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Guadalupe River (Texas) — a popular fishing spot. About 698 km long. Flows into San Antonio Bay. Close by — Victoria and New Braunfels. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.
Clear: 75–99 °F
Choose a fish to see its hourly forecast, catches and BiteGuide.
Recorded 14 catches here. Most commonly caught: Largemouth bass, Rainbow trout, Spotted bass. Peak season: year-round.
BiteGuideFrom anglers’ reports
This is a summary of anglers' reports, not a proven cause of the bite: conditions lining up does not mean they drove it.
vertical axis — number of catches
| Value | Catches | Share |
|---|---|---|
| Largemouth bass | 11 | 79% |
| Rainbow trout | 2 | 14% |
| Spotted bass | 1 | 7% |
Wednesday, September 2
In the fish list, this icon marks species recorded here by GBIF. Unmarked species may still occur in the waterbody.
The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably.
Best time — 07:00–09:00 (dawn bite) and 20:00–22:00 (dusk bite).
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.
In clear water, natural colors work best: small jig or minnow bait.
It's a hot day — a hat, sunglasses, and plenty of water are a must.
An average day — best chances during peak windows.
The computed water temperature is around 85 °F — warmer than the 57–75 °F comfort range for Black crappie: in the heat it drops deeper and feeds less often.
Black crappie works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is dropping 0.03 inHg over the day — fish are usually more active ahead of a weather change.
One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.
September is an active season for Black crappie here.
These are the same values the bite curve above was computed from. How the forecast works
Clear · feels like +95°
The day is 2 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.
What are solunar periods?Measured river conditions are available for Guadalupe River: current gauge height, streamflow, and water temperature when reported by the source.
USGS gauge Guadalupe Rv at CR 143 nr Gonzales, TX, 3 mi away · measured 2026-09-02 13:30 · data source · provisional data, subject to revision