Lake Sheetlakesheet.com · free
lakesheet.com/lakes/columbia/lake-wisconsin-1260600/
Lake Wisconsin
Sauk & Columbia counties, Wisconsin · WBIC 1260600
7,197Acres
24ftMax depth
15Launches
LowClarity
Depth in feet
✕ Deepest spot, 24 ftDNR survey map, sheet 1 of 4; all sheets on the lake page. Not for navigation.
Best fishing times All fish
GoodFairSlow
Best windows today, all fish
Times by species available in Premium · lakesheet.com/premium
Wind & weather National Weather Service
Forecast not loaded. Check weather.gov before you go.
Sources: Wisconsin DNR (lake facts, rules, survey map), National Weather Service. Sun and moon computed for the lake. Best times are a model of light and moon, not a promise. Lake Sheet is not affiliated with the DNR.
Lake SheetLake Wisconsin · back
Rules, log & local dealsWrite it down. Post it later.
Rules on this lake DNR · checked 2026-10-07
| Fish | Rule | |
|---|---|---|
 Walleye | 15" min · keep none 20–28" · 1 over 28" · 3/day | Open |
 Northern pike | 26" min · 2/day | Open |
 Bass | 14" min · 5/day | Open |
 Panfish | No size limit · 25/day | Open |
| Sturgeon | All sturgeon taken with hook and line must be tagged and registered. The minimum length is 60" and season limit is 1 fish | Open |
| Catfish | No size limit · 10/day | Open |
License: Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What Wisconsin is best for out of 10
Walleye7.5
Largemouth6.9Smallmouth6.9Northern pike6.9Bluegill4.4
Perch4.4
Crappie4.4Trout4.4
Catfish4.4
Trip log Date ____ / ____ Water temp ____°F Wind ______
| Time | Spot / depth | Bait | Fish | Length | Kept |
|---|---|---|---|---|---|
Measure it Print at 100% and this ruler is true to size
inches
Caught one? Post it.
Scan with your phone camera to open the Wisconsin board. Post your catch and the water temp. Your spot stays hidden unless you choose to share it.
lakesheet.com/lakes/columbia/lake-wisconsin-1260600/Clean, drain, dry4 invasive species here. Remove plants and animals, drain all water, never move live fish or bait.
Eating adviceHealth advice, not a catch limit: eat no more than 1 meal a month of carp, crappies, lake sturgeon (less than 70"), muskies, smallmouth bass, walleye, white bass. See the DNR fish consumption guide.
EmergencyCall 911. Say "Lake Wisconsin, Columbia County" and the nearest launch (Access - Corning Street-Town of Dekorra).
Fishing more than one day?The Lake Wisconsin Report: where, when and how for each fish you pick, every day of your trip. $19.
lakesheet.com/reports