Heavy overcast holding through the day, with a useful NE wind pushing food about with the glass holding level. Start the search at Lac Guerestin along the seam between weed and open water. The strongest window runs from the day. Stay mobile and follow the activity. A properly cold day, so expect slow, deliberate fishing.
The bites are excellent now
Night
Lac Guerestin belongs to Nord-du-Québec, Quebec. The surface lies 198 metres up. The water covers around 3.33 sq km, which puts most of it out of reach from the bank. The bank runs about 32 km in total, split between open shore and sheltered corners. It lies lower than most water we list in Quebec. Kuujjuaq lies 187 km from the water. Saguenay is the closest city, 1163 km away. No boundary runs near, so the local rules hold throughout.
Our records carry no depth, so judge it from the bank. The productive water is a rod length or two out, not a hundred. A natural lake fishes on cover, and cover here means weed and timber. Open biodiversity records for Nord-du-Québec list Arctic charr, brook trout, lake trout and lake whitefish. Records at county level tell you what is around, not what is stocked here. Work Lac Guerestin in sections rather than trying to cover it.
The seasonal spread runs -24°C to 12°C. Cold dominates the year and the fishing works around it. Hard water holds through the cold months, breaking up near early June. Going by climate averages, expect open water from about early June until roughly late October. Spring is short and heavy here; autumn is longer and steadier. Lac Guerestin runs to that rhythm year in and year out.
No access rule appears in what we hold. No dam controls it, and the level follows the season. Mapping shows an empty shoreline: no ramp, no jetty, no marked entry. For the trout, small spinners and a box of nymphs cover both approaches. Rules for this water may differ from the county norm. Some stretches are reserved and marked as such on the ground. Lac Viennaux, 31 km away, makes the obvious fallback. Nothing here settles the position at Lac Guerestin for certain.
82%
The bites are excellent 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 |
| 28.6 | 27.3 | 26.8 | 25.8 | 24.8 | 24.5 | 24.2 | 23.8 | 22.1 | 20.7 | 20.4 | 19.5 | 19.2 | 17.6 | 16.8 | 14.8 | 13.7 | 13.1 | 11.8 | 11.1 | 10.9 | 9.9 | 8.8 | 7.8 |
| -2° | -2° | -3° | -3° | -3° | -3° | -3° | -3° | -3° | -2° | -2° | -2° | -2° | -2° | -2° | -2° | -2° | -3° | -3° | -3° | -3° | -4° | -4° | -4° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 | 102 |
| 92 | 94 | 94 | 95 | 94 | 95 | 94 | 94 | 93 | 92 | 91 | 90 | 89 | 88 | 87 | 87 | 87 | 87 | 88 | 88 | 89 | 90 | 91 | 92 |
Sam
AI Fishing Assistant for Lac Guerestin
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Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time