Lake Huron water temperature

Lake Huron, Thunder Bay Buoy, Alpena, MI · Lake

The current water temperature at Lake Huron is 18.9 °C (as of August 30, 2026, source: NOAA NDBC).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

18.9 °C

Measured: August 30, 2026 · continuously updated

💧 Water 18.9° · ☀️ Air 22.4° · high today 26.5°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 259 data points since July 18, 2026.

Lowest recorded value: 17.4 °C on August 24, 2026 · highest value: 22.6 °C on August 16, 2026.

Nearby waters

Lake Huron, Alpena · 15.4 km away17.4 °C Au Sable River near Mc Kinley, Michigan · 48.0 km away18.6 °C Au Sable River near Curtisville, Michigan · 50.6 km away18.2 °C Au Sable River near Sidtown, Michigan · 51.7 km away21.7 °C Au Sable River near Au Sable, Michigan · 54.3 km away22.4 °C

More measuring points: Lake Huron

Lakeport Buoy, MI21.8 °C Harbor Beach21.1 °C Southern Lake Huron21.1 °C North Channel East20.0 °C South Georgian Bay19.6 °C Rock Cut19.4 °C

Frequently asked questions

Can you swim at Lake Huron right now?
The current water temperature is 18.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lake Huron?
Currently 18.9 °C (updated continuously).

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