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Satellite view of Grass Lake

Grass Lake

Lake

Cool water — ease in carefully

Use caution

Cool 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 Alpena County, Michigan, United States of America

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Cool water — ease in carefully

Use caution

Cool 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, 1:30 AM UTC
Water temp
64°F
18°C

No official beach-advisory feed for Michigan yet — follow posted signs and local guidance.

Live data from NOAA buoy LPNM4 (6.3 mi away), as of Aug 22, 1:30 AM UTC.

Weather at Grass Lake

H: 68° L: 62°
Light drizzle
Light drizzle
64°
|
Feels like 63°
Precipitation
67%
Humidity
83%
Wind
7 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers🌧️Rain expected
12 AM
Clear
63°
3 AM
Clear
62°
6 AM
Overcast
63°
9 AM
Cloudy
64°
12 PM
Overcast
66°
3 PM
Overcast
67°
6 PM
Overcast
67°
9 PM
Overcast
65°

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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, 6.3 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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Best Times to Visit

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Right Now
Cool weather - dress warmly
🏞️ Lakes Tips:
  • 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
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Michigan

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