Loading page content…
Loading page content…
Loading lake conditions…
The linked gauge for Lake Superior — MI Shore reported 601.92 ft at its latest stored observation on Sep 29, 2026, on a rising 30-day trend (+1298.99 ft).
Local gage height: 601.92 ft
+1298.99 ft net change over past 30 days
Verified freshwater recreation waterbody
Brisk (50–60°F) · Cold shock risk · Wetsuit recommended
NOAA GLERL GLSEA surface temperature at 46.794, -87.346 · Oct 7, 12:00 PM UTC
| Observation Date | Gage height (ft) | 24h Change | Approval Status |
|---|---|---|---|
| Fri, Oct 9, 2026 | 1334.90 | 0.00 ft | Provisional |
| Fri, Oct 9, 2026 | 1334.90 | +1300.16 ft | Provisional |
| Fri, Oct 9, 2026 | 34.74 | -1300.16 ft | Provisional |
| Thu, Oct 8, 2026 | 1334.90 | +1300.16 ft | Provisional |
| Thu, Oct 8, 2026 | 34.74 | -1300.20 ft | Provisional |
| Wed, Oct 7, 2026 | 1334.94 | +1300.16 ft | Provisional |
| Wed, Oct 7, 2026 | 34.78 | -1300.20 ft | Provisional |
Current index calculated from verified local atmospheric, hydrographic & alert inputs.
Poor for swimming (44/100), from 5 available inputs. Supporting this: No active official alerts for this lake. 0% chance of precipitation. Working against it: Measured water temperature 57°F. Provisional data. Cold water hazard: thermal protection recommended below 60°F. Air temperature 46°F. Water temperature is 57°F (below 60°F). Immersion requires thermal protection. Confidence is moderate (77%) because some inputs are unavailable or older than ideal.
| Tue, Oct 6, 2026 |
| 1334.98 |
| +1300.16 ft |
| Provisional |
| Tue, Oct 6, 2026 | 34.82 | -1300.21 ft | Provisional |
| Mon, Oct 5, 2026 | 1335.03 | +1300.16 ft | Provisional |
| Mon, Oct 5, 2026 | 34.87 | -1300.21 ft | Provisional |
| Sun, Oct 4, 2026 | 1335.08 | +1300.16 ft | Provisional |
| Sun, Oct 4, 2026 | 34.92 | -1300.17 ft | Provisional |
| Sat, Oct 3, 2026 | 1335.09 | — | Provisional |