Kilby Lake
Marquette County, Wisconsin · WBIC 104200
Size
46 acres
Max depth
29 ft
DNR lake type
Simple, Warm, dark water color
Water clarity
13.8 ft
Clear, measured May 1997
A warm-water lake type: the DNR groups it with lakes that warm up through summer. 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 1984), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
13.8 ft Secchi depthClearOlder reading
Last measured May 25, 1997. 29 readings on record, 1994 to 1997.
Nothing has been measured in the last 5 years, so this may not match the lake today.
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 Kilby Lake - Deep Hole. Checked Oct 23, 2026.
Water temperature
A typical year Modeled estimate
- Ice goes outabout Apr 7 (Apr 1 to Apr 16)
- Surface reaches 48°Fabout Apr 20 (Apr 13 to Apr 26)
- Surface reaches 64°Fabout May 11 (May 8 to May 20)
- June surface74°F, usually 73 to 76°F
- July surface80°F, usually 79 to 81°F
- August surface76°F, usually 74 to 78°F
Forms a warm top layer around Apr 19, lasting about 168 days.
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.
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.
Boat landings
- 1Kilby Lake AccessBoat ramp · Gravel surface · Township
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Marquette County
- Moon Lake0.6 miles away
- Lake Montello0.8 miles away
- Clearwater Lake1.4 miles away
- Spring Lake2.6 miles away
- Metcalf Lake3.1 miles away
- Williams Lake3.2 miles away
Where this comes from
- Size, depth and lake typeWisconsin DNR lake classifications, checked Oct 23, 2026
- OutlineWisconsin DNR 24K hydrography, 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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