own marine bite forecast. This page shows an hourly bite forecast for today and the week ahead; the algorithm factors in the weather, atmospheric pressure, and the moon phase.
British Columbia: 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steelhead | peak | peak | peak | active | fair | active | peak | peak | peak | active | peak | peak |
| Pacific halibut | fair | slow | slow | slow | active | peak | peak | active | active | peak | peak | active |
| Lingcod | slow | slow | slow | slow | fair | peak | peak | active | active | active | active | fair |
| Rockfish | slow | slow | slow | slow | fair | peak | peak | active | active | active | active | fair |
| Brown trout | slow | slow | slow | slow | fair | peak | peak | peak | peak | active | fair | slow |
| Chinook salmon | slow | slow | slow | slow | active | peak | peak | peak | active | fair | slow | slow |
| Dolly Varden | slow | slow | slow | slow | fair | active | peak | peak | peak | active | fair | slow |
| Chum salmon | slow | slow | slow | slow | slow | slow | fair | active | peak | peak | peak | fair |
| Coho salmon | slow | slow | slow | slow | slow | fair | active | peak | peak | peak | fair | slow |
| Sockeye salmon | slow | slow | slow | slow | fair | peak | peak | peak | active | fair | slow | slow |
| Pink salmon | slow | slow | slow | slow | slow | fair | peak | peak | peak | fair | slow | slow |
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 11 of the 20 waters nearby.
The water is sheltered: there is almost no fetch, so wind stirs it up very little.
Wednesday, October 21
Green check: this species was recorded here by GBIF. Species without a check may still occur in the waterbody.
Look for structure — reefs, flats, channel edges; work them slowly near the bottom. The water's cold — fish it more delicately and slowly.
Thornbrough Bay — 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 4 °C — colder than the 6–17 °C comfort range for Brown trout: the fish conserves energy and takes more cautiously.
Brown 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 Brown trout here.
These are the same values the bite curve above was computed from. How the forecast works
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -0.2 m | -0.6 m | -1.0 m | -1.1 m | -1.0 m | -0.6 m | -0.1 m | 0.5 m | 0.9 m | 1.2 m | 1.3 m | 1.1 m | 0.7 m | 0.2 m | -0.2 m | -0.5 m | -0.6 m | -0.4 m | 0.0 m | 0.5 m | 0.9 m | 1.2 m | 1.2 m | 0.9 m |
Open-Meteo tide model, grid point 8.3 km away
Open-Meteo Marine model, grid cell 8.3 km from the waterbody. Values are daily means.
Clear · feels like +1°
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 fieldquiet, Kp 3.7
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?Green check: this species was recorded here by GBIF. Species without a check may still occur in the waterbody.
Look for structure — reefs, flats, channel edges; work them slowly near the bottom. The water's cold — fish it more delicately and slowly.
Thornbrough Bay — 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.