Opal Lake is a fishing water in Otsego County, Michigan (Northern Lake Huron management unit).
Fishing pressure is our estimate of how busy Opal Lake 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 largemouth bass, rainbow trout and smallmouth bass.
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 34 species in this lake.
| Species | Min size | Daily limit |
|---|---|---|
| Largemouth Bass | 14" | 5 bass combined |
| Rainbow Trout | 8" (most inland lakes) | 5 trout, max 3 over 15" |
| Smallmouth Bass | 14" | 5 bass combined |
| Walleye | 15" | 5 |
| Rock Bass | 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.
One public access site is listed for Opal 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 Otsego County boat launches.