Grimm Lake in Marquette County: How and When to Fish It

• Overview

  Set in Marquette County, Grimm Lake is a Michigan water. Elevation runs to 1,115 feet. At roughly 9 acres, the whole thing is within casting reach of a single walk. K. I. Sawyer Air Force Base is the closest place, 5 miles off. The big place round here is Green Bay, 128 miles distant. No boundary runs near, so the county rules hold throughout.

• Where to Fish on Grimm Lake

  Open data we checked carries no depth for this water. Still water like this holds fish on the edges rather than out in the open. A soft bed grows weed late into autumn, which keeps fish shallow. County-wide records name white sucker, yellow perch, rainbow smelt and smallmouth bass. The county list is broader than any single water. The shape of Grimm Lake decides where the fish sit.

• Seasonal Patterns

  In an average year July sits at 65°F and January at 15°F. The middle months are generous; the ends are demanding. The lid usually sets by midwinter and gives way around mid April. On the long-run averages the water opens up around mid April and starts locking again about late November. Just after the ice goes and just before it returns, the fishing lifts. Expect Grimm Lake to follow that timing.

• Tackle & Baits

  The paperwork position is blank for this one. Mapping records no facilities at all near this water. For the bass here, soft plastics worked slow along cover and a spinnerbait for searching do most of the work. Check whether a boat is allowed before you tow one. Some water is controlled locally without a sign saying so. The nearest alternative is MacGregor Lake, 0.6 miles out. Nothing here settles the position at Grimm Lake for certain.