Is Lake San Antonio low right now?
Lake San Antonio was at 737.97 ft on October 9, 2026. That is 17.55 ft below the typical level for October 9 — lower than in 9 of 10 past years. Over the past week the lake has been falling about 0.06 ft a day.
Lake San Antonio on Oct 9 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change |
|---|---|---|
| Oct 9 | 737.97 | −0.01 |
| Oct 8 | 737.98 | −0.02 |
| Oct 7 | 738.00 | −0.02 |
| Oct 6 | 738.02 | −0.06 |
| Oct 5 | 738.08 | −0.13 |
| Oct 4 | 738.21 | −0.10 |
| Oct 3 | 738.31 | −0.11 |
| Oct 2 | 738.42 | −0.10 |
| Oct 1 | 738.52 | −0.11 |
| Sep 30 | 738.63 | −0.12 |
| Sep 29 | 738.75 | −0.11 |
| Sep 28 | 738.86 | −0.14 |
| Sep 27 | 739.00 | −0.13 |
| Sep 26 | 739.13 | −0.13 |
About Lake San Antonio
- 10-year range
- 730.1 ft (February 8, 2023) to 769.1 ft (May 18, 2024)
- Data
- California Data Exchange Center (DWR) — station ATN
- Datum
- ft (CDEC; typically NGVD29/NAVD88 per station)
Lakes near Lake San Antonio
- NACIMIENTO ReservoirCalifornia · 3 mi 742.6 ft −0.8 wkNormal for this time of year
- Lopez LakeCalifornia · 48 mi 510.4 ft −0.2 wkNormal for this time of year
- Twitchell LakeCalifornia · 64 mi 526.0 ft ±0.0 wkLower than usual for this time of year
- San Luis ReservoirCalifornia · 86 mi 481.0 ft ±0.0 wkNormal for this time of year
- Los Banos ReservoirCalifornia · 87 mi 296.0 ft ±0.0 wkLower than usual for this time of year
- ALISAL ReservoirCalifornia · 96 mi 597.8 ft −0.1 wkNormal for this time of year
Questions
Is Lake San Antonio low right now?
Lake San Antonio was at 737.97 ft on October 9, 2026. That is 17.55 ft below the typical level for October 9 — lower than in 9 of 10 past years. Over the past week the lake has been falling about 0.06 ft a day.
How often is the Lake San Antonio level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
California Data Exchange Center (DWR) (station ATN). Readings are provisional and can be revised.