Mud Lake

Marinette County, Wisconsin · WBIC 424900

The DNR lists this lake's watershed (Peshtigo Brook) as suspect or infected with VHS, a fish virus. The listing covers the watershed, not a test of this lake. About VHS

This lake has fishing rules that differ from the standard ones for its area. Check the official rules before you fish. Official regulations

Size

10 acres

Max depth

5 ft

DNR lake type

Simple, Harsh

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

Drawn from the DNR's 24K hydrography (surveyed 1973), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.

Water temperature

A typical year Modeled estimate

  • Ice goes outabout Apr 4 (Mar 31 to Apr 13)
  • Surface reaches 48°Fabout Apr 17 (Apr 7 to Apr 24)
  • Surface reaches 64°Fabout May 11 (May 5 to May 23)
  • June surface73°F, usually 71 to 74°F
  • July surface79°F, usually 77 to 79°F
  • August surface75°F, usually 73 to 76°F

Forms a warm top layer around May 1, lasting about 99 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

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Forecast: National Weather Service (no endorsement implied). Sunrise, sunset and moon phase are calculated. The moon phase can be a day off.

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More lakes in Marinette County

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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
  • 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

See data sources for what each source covers, and about for how the numbers are matched to lakes.

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