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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

19.7°C

TODAY

20.7°C

YESTERDAY

20.6°C

A WEEK AGO

As of today, the minimum water temperature in the Lake Michigan ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

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 July is from 13°C to 23°C. 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

DateCurrentAverageForecast
Jul 520.6°C18.0°C
Jul 620.7°C18.0°C
Jul 720.9°C18.0°C
Jul 821.0°C18.0°C
Jul 920.9°C18.0°C
Jul 1020.8°C18.0°C
Jul 1120.7°C18.0°C
Jul 1219.7°C18.0°C
Jul 1318.0°C19.5°C
Jul 1418.0°C19.4°C
Jul 1518.0°C19.3°C
Jul 1618.0°C19.2°C
Jul 1718.0°C19.1°C
Jul 1818.0°C19.0°C
Jul 1918.0°C18.9°C
Jul 2018.0°C18.8°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Lake Michigan by Month

January

MinimumAverageMaximum
1°C3.5°C6°C

February

MinimumAverageMaximum
-2°C1.5°C5°C

March

MinimumAverageMaximum
-2°C2°C6°C

April

MinimumAverageMaximum
1°C5°C9°C

May

MinimumAverageMaximum
2°C8.5°C15°C

June

MinimumAverageMaximum
9°C13°C17°C

July

MinimumAverageMaximum
13°C18°C23°C

August

MinimumAverageMaximum
19°C22°C25°C

September

MinimumAverageMaximum
14°C19°C24°C

October

MinimumAverageMaximum
7°C13.5°C20°C

November

MinimumAverageMaximum
4°C9.5°C15°C

December

MinimumAverageMaximum
0°C4°C8°C

Monthly Water Temperature Histogram for Lake Michigan

Water Temperature in Cities and Towns on Lake Michigan

United States (Wisconsin)
21.4°C
United States (Wisconsin)
24.6°C
Kewaunee
United States (Wisconsin)
20.5°C
Manitowoc
United States (Wisconsin)
22.7°C
United States (Wisconsin)
24.5°C
United States (Wisconsin)
23.1°C
Whitefish Bay
United States (Wisconsin)
24.2°C
Wind Point
United States (Wisconsin)
23.9°C
South Shore Beach
United States (Illinois)
25.4°C
United States (Illinois)
24.4°C
Burns Harbor
United States (Indiana)
26.0°C
United States (Indiana)
25.6°C
United States (Indiana)
24.6°C
Whiting
United States (Indiana)
25.5°C
Lake Bluff
United States (Illinois)
24.7°C
Oakwood Beach
United States (Illinois)
25.4°C
United States (Illinois)
25.0°C
Jackson Park
United States (Illinois)
25.4°C
United States (Illinois)
25.2°C
Bridgman
United States (Michigan)
23.9°C
Escanaba
United States (Michigan)
20.1°C
Gladstone
United States (Michigan)
20.1°C
Grosse Ile
United States (Michigan)
24.7°C
Frankfort
United States (Michigan)
19.8°C
Greilickville
United States (Michigan)
19.9°C
Harbor Springs
United States (Michigan)
20.2°C
Menominee
United States (Michigan)
22.0°C
Ludington
United States (Michigan)
20.4°C
Manistee
United States (Michigan)
18.9°C
Leland
United States (Michigan)
20.1°C
Manistique
United States (Michigan)
20.2°C
United States (Michigan)
22.8°C
New Buffalo
United States (Michigan)
23.8°C
Saugatuck
United States (Michigan)
24.2°C
South Haven
United States (Michigan)
24.6°C
South Haven
United States (Indiana)
26.1°C
St Joseph
United States (Michigan)
24.1°C
Traverse City
United States (Michigan)
20.0°C

Lake Michigan Weather

JULY 12

18°C / 20°C
moderate rain showers

rain: 48% | wind: 26 km/h

JULY 13

17°C / 21°C
light drizzle

rain: 48% | wind: 25 km/h

JULY 14

17°C / 21°C
overcast

rain: 3% | wind: 18 km/h

JULY 15

19°C / 21°C
overcast

rain: 9% | wind: 24 km/h

JULY 16

14°C / 21°C
slight rain showers

rain: 33% | wind: 44 km/h

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 66°F (18.9°C) to 79°F (26.1°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.