Lake J.B. Thomas Water Level & Fishing Conditions
Live lake level and percent full, level history, National Weather Service forecast and solunar fishing times for Lake J.B. Thomas near Vincent, Texas. Updated every few hours.
Water level
-0.01 ft
-0.05 ft
2.64 ft above the median for November 8 (2223.88 ft, records since 2001).
Today's fishing conditions
- New moon today - strongest solunar days of the month
- Moonrise lines up with sunrise
- Barometer falling fast - fish often feed ahead of a front
Best times today
- 6:06 AM – 7:06 AMMinor · Moonrise · at dawn
- 10:57 AM – 12:57 PMMajor · Moon overhead
- 4:41 PM – 5:41 PMMinor · Moonset · at dusk
Lake J.B. Thomas level, last 30 days
How full is Lake J.B. Thomas?
Percent full is based on conservation storage and capacity, as published by the Texas Water Development Board for 2026-11-08.
Lake J.B. Thomas level vs. last year
Lake J.B. Thomas is 6.70 ft lower than a year ago (2233.22 ft).
Lake J.B. Thomas level history (5 years)
Highest since Nov 2021: 2238.49 ft (Nov 22, 2024). Lowest: 2223.63 ft (Aug 29, 2024).
3-day fishing forecast
Mostly Cloudy · 64°/54°F · wind up to 5 mph · rain 8%
New Moon · major 10:57 AM
Partly Cloudy · 66°/52°F · wind up to 5 mph · rain 9%
New Moon · major 11:21 PM
Mostly Sunny · 70°/54°F · wind up to 10 mph · rain 1%
Waxing Crescent · major 12:10 AM
Hourly weather at Lake J.B. Thomas
| Time | Temp | Wind | Rain | Sky |
|---|---|---|---|---|
| Sun 4 PM | 64°F | E 5 mph | 4% | Mostly Cloudy |
| Sun 6 PM | 61°F | SE 5 mph | 5% | Mostly Cloudy |
| Sun 8 PM | 57°F | Calm | 5% | Mostly Cloudy |
| Sun 10 PM | 55°F | Calm | 8% | Mostly Cloudy |
| Mon 12 AM | 54°F | Calm | 7% | Partly Cloudy |
| Mon 2 AM | 54°F | Calm | 7% | Mostly Cloudy |
| Mon 4 AM | 53°F | Calm | 9% | Partly Cloudy |
| Mon 6 AM | 53°F | Calm | 5% | Mostly Sunny |
| Mon 8 AM | 54°F | Calm | 5% | Partly Sunny |
| Mon 10 AM | 60°F | Calm | 4% | Mostly Sunny |
| Mon 12 PM | 64°F | S 5 mph | 2% | Mostly Sunny |
| Mon 2 PM | 66°F | S 5 mph | 2% | Mostly Sunny |
Barometric pressure
Trend: falling fast (-2.7 hPa in ~6 h). Station KBPG.
Water temperature
This USGS gauge does not report water temperature.
Solunar table – next 7 days
| Day | Major | Minor | Sun | Moon |
|---|---|---|---|---|
| Sun Nov 8 | 10:57 AM–12:57 PM | 6:06 AM–7:06 AM 4:41 PM–5:41 PM |
7:08 AM 5:48 PM |
New Moon 0% |
| Mon Nov 9 | 11:21 PM–1:21 AM 11:45 AM–1:45 PM |
7:07 AM–8:07 AM 5:18 PM–6:18 PM |
7:09 AM 5:47 PM |
New Moon 0% |
| Tue Nov 10 | 12:10 AM–2:10 AM 12:35 PM–2:35 PM |
8:07 AM–9:07 AM 6:00 PM–7:00 PM |
7:10 AM 5:46 PM |
Waxing Crescent 2% |
| Wed Nov 11 | 1:01 AM–3:01 AM 1:26 PM–3:26 PM |
9:04 AM–10:04 AM 6:48 PM–7:48 PM |
7:10 AM 5:45 PM |
Waxing Crescent 6% |
| Thu Nov 12 | 1:52 AM–3:52 AM 2:18 PM–4:18 PM |
9:57 AM–10:57 AM 7:40 PM–8:40 PM |
7:11 AM 5:45 PM |
Waxing Crescent 11% |
| Fri Nov 13 | 2:43 AM–4:43 AM 3:08 PM–5:08 PM |
10:44 AM–11:44 AM 8:36 PM–9:36 PM |
7:12 AM 5:44 PM |
Waxing Crescent 17% |
| Sat Nov 14 | 3:33 AM–5:33 AM 3:57 PM–5:57 PM |
11:25 AM–12:25 PM 9:33 PM–10:33 PM |
7:13 AM 5:44 PM |
Waxing Crescent 25% |
About Lake J.B. Thomas: fish species & lake facts
Fish species (TPWD angling ratings)
| Largemouth Bass | Excellent |
| Blue & Flathead Catfish | Fair |
| Channel Catfish | Good |
| Crappie | Good |
| White Bass | Fair |
| Sunfish | Poor |
Lake facts
| Surface area | 7,282 acres |
| Max depth | 61 ft |
| Impounded | 1952 |
| Managed by | Colorado River Municipal Water District |
| Public boat ramps | about 1 |
Source: Texas Parks and Wildlife – Lake J.B. Thomas. Always confirm current bag and length limits in the TPWD Outdoor Annual before you keep fish.
Lake J.B. Thomas FAQ
How full is Lake J.B. Thomas right now?
Lake J.B. Thomas is 20.7% full (as of 2026-11-08, Texas Water Development Board). The lake is 31.48 ft below its conservation pool of 2258.00 ft.
What fish are in Lake J.B. Thomas?
Texas Parks and Wildlife lists Largemouth Bass, Blue & Flathead Catfish, Channel Catfish, Crappie, White Bass, Sunfish at Lake J.B. Thomas. TPWD rates fishing for Largemouth Bass, Channel Catfish, Crappie as good or excellent.
What is the water level of Lake J.B. Thomas today?
Lake J.B. Thomas was at 2226.52 ft (USGS gauge 08118000) today. That is 2.64 ft above the historical median for November 8 (2223.88 ft).
Is Lake J.B. Thomas higher than last year?
Lake J.B. Thomas is 6.70 ft lower than a year ago (2226.52 ft now vs. 2233.22 ft).
When is the best time to fish Lake J.B. Thomas today?
Today's fishing conditions score is 8/10 (Very good). Major solunar periods: 10:57 AM–12:57 PM.
Is the Lake J.B. Thomas level data official?
Yes. Water levels come directly from U.S. Geological Survey gauge 08118000 and are provisional, meaning USGS may revise them. Percent full is published by the Texas Water Development Board. Weather comes from the National Weather Service.
How big and how deep is Lake J.B. Thomas?
Lake J.B. Thomas covers about 7,282 acres and has a maximum depth of about 61 feet, according to Texas Parks and Wildlife.
Lakes near Lake J.B. Thomas
Data: USGS gauge 08118000 (lake surface elevation, provisional). Percent full: Texas Water Development Board. Forecast: National Weather Service for 32.593, -101.138. Elevations are in feet above the gauge datum.