An even grey lid over the water, with just enough NNW wind to ripple the surface and no real change in pressure. The productive water at Lac Siom will be around the calm side of the wind. Expect the better fishing from afternoon into evening. Give the likely spots time before moving.
The bites are excellent now
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Lac Siom is an Outaouais water, Quebec side. The surface lies 381 metres up. Surface area is around 16 hectares, which gives you real water without needing a boat. The edge runs 1.9 km or so, easy to work in an afternoon. The town to know is Saint-Boniface, 79 km out. After that come Maniwaki at 89 km and Saint-Raphaël at 99 km. The county line is nowhere near, so one local authority covers the water.
There is no recorded depth, so work from what you can see. The shallow end warms first and pulls fish in ahead of the rest. Bays and points beat straight shoreline every time on water like this. Open biodiversity records for Outaouais list pumpkinseed, yellow perch, smallmouth bass and rainbow smelt. It is the county picture; the agency list is water-specific. Anyone new to Lac Siom should walk it once before setting up.
Long-term averages put July at about 17°C and January near -17°C. Winter closes the water for a while, and the reopening is worth catching. Hard cover is dependable here; it goes around early May. Averages suggest open water from about early May through to roughly late November. Fishing peaks soon after break-up and again before the cold returns. Expect Lac Siom to follow that timing.
Whether you may fish here is not something records settle. It formed naturally, so levels move with rainfall rather than with a gate. No built facilities appear in mapping around this water. Largemouth respond to soft plastics tight to cover; go weedless where the growth is heavy. Look for a notice board at the entrance. Keep proof of licence with you rather than in the car. For a change of water, Lac Ubac is 1.1 km distant. What applies at Lac Siom may have changed since it was mapped.
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The bites are excellent now
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| 4.3 | 4.1 | 5.5 | 5.7 | 6.5 | 6.7 | 6.7 | 7 | 7.4 | 7.7 | 9.3 | 9.9 | 10.2 | 11 | 10.8 | 11.1 | 10.9 | 8.9 | 9.6 | 9.8 | 9.9 | 9.9 | 10.5 | 12.1 |
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| 87 | 89 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 84 | 78 | 74 | 72 | 71 | 70 | 69 | 71 | 74 | 78 | 81 | 82 | 83 | 86 | 85 |
Sam
AI Fishing Assistant for Lac Siom
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time