Lake Michigan water temperature

Lake Michigan, Sleeping Bear Dunes · Lake

The current water temperature at Lake Michigan is 21.0 °C (as of August 31, 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.

21.0 °C

Measured: August 31, 2026 · continuously updated

💧 Water 21.0° · ☀️ Air 21.4° · high today 22.7°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 1392 data points since July 3, 2026.

Lowest recorded value: 18.0 °C on July 3, 2026 · highest value: 23.4 °C on July 15, 2026.

Nearby waters

Manistee River near Sherman, Michigan · 59.6 km away18.2 °C Manistee River near Mesick, Michigan · 66.0 km away18.5 °C Manistee River near Wellston, Michigan · 77.4 km away19.9 °C Lake Michigan, Little Traverse Bay · 80.4 km away22.4 °C Pine River at High School Bridge near Hoxeyville, Michigan · 85.2 km away16.1 °C

More measuring points: Lake Michigan

South Green Bay, WI24.0 °C Ohio Street Beach23.8 °C Michigan City23.6 °C Chicago Buoy23.0 °C Southern Lake Michigan Spotter23.0 °C Michigan City Buoy, IN22.8 °C

Frequently asked questions

Can you swim at Lake Michigan right now?
The current water temperature is 21.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lake Michigan?
Currently 21.0 °C (updated continuously).

← All waters