Coldwater Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Coldwater Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Coldwater Lake today is 20.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 |
|---|---|---|---|
| SEP 14 | 22.2°C | 23.5°C | |
| SEP 15 | 22.5°C | 23.5°C | |
| SEP 16 | 21.3°C | 23.5°C | |
| SEP 17 | 20.6°C | 23.5°C | |
| SEP 18 | 21.0°C | 23.5°C | |
| SEP 19 | 20.6°C | 23.5°C | |
| SEP 20 | 20.3°C | 23.5°C | |
| SEP 22 | 23.5°C | 20.5°C | |
| SEP 23 | 23.5°C | 20.6°C | |
| SEP 24 | 23.5°C | 20.8°C | |
| SEP 25 | 23.5°C | 20.9°C | |
| SEP 26 | 23.5°C | 21.1°C | |
| SEP 27 | 23.5°C | 21.3°C | |
| SEP 28 | 23.5°C | 21.4°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 | 4°C | 8°C |
| February | 1°C | 5°C | 8°C |
| March | 3°C | 7°C | 10°C |
| April | 6°C | 11°C | 16°C |
| May | 11°C | 14°C | 18°C |
| June | 16°C | 20°C | 25°C |
| July | 21°C | 25°C | 28°C |
| August | 23°C | 26°C | 28°C |
| September | 19°C | 24°C | 28°C |
| October | 14°C | 18°C | 21°C |
| November | 5°C | 10°C | 15°C |
| December | 2°C | 6°C | 9°C |
Coldwater Lake: Water Temperature by Location
Coldwater Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Coldwater Lake in southern Michigan follows the typical seasonal pattern for midwestern inland lakes. In winter the lake surface commonly reaches around freezing, roughly 32–38°F (0–3°C), and can develop stable ice cover in colder months. During spring thaw the surface warms from about 40–60°F (4–15°C) as the lake mixes, while summer brings the warmest conditions with surface temperatures often in the 68–78°F range (20–26°C) on hot afternoons; deeper water remains colder and a thermocline can form on calm, warm days. Early fall sees a steady cooling back toward 50–65°F (10–18°C) as the lake begins to turnover.
Swimming is generally permitted and commonly enjoyed in summer when surface temperatures are comfortable for recreational bathing, particularly at public access points or private beaches. However, conditions vary: there are usually no lifeguards, water clarity and quality can change with runoff or algal growth, and boating traffic and submerged vegetation can pose hazards. Cold spring or autumn water carries a risk of cold-water shock, and winter ice should not be assumed safe for swimming or walking without proper checks. For safe enjoyment, swimmers should choose established access areas, be mindful of weather, and heed any local advisories.