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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 62°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 62°F, cool enough to cause cold-water shock on a sudden entry.
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.

lake in Alger County, Michigan, USA

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Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 62°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 62°F, cool enough to cause cold-water shock on a sudden entry. NOAA buoy 45211, as of Aug 22, 12:56 AM UTC
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.
Water temp
62°F
16°C

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

Live data from NOAA buoy 45211 (37.1 mi away), as of Aug 22, 12:56 AM UTC.

Weather at Grass Lake

H: 75° L: 62°
Moderate rain at times
Moderate rain at times
64°
|
Feels like 66°
Precipitation
81%
Humidity
93%
Wind
5 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers🌧️Rain expected
12 AM
Overcast
62°
3 AM
Light drizzle
63°
6 AM
Light drizzle
62°
9 AM
Sunny
66°
12 PM
Partly Cloudy
72°
3 PM
Sunny
75°
6 PM
Cloudy
72°
9 PM
Moderate rain
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 62°F (16°C), measured by NOAA buoy 45211, 37.1 miles away.
Can you swim at Grass Lake?
Cool water — ease in carefully: water temperature is 62°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
Not ideal for outdoor activities today
🏞️ 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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