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Texas›Bexar County›Olmos Reservoir

Olmos Reservoir

Limited data
--°FLoading forecastWind pendingHumidity pendingPending fishingForecast
Olmos ReservoirBexar County, TX

LakeList assistant

Plan your lake day

Fishing spots, food, lodging, marinas, and rentals around Olmos Reservoir.

Start here

Fishing

Fishing at Olmos Reservoir

Angler catch reportsWeather windows

Angler reports · Fishbrain

What anglers catch here

Anglers have logged 292 catches on Olmos Reservoir via Fishbrain — 2 in the last 30 days, most recently on Jul 10, 2026.

Most-reported species

  • Green sunfish123 reports · peaks October
  • Bluegill33 reports · peaks September
  • Largemouth bass30 reports · peaks November
  • Rio grande cichlid25 reports · peaks September
  • Hybrid sunfish reported as “Greengill hybrid”24 reports · peaks September
  • Longear sunfish17 reports · peaks October
Show 2 more species
  • Plains longear sunfish13 reports
  • Redbreast sunfish6 reports

21 of the 292 logged catches didn’t name a species and aren’t listed above.

Seasonality

All fish
Jan
Feb
15Mar
9Apr
6May
Jun
Jul
33Aug
86Sep
62Oct
36Nov
5Dec
Monthly reports, all fish: Jan 0 · Feb 0 · Mar 15 · Apr 9 · May 6 · Jun 0 · Jul 0 · Aug 33 · Sep 86 · Oct 62 · Nov 36 · Dec 5.

Of the 292 logged catches, 252 carry a month and 252 carry a year; the charts cover those.

2025 had the most reports (225).

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

Olmos Reservoir water temperature today

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

85°FPeak summer

Seasonal estimate. Checking current National Weather Service air temperatures…

Warmest water of the year. Fish hold deeper or feed in low light; swimming and watersports are at their best.

Warmest monthJuly · ~87°F
Freezing surfaceRarely freezes
Model depth inputDepth unknown
Monthly Olmos Reservoir 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
29.4733, -98.4739latitude, 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 Olmos Reservoir?

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

Is there a free depth map of Olmos Reservoir?

Not yet. No public depth map source is linked for Olmos Reservoir. 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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