Updated
Current water conditions
Live data from NOAA buoy AGCM4 (40.3 mi away), as of Aug 20, 9:30 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.
Weather at Upper Long Lake
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Frequently asked questions
- Where is Upper Long Lake?
- Upper Long Lake is a lake in Michigan.
- What is the water temperature at Upper Long Lake?
- As of August 20, 2026, the water temperature at Upper Long Lake in Michigan is 74°F (24°C), measured by NOAA buoy AGCM4, 40.3 miles away.
- Can you swim at Upper Long Lake?
- There is no fixed answer for Upper Long Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Upper Long Lake in Michigan. Check current water conditions before you go, and follow posted signs and local guidance.
- How is Upper Long Lake rated?
- Upper Long Lake in Michigan has an average visitor rating of 5 out of 5, based on 9 reviews.
Visitor Reviews
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Been here? A quick note helps the next visitor plan their day. Handy things to mention:
Best Times to Visit
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
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