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Photo: Pentwater, MI 49449, USA - panoramio (1) by papadakp (CC BY-SA 3.0) License

Pentwater Lake

Lake · Pentwater Township, Michigan

Use caution — an official advisory is in effect

Use caution

Use caution — an official advisory is in effect: water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry.
  • A Beach Hazards Statement is in effect for Mason; Oceana; Muskegon; Ottawa; Allegan; Van Buren.
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Use caution — an official advisory is in effect

Use caution

Use caution — an official advisory is in effect: water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry. NOAA buoy 45024, as of Aug 22, 10:30 AM UTC
  • A Beach Hazards Statement is in effect for Mason; Oceana; Muskegon; Ottawa; Allegan; Van Buren. NWS Grand Rapids MI
Water temp
70°F
21°C

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

Live data from NOAA buoy 45024 (16.1 mi away), as of Aug 22, 10:30 AM UTC.

Weather at Pentwater Lake

H: 77° L: 62°
Overcast
Overcast
66°
|
Feels like 69°
Precipitation
15%
Humidity
94%
Wind
5 mph
UV Index
0.2
Water Conditions:
🏊Cool but swimmable
12 AM
Overcast
67°
3 AM
Partly Cloudy
67°
6 AM
Overcast
65°
9 AM
Overcast
68°
12 PM
Sunny
73°
3 PM
Sunny
76°
6 PM
Thundery outbreaks in nearby
74°
9 PM
Clear
65°

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Frequently asked questions

Where is Pentwater Lake?
Pentwater Lake is a lake in Pentwater Township, Michigan.
What is the water temperature at Pentwater Lake?
As of August 22, 2026, the water temperature at Pentwater Lake in Pentwater Township, Michigan is 70°F (21°C), measured by NOAA buoy 45024, 16.1 miles away.
Can you swim at Pentwater Lake?
Use caution — an official advisory is in effect: water temperature is 70°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.
How is Pentwater Lake rated?
Pentwater Lake in Pentwater Township, Michigan has an average visitor rating of 4.8 out of 5, based on 54 reviews.
What amenities does Pentwater Lake have?
Visitor-listed amenities at Pentwater Lake include camping-nearby.

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Best Times to Visit

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Good conditions for visiting
🏞️ 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

Pentwater Township, MI 49449

Pentwater Township, Michigan 49449

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Amenities

Camping nearby