Lake Manitou — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Manitou, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Manitou today is 23.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| AUG 4 | 20.9°C | 23.5°C | |
| AUG 5 | 21.0°C | 23.5°C | |
| AUG 6 | 21.1°C | 23.5°C | |
| AUG 7 | 19.5°C | 23.5°C | |
| AUG 8 | 19.3°C | 23.5°C | |
| AUG 9 | 20.2°C | 23.5°C | |
| AUG 10 | 20.6°C | 23.5°C | |
| AUG 11 | 23.2°C | 23.5°C | |
| AUG 12 | 23.5°C | 23.2°C | |
| AUG 13 | 23.5°C | 23.2°C | |
| AUG 14 | 23.5°C | 23.2°C | |
| AUG 15 | 23.5°C | 23.3°C | |
| AUG 16 | 23.5°C | 23.3°C | |
| AUG 17 | 23.5°C | 23.3°C | |
| AUG 18 | 23.5°C | 23.3°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 1°C | 4°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 0°C | 5°C | 10°C |
| May | 2°C | 10°C | 17°C |
| June | 10°C | 17°C | 24°C |
| July | 15°C | 21°C | 27°C |
| August | 19°C | 24°C | 28°C |
| September | 16°C | 22°C | 27°C |
| October | 12°C | 16°C | 19°C |
| November | 2°C | 8°C | 12°C |
| December | 0°C | 3°C | 5°C |
Lake Manitou: Water Temperature by Location
Lake Manitou: Weather Forecast
August 12
August 13
August 14
August 15
Location & Local Information
Lake Manitou in Michigan experiences the same seasonal shifts typical of inland Midwestern lakes. After ice-out in spring, surface temperatures commonly climb from roughly 40–60°F (4–16°C) as the water stratifies. Peak summer surface temperatures in shallower, sun-exposed areas often range from about 68–80°F (20–27°C), with the warmest readings late July into August. As autumn arrives the surface cools to roughly 50–65°F (10–18°C) before mixing brings temperatures back down toward freezing. In winter the lake is usually ice-covered and surface temperatures sit near 32°F (0°C) or slightly below in the water column beneath the ice.
Swimming is typically allowed during the ice-free months and is popular when surface temperatures are in the comfortable summer range, though exact access depends on local beaches, parks, and posted rules. Safety and water-quality considerations play a role: cold spring or late-fall water can cause cold-water shock, and periodic advisories for bacteria or blue-green algae may temporarily close swim areas. Lifeguard presence varies by site, so visitors should heed signs, check local health advisories, and avoid entering ice-covered water in winter. Shallow bays warm faster and are most inviting for casual swimmers when conditions permit.