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New York›Cayuga County›Owasco Lake

Owasco Lake

Limited dataInteractive depth contours
--°FLoading forecastWind pendingHumidity pendingPending fishingForecast
Owasco LakeCayuga County, NY
Contours load with map
Interactive depth contours10-foot typical interval · Sonar-derived depth (C-MAP Genesis) · Gaps interpolated · Not for navigation
Source: C-MAP Genesis community sonar (derived)high confidence · QA passed · Select a contour to inspect its mapped depthDepths decoded from C-MAP Genesis Social Map community sonar recordings (used with permission), covering 21% of the lake. Small gaps between recordings are smoothly connected; larger unrecorded areas follow the lake's depth model calibrated to the DEC-documented 177-ft maximum depth. More accurate than a pure model, but still an estimate. Not for navigation.

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Plan your lake day

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

Start here

Fishing

Fishing at Owasco Lake

Angler catch reportsWeather windows

Angler reports · Fishbrain

What anglers catch here

Anglers have logged 580 catches on Owasco Lake via Fishbrain — 41 in the last 30 days, most recently on Jul 29, 2026.

Fishbrain waterbody location: 42.8286, -76.5125

Most-reported species

  • Rock bass124 reports · peaks July
  • Smallmouth bass114 reports · peaks July
  • Yellow perch99 reports · peaks May
  • Lake char46 reports · peaks September
  • Largemouth bass29 reports · peaks June
  • Rainbow trout25 reports · peaks September
Show 8 more species
  • Northern pike22 reports · peaks May
  • Brown trout18 reports
  • Pumpkinseed16 reports · peaks May
  • Walleye10 reports
  • Brown bullhead7 reports
  • Yellow bullhead7 reports
  • Black bullhead4 reports
  • Steelhead3 reports

56 of the 580 logged catches didn’t name a species and aren’t listed above.

Seasonality

All fish
Jan
Feb
6Mar
3Apr
86May
108Jun
170Jul
79Aug
50Sep
6Oct
4Nov
Dec
Monthly reports, all fish: Jan 0 · Feb 0 · Mar 6 · Apr 3 · May 86 · Jun 108 · Jul 170 · Aug 79 · Sep 50 · Oct 6 · Nov 4 · Dec 0.

Of the 580 logged catches, 512 carry a month and 483 carry a year; the charts cover those.

2025 had the most reports (84).

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

Owasco Lake water temperature today

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

72°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 · ~77°F
Freezing surfaceJanuary – March
Model depth inputDepth unknown
Monthly Owasco 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.

Unknownsurface acres
Unknownmax depth feet
0public access points
42.8342, -76.5101latitude, 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 Owasco Lake?

Owasco Lake has surveyed depth contours down to 177 feet, but no separately verified maximum depth is on record yet.

Is there a free depth map of Owasco Lake?

Yes. LakeList publishes a free interactive depth contour map of Owasco Lake at a typical 10-foot interval, with an optional 3D underwater view, derived from C-MAP Genesis community sonar (derived) survey data.

Where does the Owasco Lake depth map come from?

The interactive depth contours are derived from C-MAP Genesis community sonar (derived). Each contour set passes a visual QA review against the source document before it is published. The depths are derived from community sonar recordings (C-MAP Genesis Social Map, used with permission), with gaps between recordings interpolated; not for navigation.

View the full Owasco Lake depth map →

Trust and freshness

Where this lake data comes from

USGS GNIS Domestic Namesname, coordinates, county, source identifiers
LakeList record updated 2026-05-23

Keep exploring

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