Updated
Grass Lake
Lake
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry.
lake in Montmorency County, Michigan, USA
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Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy LPNM4, as of Aug 22, 1:00 AM UTC
No official beach-advisory feed for Michigan yet — follow posted signs and local guidance.
Live data from NOAA buoy LPNM4 (29.5 mi away), as of Aug 22, 1:00 AM UTC.
Weather at Grass Lake
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Frequently asked questions
- Where is Grass Lake?
- Grass Lake is a lake in Michigan.
- What is the water temperature at Grass Lake?
- As of August 22, 2026, the water temperature at Grass Lake in Michigan is 64°F (18°C), measured by NOAA buoy LPNM4, 29.5 miles away.
- Can you swim at Grass Lake?
- Cool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.
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Location & Contact
Michigan
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