Union Lake is a fishing water in Oakland County, Michigan (Lake Erie management unit).
Fishing pressure is our estimate of how busy Union Lake (Oakland County) is likely to be today. It looks at the day of the week, the time of year, and whether the lake has been stocked recently, because fresh stockings tend to draw anglers. Lower pressure usually means more room to work the water for black crappie, bluegill and brown trout.
Very little activity expected. A great time to have the lake to yourself.
Estimate based on day of week, season, and recent stocking. Not a live crowd count.
Combined bite activity across all 40 species in this lake.
| Species | Min size | Daily limit |
|---|---|---|
| Black Crappie | None | 25 sunfish combined |
| Bluegill | None | 25 sunfish combined |
| Brown Trout | 8" (most inland lakes) | 5 trout, max 3 over 15" |
| Channel Catfish | 12" | 10 |
| Largemouth Bass | 14" | 5 bass combined |
| Muskellunge | 42" | 1 per license year (registration required) |
| Northern Pike | 24" | 2 |
| Rainbow Trout | 8" (most inland lakes) | 5 trout, max 3 over 15" |
| Smallmouth Bass | 14" | 5 bass combined |
| Splake | 8" (most inland lakes) | 5 trout, max 3 over 15" |
| Walleye | 15" | 5 |
| Yellow Perch | None | 25 |
| Redear Sunfish | None | 25 sunfish combined |
* Records shown are from our database. For the most current data, visit the Michigan DNR directly.
* Forecast is based on historical DNR data and is not a guarantee of future stocking.
2 public access sites are listed for Union Lake. Select a launch for details. Details come from the Michigan DNR boating access data and can change, so check posted signs on site. See all Oakland County boat launches.