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The linked gauge for Tionesta Lake reported 1090.11 ft at its latest stored observation on Oct 9, 2026, on a falling 30-day trend (-12.96 ft).
Local gage height: 1090.11 ft
-12.96 ft net change over past 30 days
Verified freshwater recreation waterbody
Refreshing (60–70°F) · Cool swim · Moderate comfort
Nearby river temperature: 61.5°F at Tionesta Creek at Tionesta Creek Dam, PA (1.0 mi away) · Oct 9, 11:45 PM UTC
| Observation Date | Gage height (ft) | 24h Change | Approval Status |
|---|---|---|---|
| Thu, Oct 8, 2026 | 1090.27 | -0.11 ft | Provisional |
| Wed, Oct 7, 2026 | 1090.38 | -0.09 ft | Provisional |
| Tue, Oct 6, 2026 | 1090.47 | -0.04 ft | Provisional |
| Mon, Oct 5, 2026 | 1090.51 | +0.01 ft | Provisional |
| Sun, Oct 4, 2026 | 1090.50 | +0.07 ft | Provisional |
| Sat, Oct 3, 2026 | 1090.43 | +0.13 ft | Provisional |
| Fri, Oct 2, 2026 | 1090.30 | +0.17 ft | Provisional |
| Thu, Oct 1, 2026 | 1090.13 | +0.22 ft | Provisional |
| Wed, Sep 30, 2026 | 1089.91 | +0.30 ft | Provisional |
| Tue, Sep 29, 2026 | 1089.61 | +0.32 ft | Provisional |
| Mon, Sep 28, 2026 | 1089.29 | -0.04 ft | Provisional |
| Sun, Sep 27, 2026 | 1089.33 | -0.06 ft | Provisional |
| Sat, Sep 26, 2026 | 1089.39 | -0.08 ft | Provisional |
| Fri, Sep 25, 2026 | 1089.47 | — | Provisional |
Direct in-situ sensor data is required to compute numeric suitability.
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.