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Big Lake
Polk County, Wisconsin · WBIC 2615900
245Acres
24ftMax depth
1Launches
LowClarity
Depth in feet
✕ Deepest spot, 24 ftWisconsin DNR survey map. 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 SheetBig Lake · back
Rules, log & nearest baitWrite it down. Post it later.
Rules on this lake DNR · checked 2026-10-08
| Fish | Rule | |
|---|---|---|
 Walleye | 15" min · keep none 20–24" · 1 over 24" · 3/day | Open |
 Northern pike | No size limit · 5/day | Open |
 Bass | 14" min · 5/day | Open |
 Panfish | No size limit · 25/day | Open |
| Sturgeon | No fishing | Closed |
License: Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What Big is best for out of 10
Bluegill6.5
Perch6.5
Crappie6.5
Largemouth6.5Walleye5.6Northern pike4.0Trip 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 Big board. Post your catch and the water temp. Your spot stays hidden unless you choose to share it.
lakesheet.com/lakes/polk/big-lake-2615900/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 muskies. See the DNR fish consumption guide.
EmergencyCall 911. Say "Big Lake, Polk County" and the nearest launch (Access at Highway K).
Fishing more than one day?The Big Lake Report: where, when and how for each fish you pick, every day of your trip. $19.
lakesheet.com/reportsNearest bait shop from Access at Highway KMorks Big Lake Store1838 60th Ave, Osceola, WI 54020 · (715) 294-23420 mi · about 1 min drive
- Head southeast on 180th St