Sleeping Bear Dunes Beach Water Temperature
Lake Michigan surface temperature at Sleeping Bear Dunes Beach, Michigan · times in EDT
Updated 4:00 AM EDT
How it compares today
Water temperature through the year
Monthly normals computed from 2023–2025 daily GLSEA satellite surface temperature history.
Nearby water right now
7-day outlook
| Day | Air high / low | Max UV | Rain |
|---|---|---|---|
| Tue, Oct 13 | 64° / 52° | 2 | 85% |
| Wed, Oct 14 | 52° / 50° | 2 | 14% |
| Thu, Oct 15 | 58° / 44° | 3 | 67% |
| Fri, Oct 16 | 51° / 42° | 1 | 70% |
| Sat, Oct 17 | 46° / 39° | 4 | 10% |
| Sun, Oct 18 | 56° / 47° | 3 | 2% |
| Mon, Oct 19 | 59° / 54° | 3 | 8% |
Water temperature from the NOAA GLERL Great Lakes Surface Environmental Analysis (satellite, updated daily); waves from the Open-Meteo marine model; weather from Open-Meteo.
Is Sleeping Bear Dunes Beach warm enough to swim?
At 60°F, the water at Sleeping Bear Dunes Beach is chilly — wetsuit recommended. Most swimmers are comfortable without a wetsuit above 72°F; below 62°F, cold-water shock becomes a real risk for unprotected swimmers.
That is 1° above the October average of 59°F here.
The water here never averages above 70°F — even in August, the warmest month, it sits around 69°F. Most people wear a wetsuit.
Frequently asked questions
How warm is the water at Sleeping Bear Dunes Beach right now?
The Lake Michigan surface temperature is about 60°F, from NOAA’s daily satellite analysis. That is 1° above the October average of 59°F here.
When is the water warm enough to swim at Sleeping Bear Dunes Beach?
The water here never averages above 70°F — even in August, the warmest month, it sits around 69°F. Most people wear a wetsuit.
What is the warmest the water gets at Sleeping Bear Dunes Beach?
Around 69°F in August, based on 2023–2025 records. The coolest month is February at roughly 36°F.