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Lake Butte des Morts
Winnebago County, Wisconsin · WBIC 139900
8,581Acres
9ftMax depth
3Launches
LowClarity
Depth in feet
✕ Deepest spot, 9 ftDNR survey map, sheet 1 of 2; 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 Butte des Morts · back
Rules, log & local dealsWrite it down. Post it later.
Rules on this lake DNR · checked 2026-10-07
| Fish | Rule | |
|---|---|---|
 Walleye | No minimum length limit and the daily bag is 3, only one of which may be a sauger or hybrid | Open |
 Musky | 50" min · 1/day | Open |
 Northern pike | 26" min · 2/day | Open |
 Bass | 14" min · 5/day | Open |
 Panfish | No size limit · 25/day | Open |
| Sturgeon | No fishing | Closed |
| Catfish | See specific species regulations in this group | Open |
License: Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What Butte des Morts is best for out of 10
Bluegill8.4
Perch8.4
Crappie8.4Northern pike8.4Sturgeon8.4
Catfish8.4
Largemouth6.9Musky5.4Walleye5.0Smallmouth4.4Trip 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 Butte des Morts board. Post your catch and the water temp. Your spot stays hidden unless you choose to share it.
lakesheet.com/lakes/winnebago/lake-butte-des-morts-139900/Clean, drain, dry9 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 muskies. See the DNR fish consumption guide.
EmergencyCall 911. Say "Lake Butte des Morts, Winnebago County" and the nearest launch (Town of Omro - County Launch).
Fishing more than one day?The Lake Butte des Morts Report: where, when and how for each fish you pick, every day of your trip. $19.
lakesheet.com/reports