A grey, even sky over the water, with stillness over the whole water with a settled glass. Most of the action on Jeffries Lake should come off bays that hold the day's warmth. If you must go, go in the night. One good spot fished well beats five fished quickly. Cooler water spreads fish back across the shallows.
The bites are poor now
Night
Jeffries Lake is one of the Thunder Bay District waters in Ontario. It stands 329 metres above sea level. Roughly 69 hectares: a morning covers one end, an afternoon the other. The margin runs to about 5.1 km in total. Greenstone is the closest town at 51 km. Geraldton follows at 56 km, then Longlac at 70 km. The nearest boundary is a fair way off.
Nothing we hold settles how deep this runs. The productive water is a rod length or two out, not a hundred. A soft bed grows weed late into autumn, which keeps fish shallow. Public occurrence data for Thunder Bay District names cisco, blackfin cisco and rainbow smelt. Those are county-wide records, so not every one of them will be in this water. At Jeffries Lake light and wind decide more than tackle does.
The warm month here averages 16°C; the cold one sits at -20°C. Cold dominates the calendar on water this far north. Winter fishing happens on the ice here, with open water back around early May. The open-water window runs from around early May to about mid November in an average year. Fishing peaks soon after break-up and again before the cold returns. On Jeffries Lake that shapes the whole year.
Public data does not answer the access question here. This is a natural basin, not a dammed one. Access points are not mapped for this water, which suits people who like quiet. One rod, a handful of hooks and floats, and a few small lures are enough for this water. Sort the permit out before you load the car. Where tickets apply, they are sold in the nearest town rather than on the bank. Sandhill Lake at 3 km is the sensible second choice. Treat Jeffries Lake as unsettled until someone local tells you otherwise.
25%
The bites are poor now
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 12.5 | 16.1 | 17 | 14.4 | 13.7 | 12.6 | 13.2 | 12.4 | 12.2 | 13.3 | 14.9 | 15.3 | 15.5 | 15.4 | 17.1 | 18.4 | 19.5 | 19.3 | 18.2 | 15.6 | 14.2 | 13.3 | 13.4 | 13.3 |
| 9° | 9° | 9° | 8° | 8° | 8° | 7° | 7° | 7° | 7° | 9° | 10° | 10° | 10° | 11° | 11° | 11° | 11° | 10° | 9° | 8° | 8° | 7° | 7° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 101 |
| 87 | 86 | 88 | 89 | 89 | 90 | 90 | 90 | 89 | 88 | 86 | 80 | 77 | 76 | 75 | 73 | 71 | 70 | 72 | 76 | 77 | 78 | 80 | 81 |
Sam
AI Fishing Assistant for Jeffries Lake
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Afternoon
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time