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Minnesota›Beltrami County›Blackduck Lake

Blackduck Lake

Available dataInteractive depth contours
--°FLoading forecastWind pendingHumidity pendingPending fishingForecast
Blackduck LakeBeltrami County, MN
Contours load with map
Interactive depth contours10-foot typical interval · Official Minnesota DNR survey bathymetry · Not for navigation
Source: Minnesota DNRhigh confidence · QA passed · Select a contour to inspect its mapped depthOfficial Minnesota DNR lake survey: measured depth contours at a 10-ft interval (deepest mapped contour 20 ft), digitized by the DNR from field bathymetric surveys and reprojected to WGS84. Bathymetry © Minnesota DNR. Not for navigation.

LakeList assistant

Plan your lake day

Fishing spots, food, lodging, marinas, and rentals around Blackduck Lake.

Start here

Fishing

Fishing at Blackduck Lake

8 notable speciesAngler catch reportsWeather windows

Fishery

Notable species

black crappiebluegillhybrid sunfishlargemouth bassnorthern pikepumpkinseedwalleyeyellow perch
Best walleye lakes in Minnesota →Best panfish lakes in Minnesota →Best largemouth bass lakes in Minnesota →Best northern pike lakes in Minnesota →

Angler reports · Fishbrain

What anglers catch here

Anglers have logged 158 catches on Blackduck Lake via Fishbrain — none in the last 30 days.

Latest reported catch: Jun 9, 2026

Most-reported species

  • Northern pike42 reports · peaks June
  • Walleye30 reports · peaks August
  • Yellow perch24 reports · peaks August
  • Black crappie21 reports · peaks August
  • Largemouth bass13 reports
  • Bluegill8 reports
Show 2 more species
  • Rock bass5 reports
  • Freshwater drum3 reports

12 of the 158 logged catches didn’t name a species and aren’t listed above.

Seasonality

All fish
Jan
Feb
Mar
Apr
3May
31Jun
22Jul
59Aug
Sep
Oct
Nov
Dec
Monthly reports, all fish: Jan 0 · Feb 0 · Mar 0 · Apr 0 · May 3 · Jun 31 · Jul 22 · Aug 59 · Sep 0 · Oct 0 · Nov 0 · Dec 0.

Of the 158 logged catches, 115 carry a month and 109 carry a year; the charts cover those.

2022 had the most reports (40).

Counts reflect reporting activity, not fish populations. Waterbody location is provider-level; exact spots and angler details aren’t shown.

Fishery details for this lakeExplore this area on Fishbrain

NWS weather

Weather windows

Weather-based planning from the National Weather Service hourly forecast near this lake — not a catch forecast.

Loading
Loading latest forecast…

Checking wind, precipitation, and near-term weather windows.

Water temperature

Blackduck Lake water temperature today

Modeled surface-temperature estimate built from seasonal climate, lake depth, and live National Weather Service air temperatures near this lake.

67°FWarm

Seasonal estimate. Checking current National Weather Service air temperatures…

Comfortable summer pattern. Bass and panfish are active; early and late hours beat the midday heat.

Warmest monthAugust · ~73°F
Freezing surfaceDecember – April
Model depth input28 ft max depth
Monthly Blackduck Lake water temperatures and freeze-up FAQ →

Estimates are modeled, not measured. Actual temperatures vary with depth, wind mixing, and recent weather — verify conditions before swimming, boating, or heading onto ice.

2,711.22surface acres
28max depth feet
0public access points
47.7326, -94.6339latitude, longitude

Access

Public access points

No mapped access points yet

LakeList has not matched a public launch, park, or shoreline access point for this lake yet.

Nearby

Trip-planning places

No nearby trip-planning places yet

Depth FAQ

How deep is Blackduck Lake?

Blackduck Lake is 28 feet deep at its deepest point, according to public agency records.

Is there a free depth map of Blackduck Lake?

Yes. LakeList publishes a free interactive depth contour map of Blackduck Lake at a typical 10-foot interval, with an optional 3D underwater view, derived from Minnesota DNR survey data.

Where does the Blackduck Lake depth map come from?

The interactive depth contours are derived from Minnesota DNR. Each contour set passes a visual QA review against the source document before it is published. The depths are from an official Minnesota DNR survey (measured bathymetric contours); not for navigation.

View the full Blackduck Lake depth map →

Trust and freshness

Where this lake data comes from

Minnesota DNR LakeFindername, coordinates, county, source identifiers
LakeList record updated 2026-07-24T19:35:26.063480+00:00

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