Grand Lake Water Level
Grand Lake o' the Cherokees, OK
Water level now
Near normal741.97ft
−0.03 ft vs normal pool (742.00) · −0.42 ft vs typical for Oct 18
Reading taken Oct 18, 2026, 7:00 AM CDT
Source: U.S. Army Corps of Engineers, Tulsa District (provisional data)
Level in feet (project datum)
Daily levelNormal poolTypical for the date (2016 to last year)
Provisional data from USACE, as reported at Oct 18, 2026, 7:00 AM CDT. Readings can be delayed or wrong. Not for navigation, flood or safety decisions; follow local authorities and posted signs.
About Grand Lake
Grand Lake is within a quarter foot of normal pool, as of Oct 18, 2026, 7:00 AM CDT. The level on this page is reported by the U.S. Army Corps of Engineers, Tulsa District near Miami, and compared with normal pool (the top of the conservation pool, 742.00 ft (project datum)) and with the typical level for this date.
Since January 2016 the daily level has ranged from 740.93 ft (Oct 9, 2018) to 754.97 ft (May 26, 2019). The highest pool on record listed by the Corps of Engineers is 755.27 ft.
Over those years the lake has usually been highest in May and lowest in November; in the past 365 days it was at or above normal pool on 95% of days.
Grand Lake by the numbers
| Normal pool (top of conservation) | 742.00 |
|---|---|
| Top of flood pool | 755.00 |
| Pool of record (USACE) | 755.27 |
| Highest since 2016 | 754.97 (May 26, 2019) |
| Lowest since 2016 | 740.93 (Oct 9, 2018) |
| Typical for Oct 18 | 742.39 |
| Oct 18, 2025 | 742.00 |
| Conservation storage now | 1,306,071 acre-ft |
Typical level by month
| Month | Median | vs normal | Low | High |
|---|---|---|---|---|
| January | 742.35 | +0.35 ft | 741.86 | 753.32 |
| February | 742.13 | +0.13 ft | 741.08 | 748.22 |
| March | 742.19 | +0.19 ft | 741.87 | 748.30 |
| April | 742.55 | +0.55 ft | 741.87 | 751.67 |
| May | 745.02 | +3.02 ft | 742.08 | 754.97 |
| June | 744.55 | +2.55 ft | 743.91 | 754.97 |
| July | 744.19 | +2.19 ft | 743.88 | 752.83 |
| August | 743.29 | +1.29 ft | 742.86 | 747.40 |
| September | 742.97 | +0.97 ft | 741.92 | 746.11 |
| October | 742.20 | +0.20 ft | 740.93 | 746.79 |
| November | 742.12 | +0.12 ft | 741.79 | 746.53 |
| December | 742.13 | +0.13 ft | 741.87 | 753.98 |
Highs and lows by year
| Year | High | Date | Low | Date |
|---|---|---|---|---|
| 2026 (so far) | 750.13 | Jun 30 | 741.52 | Jan 28 |
| 2025 | 752.86 | Jun 21 | 741.53 | Feb 21 |
| 2024 | 748.51 | May 9 | 741.57 | Oct 29 |
| 2023 | 746.59 | Mar 26 | 742.07 | Feb 20 |
| 2022 | 753.09 | May 9 | 741.84 | Oct 23 |
| 2021 | 747.45 | Jul 2 | 741.08 | Feb 19 |
| 2020 | 748.80 | May 29 | 741.86 | Jan 10 |
| 2019 | 754.97 | May 26 | 741.87 | Mar 4 |
| 2018 | 748.22 | Feb 26 | 740.93 | Oct 9 |
| 2017 | 754.69 | May 22 | 741.90 | Nov 10 |
| 2016 | 753.32 | Jan 1 | 741.86 | Oct 3 |
Weather at the dam, next 3 days
- Today: Sunny, wind 5 to 10 mph S70°F
- Tonight: Mostly Clear, wind 0 mph 47°F
- Monday: Sunny, wind 0 to 5 mph S72°F
- Monday Night: Mostly Clear, wind 0 mph 50°F
- Tuesday: Mostly Sunny, wind 0 to 5 mph S74°F
- Tuesday Night: Mostly Clear, wind 0 mph 52°F
Forecast: National Weather Service, issued Oct 18, 2026, 7:50 AM CDT. Conditions on the water can change quickly.
Questions about Grand Lake
- What is the normal pool level of Grand Lake?
- 742.00 ft (project datum). This is the top of the conservation pool as listed by the Corps of Engineers; water above it, up to the top of the flood pool at 755.00 ft, is flood storage that the Corps releases over time.
- Is Grand Lake full right now?
- As of Oct 18, 2026, 7:00 AM CDT, the lake was within a quarter foot of normal pool.
- What is the lowest level Grand Lake has reached recently?
- In our daily record since January 2016, the lowest was 740.93 ft on Oct 9, 2018, 1.07 ft below normal pool.
- How often is this page updated?
- We check the Corps of Engineers every hour and show each reading with its own time. If no new reading arrives for 6 hours, the page says so instead of showing an old value as current. See how we calculate.