A grey, even sky over the water, with a decent SSE wind working the banks and pressure on the rise. On Grandaddy Lake, work the first drop-off and weed lines first. Plan around the stretch from night into morning. Keep moving until you find them. Cold air keeps the water sluggish; scale everything down.
The bites are average now
Night
Morning
Afternoon
Evening
Grandaddy Lake sits within Wasatch County in Utah. The ground round it is mixed forest. Surface area is around 168 acres, which gives you real water without needing a boat. Shoreline comes to about 2.7 miles, small enough to learn in a day. Few waters listed in Wasatch County are bigger. Francis is the closest town at 25 miles. Kamas is 25 miles away, with Oakley at 27 miles. There is no boundary nearby to worry about.
No published figure covers depth, so learn it as you fish. Where the bottom changes texture, fish gather; find that line. The shallow end warms first and pulls fish in ahead of the rest. Species logged across Wasatch County include brown trout, rainbow trout, brook trout and black-spotted cutthroat trout. Several of these carry legal protection or closed seasons; the rulebook comes before the rod. Read Grandaddy Lake for ten minutes before the first cast goes out.
Between December at about 18°F and July at about 55°F, the water has a wide range to work through. Cold locks it up for a good stretch each year. Expect a solid lid for months and a thaw around early June. Climate averages put the opening at about early June and the closing near mid November. May into June fishes hardest, and September gives a second good stretch before the lid returns. Keep it in mind when planning a trip to Grandaddy Lake.
The rules here are undocumented as far as public sources go. It formed naturally, so levels move with rainfall rather than with a gate. Nothing formal is recorded here: no ramp, no car park, no marked path. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Ask in the nearest town if you are unsure. A polite question at the farm gate opens more banks than anything else. Lodgepole Lake, 0.6 miles away, makes the obvious fallback. Check the position at Grandaddy Lake before loading the car.
71%
The bites are average 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 |
| 5.9 | 6 | 5.6 | 5.8 | 6 | 6 | 5.7 | 6.3 | 6.8 | 8.1 | 11.2 | 12.4 | 13.7 | 13.8 | 14.1 | 12.7 | 12.1 | 10.6 | 11 | 10.2 | 10.4 | 9.4 | 9.3 | 9.3 |
| 28° | 28° | 27° | 27° | 26° | 25° | 25° | 25° | 26° | 29° | 31° | 34° | 35° | 35° | 34° | 34° | 33° | 32° | 31° | 30° | 29° | 28° | 28° | 29° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 29.95 | 29.95 | 29.95 | 29.94 | 29.92 | 29.93 | 29.94 | 29.93 | 29.94 | 29.92 | 29.91 | 29.88 | 29.84 | 29.8 | 29.77 | 29.76 | 29.76 | 29.76 | 29.75 | 29.75 | 29.75 | 29.76 | 29.74 | 29.73 |
| 53 | 54 | 56 | 58 | 61 | 64 | 67 | 70 | 71 | 72 | 71 | 68 | 65 | 65 | 67 | 70 | 72 | 76 | 78 | 82 | 83 | 85 | 85 | 85 |
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Sam
AI Fishing Assistant for Grandaddy Lake