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Lake Superior: water temperature now

Lake Superior, current water temperature: 14.1 °C, measured 2 h ago (NOAA CO-OPS). 13 stations, 8.5 to 14.1 °C.

14.1 °C
S.W. Pier, St. Marys River · 2 h ago
NOAA CO-OPS13 stations · 8.5–14.1 °C
Context

What the number means

Lake Superior: lake in the United States and Canada. 13 stations report water temperatures here, from Ontonagon, MI at 8.5 °C to S.W. Pier, St. Marys River at 14.1 °C.

The value comes from a thermometer in the water and is updated continuously; the measurement time is shown with every value. Compared with yesterday: minus 0.1 degrees.

Below 15 degrees the body answers with the cold-shock reflex: an involuntary gasp, racing pulse. Enter slowly, breathe out calmly, never swim alone. The app gives a per-sport verdict and warns when your favourite water drops below your own threshold.

Good to know
How warm is the water in Lake Superior today?

14.1 °C at station S.W. Pier, St. Marys River, measured 2 h ago. The 13 stations range from 8.5 to 14.1 °C.

Where is it measured?

At 13 spots: S.W. Pier, St. Marys River, Duluth, Little Rapids, Whitefish Bay, Wisconsin Point and more. The BrrChecker app shows location and trend for every spot.

How current are the values?

The station reports continuously, we read it every three hours and show the measurement time with every value.

Look first, then jump.

All stations with trend, BrrScore and alerts, free in the app.

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