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The linked gauge for Lake Ontario - New York Eastern Shoreline reported 245.80 ft (relative to IGLD 1985) at its latest stored observation on Oct 9, 2026, on a falling 30-day trend (-0.88 ft).
Local gage height: 245.80 ft
-0.88 ft net change over past 30 days
Deepest basin sounding across ~4,672,000 acres
Refreshing (60–70°F) · Cool swim · Moderate comfort
NOAA GLERL GLSEA surface temperature at 43.486, -76.512 · Oct 8, 12:00 PM UTC
| Observation Date | Gage height (ft) | 24h Change | Approval Status |
|---|---|---|---|
| Fri, Oct 9, 2026 | 245.73 | 0.00 ft | Provisional |
| Thu, Oct 8, 2026 | 245.73 | +0.09 ft | Provisional |
| Wed, Oct 7, 2026 | 245.64 | -0.13 ft | Provisional |
| Tue, Oct 6, 2026 | 245.78 | -0.09 ft | Provisional |
| Mon, Oct 5, 2026 | 245.87 | +0.12 ft | Provisional |
| Sun, Oct 4, 2026 | 245.75 | -0.13 ft | Provisional |
| Sat, Oct 3, 2026 | 245.87 | 0.00 ft | Provisional |
| Fri, Oct 2, 2026 | 245.87 | +0.09 ft | Provisional |
| Thu, Oct 1, 2026 | 245.78 | -0.02 ft | Provisional |
| Wed, Sep 30, 2026 | 245.80 | -0.04 ft | Provisional |
| Tue, Sep 29, 2026 | 245.84 | -0.01 ft | Provisional |
| Mon, Sep 28, 2026 | 245.85 | -0.01 ft | Provisional |
| Sun, Sep 27, 2026 | 245.86 | -0.04 ft | Provisional |
| Sat, Sep 26, 2026 | 245.90 | — | Provisional |
Current index calculated from verified local atmospheric, hydrographic & alert inputs.
Fair for swimming (63/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Working against it: Measured water temperature 62°F from a representative gauge 1.5 mi away. Provisional data. Air temperature 54°F. Confidence is high (86%).