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Lake Michigan
Lake Michigan Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Lake Michigan, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Lake Water Temperature Information
49°F
TODAY
51°F
YESTERDAY
52°F
A WEEK AGO
As of today, the minimum water temperature in the Lake Michigan ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Analysis, Historical Data, and Forecast of Water Temperature
Water Temperature Chart for Lake Michigan Over the Last 30 Days
Today the water temperature in Lake Michigan is higher than the same day in previous years. The water temperature range here in May is from 36°F to 52°F. The water temperature has decreased over the past 7 days but has increased over the past month.
The forecasted water temperature values for Lake Michigan are presented in the table below.
The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.
Daily Water Temperature Chart
| Date | Current | Average | Forecast |
|---|---|---|---|
| May 9 | 52°F | 44°F | |
| May 10 | 52°F | 44°F | |
| May 11 | 51°F | 44°F | |
| May 12 | 51°F | 44°F | |
| May 13 | 52°F | 44°F | |
| May 14 | 52°F | 44°F | |
| May 15 | 51°F | 44°F | |
| May 16 | 49°F | 44°F | |
| May 17 | 44°F | 48°F | |
| May 18 | 44°F | 48°F | |
| May 19 | 44°F | 47°F | |
| May 20 | 44°F | 47°F | |
| May 21 | 44°F | 47°F | |
| May 22 | 44°F | 46°F | |
| May 23 | 44°F | 46°F | |
| May 24 | 44°F | 46°F |
Water Temperature Ranges in Lake Michigan by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 38°F | 43°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 28°F | 35°F | 41°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 28°F | 36°F | 43°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 41°F | 48°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 44°F | 52°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 48°F | 55°F | 63°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 55°F | 64°F | 73°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 72°F | 77°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 66°F | 75°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 45°F | 56°F | 68°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 49°F | 59°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 39°F | 46°F |
Monthly Water Temperature Histogram for Lake Michigan
Water Temperature in Cities and Towns on Lake Michigan
Lake Michigan Weather
MAY 16
45°F / 50°F
light drizzlerain: 70% | wind: 21 mph
MAY 17
41°F / 52°F
moderate rain showersrain: 32% | wind: 30 mph
MAY 18
39°F / 45°F
overcastrain: 8% | wind: 21 mph
MAY 19
39°F / 43°F
overcastrain: 6% | wind: 22 mph
Water Temperature in Lake Michigan: General Trends and Swimming Opportunities
Max. length 307 mi (494 km)
Max. width 118 mi (190 km)
Min. width 91 mi (146 km)
Surface area 22,404 sq mi (58,030 km2)
Average depth 279 ft (85 m)
Max. depth 923 ft (281 m)
Lake Michigan, one of North America’s Great Lakes, is a vast freshwater expanse offering countless opportunities for swimming, water sports, and relaxation along its shores. Spanning multiple states, including Michigan, Wisconsin, Indiana, and Illinois, the lake is famous for its sandy beaches and vibrant coastal towns, drawing millions of visitors each year during the warmer months.
Water temperatures in Lake Michigan vary significantly depending on the season and location. In summer, surface temperatures along popular beaches like those near Chicago or Traverse City can reach a comfortable 68°F to 75°F (20°C to 24°C) by July and August, making it ideal for swimming. However, the lake’s immense size and depth mean that temperatures can drop quickly as you move further offshore or venture into deeper waters. The spring and fall months are cooler, with water temperatures ranging from the 50s to low 60s°F (10°C to 16°C), while winter sees much of the lake’s surface frozen or near freezing.
Swimming in Lake Michigan is both enjoyable and accessible, with many public beaches offering amenities like lifeguards, picnic areas, and changing facilities. Popular spots include Indiana Dunes National Park and Sleeping Bear Dunes, known for their natural beauty and safe swimming zones. While the water is generally calm during summer, swimmers should always pay attention to local safety warnings about rip currents, which can occasionally occur. Whether you’re wading in the shallows or diving into the deeper blue, Lake Michigan provides a quintessential Great Lakes experience.
Geographical Location of Lake Michigan
Frequently Asked Questions About Lake Michigan and its Water Temperatures
What is the current water temperature in Lake Michigan?
The water temperature today in Lake Michigan ranges from 52°F (11.2°C) to 65°F (18.2°C).
What is the water temperature in Lake Michigan during the summer months?
The average water temperature in Lake Michigan during the summer months is typically between 55°F to 72°F (13°C to 22°C), and it can reach up to 77°F (25°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Lake Michigan in May?
The average water temperature in Lake Michigan in May ranges from 36°F to 52°F (2°C to 11°C).
What is the water temperature in Lake Michigan in September?
The average water temperature in Lake Michigan in September is typically between 57°F to 75°F (14°C to 24°C).
Where is Lake Michigan located?
Lake Michigan is located in the United States, bordered by the states of Wisconsin, Illinois, Indiana, and Michigan.
Is it possible to swim in Lake Michigan and what are the possibilities for this?
Yes, it is possible to swim in Lake Michigan, with numerous beaches along its shoreline offering swimming opportunities, especially during the summer months.
What are the coordinates of Lake Michigan?
Lake Michigan is located at coordinates 43.6220°N 86.9940°W.
What species of fish can be found in Lake Michigan?
Lake Michigan is home to species such as lake trout, yellow perch, walleye, smallmouth bass, and rainbow trout.