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Satellite view of Crystal Lake

Crystal Lake

Lake · Pontiac, Michigan

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range.

  • Water temperature is 73°F, within the comfortable 70–86°F range.
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.

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Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range.

  • Water temperature is 73°F, within the comfortable 70–86°F range. NOAA buoy 45147, as of Aug 22, 6:00 AM UTC
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.
Water temp
73°F
23°C

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

Live data from NOAA buoy 45147 (34.4 mi away), as of Aug 22, 6:00 AM UTC.

Weather at Crystal Lake

H: 76° L: 62°
Light drizzle
Light drizzle
65°
|
Feels like 64°
Precipitation
83%
Humidity
82%
Wind
7 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers🌧️Rain expected
12 AM
Patchy rain nearby
68°
3 AM
Light drizzle
65°
6 AM
Light drizzle
63°
9 AM
Light drizzle
68°
12 PM
Light rain
67°
3 PM
Moderate rain
70°
6 PM
Patchy rain nearby
76°
9 PM
Patchy rain nearby
65°

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Frequently asked questions

Where is Crystal Lake?
Crystal Lake is a lake in Pontiac, Michigan.
What is the water temperature at Crystal Lake?
As of August 22, 2026, the water temperature at Crystal Lake in Pontiac, Michigan is 73°F (23°C), measured by NOAA buoy 45147, 34.4 miles away.
Can you swim at Crystal Lake?
Comfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range. Checked August 22, 2026.
How is Crystal Lake rated?
Crystal Lake in Pontiac, Michigan has an average visitor rating of 4.2 out of 5, based on 6 reviews.

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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

Pontiac, MI 48341

Pontiac, Michigan 48341

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