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The linked gauge for Muskegon Lake reported 578.96 ft (relative to IGLD 1985) at its latest stored observation on Oct 9, 2026, on a falling 30-day trend (-0.44 ft).
Local gage height: 578.96 ft
-0.44 ft net change over past 30 days
Deepest basin sounding across ~4,151 acres
Brisk (50–60°F) · Cold shock risk · Wetsuit recommended
Holland, MI · Oct 9, 1:30 PM UTC
| Observation Date | Gage height (ft) | 24h Change | Approval Status |
|---|---|---|---|
| Fri, Oct 9, 2026 | 578.94 | -0.07 ft | Provisional |
| Thu, Oct 8, 2026 | 579.01 | -0.02 ft | Provisional |
| Wed, Oct 7, 2026 | 579.03 | +0.06 ft | Provisional |
| Tue, Oct 6, 2026 | 578.98 | -0.07 ft | Provisional |
| Mon, Oct 5, 2026 | 579.04 | -0.12 ft | Provisional |
| Sun, Oct 4, 2026 | 579.16 | +0.06 ft | Provisional |
| Sat, Oct 3, 2026 | 579.10 | -0.14 ft | Provisional |
| Fri, Oct 2, 2026 | 579.24 | +0.07 ft | Provisional |
| Thu, Oct 1, 2026 | 579.17 | +0.04 ft | Provisional |
| Wed, Sep 30, 2026 | 579.13 | -0.05 ft | Provisional |
| Tue, Sep 29, 2026 | 579.18 | -0.05 ft | Provisional |
| Mon, Sep 28, 2026 | 579.23 | -0.04 ft | Provisional |
| Sun, Sep 27, 2026 | 579.27 | +0.01 ft | Provisional |
| Sat, Sep 26, 2026 | 579.27 | — | Provisional |
Current index calculated from verified local atmospheric, hydrographic & alert inputs.
Poor for swimming (51/100), from 5 available inputs. Supporting this: No active official alerts for this lake. 2% chance of precipitation. Working against it: Measured water temperature 59°F from a representative gauge 32.3 mi away. Provisional data. Cold water hazard: thermal protection recommended below 60°F. Water temperature is 59°F (below 60°F). Immersion requires thermal protection. Confidence is moderate (75%) because some inputs are unavailable or older than ideal.