Red Cedar Lake
Jefferson County, Wisconsin · WBIC 813100
This lake has fishing rules that differ from the standard ones for its area. Check the official rules before you fish. Official regulations
Size
359 acres
Max depth
6 ft
DNR lake type
Simple, Harsh
Water clarity
4 ft
Low, measured Jul 2026
A lake type the DNR marks as having harsh conditions for fish. This describes the lake type in general, not this lake in particular.
Outline
Numbered dots are boat landings; tap one for directions. The list below has the same numbers. Drawn from the DNR's 24K hydrography (surveyed 1971), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
4 ft Secchi depthLow
Last measured Jul 13, 2026. 80 readings on record, 2004 to 2026.
Typical summer clarity (June to September): 4.3 ft, low, from 34 readings (2012 to 2026).
Secchi depth is how far down a white disk stays visible. A bigger number means clearer water. Clear means a Secchi depth of 10 feet or more, moderate 5 to 10 feet, low under 5 feet.
Wisconsin DNR water monitoring (volunteer and staff), via the Water Quality Portal; station RED CEDAR LAKE - DEEP HOLE. Checked Oct 23, 2026.
Water temperature
Last measured Aug 19, 2025, too long ago to show as the current temperature.
A typical year Modeled estimate
- Ice goes outabout Apr 1 (Mar 26 to Apr 9)
- Surface reaches 48°Fabout Apr 10 (Apr 1 to Apr 18)
- Surface reaches 64°Fabout May 11 (May 2 to May 22)
- June surface74°F, usually 73 to 75°F
- July surface80°F, usually 77 to 81°F
- August surface76°F, usually 73 to 78°F
Mixes regularly through the summer instead of forming a warm top layer.
A computer model of this lake's typical weather and water, built from 15 years, 2005 to 2019. Ranges show the middle half of years. The model was not calibrated against measured temperatures for this lake. It is an estimate, not a measurement.
Measured: Wisconsin DNR via the Water Quality Portal (checked Oct 23, 2026). Modeled: U.S. Geological Survey lake temperature data release (doi:10.5066/P9CA6XP8).
Today at the lake
Forecast: National Weather Service (no endorsement implied). Sunrise, sunset and moon phase are calculated. The moon phase can be a day off.
Stocking history
- Bluegilllast stocked 2017 (adult); stocked in 2 years since 2010
- Yellow Perchlast stocked 2016 (large fingerling); stocked in 3 years since 2010
- Fathead Minnowlast stocked 2015 (adult and small fingerling); stocked in 2 years since 2010
- Largemouth Basslast stocked 2015 (large fingerling); stocked in 2 years since 2010
- Northern Pikelast stocked 2014 (small fingerling); stocked in 1 year since 2010
Stocking shows what was added to the lake, not what is in it now.
Wisconsin DNR annual fish stocking summary. Checked Oct 23, 2026.
Boat landings
- 1Red Cedar Lake AccessBoat ramp · Gravel surface · State(dnr)
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Jefferson County
Where this comes from
- Size, depth and lake typeWisconsin DNR lake classifications, checked Oct 23, 2026
- OutlineWisconsin DNR 24K hydrography, checked Oct 23, 2026
- Stocking historyWisconsin DNR annual fish stocking summary, checked Oct 23, 2026
- Regulations linkWisconsin DNR fishing regulations (linked, not restated), checked Oct 23, 2026
- Boat landingsWisconsin DNR public boat access sites, checked Oct 23, 2026
- Water clarityWisconsin DNR water monitoring, via the Water Quality Portal, checked Oct 23, 2026
- Typical-year temperatureU.S. Geological Survey lake temperature model (modeled estimate), checked Oct 23, 2026
- VHS statusWisconsin DNR VHS status by watershed, checked Oct 24, 2026
- Depth map linkWisconsin DNR lake maps list, checked Oct 24, 2026
See data sources for what each source covers, and about for how the numbers are matched to lakes.
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