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New York›Washington County›Cossayuna Lake

Cossayuna Lake

Limited data
--°FLoading forecastWind pendingHumidity pendingPending fishingForecast
Cossayuna LakeWashington County, NY

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Plan your lake day

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

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Fishing

Fishing at Cossayuna Lake

Angler catch reportsWeather windows

Angler reports · Fishbrain

What anglers catch here

Anglers have logged 545 catches on Cossayuna Lake via Fishbrain — 26 in the last 30 days, most recently on Jul 28, 2026.

Fishbrain waterbody location: 43.2047, -73.4203

Most-reported species

  • Largemouth bass341 reports · peaks July
  • Bluegill32 reports · peaks May
  • Northern pike32 reports · peaks June
  • Yellow perch32 reports · peaks December
  • Pumpkinseed22 reports · peaks May
  • Rock bass16 reports · peaks May
Show 5 more species
  • Smallmouth bass16 reports
  • Black crappie11 reports
  • Black bullhead5 reports
  • Muskellunge4 reports
  • Yellow bullhead3 reports

31 of the 545 logged catches didn’t name a species and aren’t listed above.

Seasonality

All fish
4Jan
5Feb
3Mar
6Apr
81May
102Jun
162Jul
72Aug
17Sep
7Oct
Nov
22Dec
Monthly reports, all fish: Jan 4 · Feb 5 · Mar 3 · Apr 6 · May 81 · Jun 102 · Jul 162 · Aug 72 · Sep 17 · Oct 7 · Nov 0 · Dec 22.

Of the 545 logged catches, 481 carry a month and 475 carry a year; the charts cover those.

2020 had the most reports (106).

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

Cossayuna Lake water temperature today

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

71°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 · ~76°F
Freezing surfaceJanuary – March
Model depth inputDepth unknown
Monthly Cossayuna 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
43.2063, -73.4230latitude, 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 Cossayuna Lake?

No verified maximum depth is on record for Cossayuna Lake yet, and no public depth map source is linked.

Is there a free depth map of Cossayuna Lake?

Not yet. No public depth map source is linked for Cossayuna Lake. LakeList adds converted DNR depth maps as new sources pass review.

Trust and freshness

Where this lake data comes from

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

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