Hard light and clear air over the water, with flat calm through the day and pressure sitting still. Fish at Split Rock Lake should hold close to inflow corners and shaded margins. The useful hours run afternoon into evening. Trust the forecast and stay out through the window. A hard-frost feel to the day; keep expectations modest.
The bites are average now
Night
Split Rock Lake is set in Aitkin County, Minnesota. Height above sea level is 1,243 feet. Around 26 acres of surface means several distinct areas to work. Some 20 miles away sits Moose Lake, the nearest settlement. Further out sit Sandstone (24 miles) and Aitkin (27 miles). The boundary is near enough that local access rules are worth double-checking.
Depth is unmeasured here, so let the shoreline guide you. Where the bottom changes texture, fish gather; find that line. This is a lake, so the margins and the first drop matter most. Public occurrence data for Aitkin County names northern pike, bluegill, yellow perch, black crappie and largemouth bass. Records at this level tell you what is in the area. Split Rock Lake repays a walk before the first cast.
Between January at about 7°F and July at about 67°F, the water has a wide range to work through. The middle months are generous; the ends are demanding. Count on hard cover from midwinter, and open water from mid April. The lid tends to go about mid April and return around late November. The first weeks of open water and the last are the ones to plan for. The season on Split Rock Lake rarely departs from it.
Nothing we hold confirms whether access is permitted. Nothing built is recorded close to the bank here. Bass water: a Texas-rigged worm near cover, a spinnerbait when you need to cover ground. Ask in the nearest town if you are unsure. Close seasons apply to some species and not others. Porcupine Lake at 7.4 miles is the sensible second choice. Ask locally about Split Rock Lake if anything is unclear.
70%
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 |
| 0.5 | 1.7 | 0.9 | 2.4 | 0.6 | 0.9 | 0.9 | 0.8 | 1.2 | 2.1 | 3.1 | 3.3 | 3.2 | 3.2 | 3.2 | 3.3 | 2.7 | 4.2 | 4.3 | 3.9 | 3.8 | 4 | 3.9 | 3.8 |
| 19° | 19° | 19° | 20° | 18° | 17° | 16° | 16° | 19° | 26° | 30° | 33° | 37° | 40° | 41° | 40° | 38° | 33° | 30° | 29° | 28° | 27° | 26° | 26° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30.26 | 30.25 | 30.25 | 30.25 | 30.26 | 30.27 | 30.28 | 30.29 | 30.29 | 30.27 | 30.28 | 30.27 | 30.27 | 30.27 | 30.26 | 30.25 | 30.25 | 30.28 | 30.29 | 30.3 | 30.3 | 30.31 | 30.32 | 30.32 |
| 86 | 86 | 85 | 84 | 86 | 88 | 86 | 86 | 86 | 77 | 68 | 60 | 53 | 50 | 48 | 48 | 54 | 64 | 70 | 79 | 82 | 84 | 85 | 86 |
Sam
AI Fishing Assistant for Split Rock Lake
Morning
Afternoon
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time